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Over the years, several architecture of smart home has been proposed to enable the use of ambient intelligence. However, the major issue with most of them lies in their lack of high reliability and scalability. Therefore, the first contribution of this paper introduces a novel distributed architecture for smart homes, inspired by private cloud architectures, which is reliable and scalable. This implementation aims at simplifying and encouraging both the deployment of new software components as well as their reutilization to achieve the activity recognition process inside smart homes. The second contribution of this paper is the introduction of the LIARA Environment for Modular Machine Learning (LE2ML), a new machine learning workbench. Its design relies on a microservices architecture to provide a better scalability as well as smaller and faster deployments. Experiments demonstrate that our architecture is resilient to both a node failure and a total power outage. Moreover, the workbench obtained similar results, as regards the performance of the recognition, when compared to previously proposed methods.

This paper presents the PORTULAN CLARIN Research Infrastructure for the Science and Technology of Language, which is part of the European research infrastructure CLARIN ERIC as its Portuguese national node, and belongs to the Portuguese National Roadmap of Research Infrastructures of Strategic Relevance. The PORTULAN CLARIN includes a helpdesk, a repository, where resources, such as corpora, lexicons and processing tools are deposited for long-term archiving and can be searched and retrieved, and a workbench, where Language Technology tools and applications are made readily available online and can be used in different types of interfaces. Its goal is to contribute to the technological development of natural languages and for their preparation for the digital age, with a special focus on the Portuguese language in all its varieties and modalities.

With the increasing availability of high-performance computing (HPC) platforms, uncertainty quantification (UQ) and sensitivity analyses (SA) can be efficiently leveraged to optimize design parameters of complex engineering problems using modeling and simulation tools. The workflow involved in such studies heavily relies on HPC resources and hence requires pre-processing and post-processing capabilities of large amounts of data along with remote submission capabilities. The NEAMS Workbench addresses all aspects of the workflows involved in these studies by relying on a user-friendly graphical user interface and a python application program interface. This paper highlights the NEAMS Workbench capabilities by presenting a semiautomated coupling scheme between Dakota and any given package integrated with the NEAMS Workbench, yielding a simplified workflow for users. This new capability is demonstrated by running a SA of a turbulent flow in a pipe using the open-source Nek5000 CFD code. A total of 54 jobs were run on a HPC platform using the remote capabilities of the NEAMS Workbench. The results demonstrate that the semiautomated coupling scheme involving Dakota can be efficiently used for UQ and SA while keeping scripting tasks to a minimum for users. All input and output files used in this work are available in https://code.ornl.gov/neams-workbench/dakota-nek5000-study .

Nowadays, a laboratory operator in the areas of chemistry, biology or medicine spends considerable time performing micropipetting procedures, a common, monotonous and repetitive task which compromises the ergonomics of individuals, namely related to wrist musculoskeletal disorders. In this work, the design of a kinesthetic teaching approach for automating the micropipetting technique is presented, allowing to redirect the operator to other non-repetitive tasks, aiming to reduce the exposure to ergonomic risks. The proposed robotic solution has an innovative gripping system capable of supporting, actuating and regulating the volume of a manual micropipette. The system is able to configure the position of diverse laboratory materials, such as lab containers and plates, on the workbench through a collaborative robotic arm, providing flexibility to adapt to different procedures. A projected human-machine interface, which combines the display of information on the workbench with an infrared based interaction device was developed, providing a more intuitive interaction between the operator and the system during the configuration and operation phases. In contrast to the majority of the existing liquid handling systems, the proposed system allows the operator to place the materials freely on the workbench and the usage of different materials’ variants, facilitating the implementation of the system in any laboratory. The attained performance and ease of use of the system were very encouraging since all the defined tasks in the conducted experiments were successfully performed by users with minimum training, highlighting its potential inclusion in the laboratory routine panorama.

The General Purpose Heat Source (GPHS) is a radioactive heat source that consists of a stacked column of several individual modules. These modules contain and protect ceramic nuclear fuel pellets that give off heat for producing electricity. Each GPHS module contains passive safety provisions against fuel release that are the protective layers. High impact resistance was one of the dominant goals for the GPHS module designs. For increasing the ability of GPHS module to withstand the impact, a parametric FE-model is generated in the ANSYS Workbench environment. This model, consisting of a parametric geometry and its associated finite element entities, is used for geometric optimization. Several factors are considered in the design of the heat source module. Based on the analysis results, recommendations on optimization are provided.

The development and the experimental validation of a workbench capable of supporting outdoor flights using basically the affordable commercial quadrotor AR.Drone 2.0 and a personal computer is considered in this article. The text discusses some technical details of the developed system, focusing on how to achieve real-time navigation adopting a simplified dynamic model as a high-level representation of the vehicle in flight, a general-purpose nonlinear controller, suitable for different types of control applications, and a sensor fusion algorithm, designed to compensate for delayed measurements in the available sensory data. To check the effectiveness of such testbed, results associated to some experimental flights are presented, with the vehicle accomplishing positioning tasks, considering a fixed target point and a sequence of waypoints, and trajectory tracking tasks. Such results, associated to the theoretical analysis provided, allow claiming that the proposed system is an efficient way to guide the vehicle to accomplish different tasks. Additionally, the source code used is available for free download and modification, resulting in a valuable open-source workbench for researchers just starting working with aerial robotics.

We present the Infobiotics Workbench (IBW), a user-friendly, scalable, and integrated computational environment for the computer-aided design of synthetic biological systems. It supports an iterative workflow that begins with specification of the desired synthetic system, followed by simulation and verification of the system in high-performance environments and ending with the eventual compilation of the system specification into suitable genetic constructs. IBW integrates modeling, simulation, verification, and biocompilation features into a single software suite. This integration is achieved through a new domain-specific biological programming language, the Infobiotics Language (IBL), which tightly combines these different aspects of in silico synthetic biology into a full-stack integrated development environment. Unlike existing synthetic biology modeling or specification languages, IBL uniquely blends modeling, verification, and biocompilation statements into a single file. This allows biologists to incorporate design constraints within the specification file rather than using decoupled and independent formalisms for different in silico analyses. This novel approach offers seamless interoperability across different tools as well as compatibility with SBOL and SBML frameworks and removes the burden of doing manual translations for standalone applications. We demonstrate the features, usability, and effectiveness of IBW and IBL using well-established synthetic biological circuits.

In present investigation, a producer gas and air mixing performance of 30°, 45°, 60° & 90° Y shape producer gas carburetor designs have been reported using CFD simulation tool along with experimental results through trials conducted on a dual fuel CI engine. The geometry of carburetor is modeled in Ansys workbench and Species transport model of fluent solver is used for gas-air mixing characteristics analysis. Simulation results reveal that mass fraction variation for different constituents of producer gas is minimum for 90° Y shape design. It is also experimentally reported that 90° Y shape design gives better engine performance with reduced emission levels among the selected four cases for study.

Battery performance will be dramatically reduced at low temperatures. To solve this problem, a hybrid self-heating method (HSHM) for batteries used at low temperature is proposed in this article. The HSHM owns features of low cost, high temperature rise rate, low energy loss, etc., which has the potential to be widely used to heat batteries. The physical and electric configuration of the HSHM is designed, and the working principles are analyzed. The heating strategy of the HSHM is then introduced to illustrate the heating performance. To validate the proposed method, the experimental workbench is established. Experimental results show that even with smaller heating current, the heating speed of the HSHM is faster, and less energy is needed to heat the battery. Compared with the traditional self-heating method, the performance of the HSHM is improved by 1.3 times for the temperature rise rate and improved by 55.6% for the energy loss rate, respectively.

In this paper, new traceable measurement systems for automatic calibration of high current sources have been established at the National Institute of Standards (NIS), Egypt. These systems can be used in laboratories mainly depending on calibrators with current coils, in case of unavailability of current transformers. Traceability of high current has been achieved to the primary standards of low voltages. NIS primary standards of DC and AC low voltages were used to realize the traceability to the International System of Units (SI) for DC and AC high currents up to 1000 A at 50 Hz. A traceable AC/DC clamp probe with calibrated nominal ratio of 1 mV/A has been used in the calibration system to realize high currents in terms of low voltages. Measurements have been automatically performed and controlled using the Laboratory Virtual Instrument Engineering Workbench (LabVIEW). Evaluations of results are presented and discussed. Normalized error (En) statistical method as well as error bar graphical representations are presented to prove that the new measurement systems are reliable and dependable for high current measurements.

Tema ovog završnog rada je koncipirati i konstruirati podesivi radni stol za prihvat škripca. Cilj uređaja je olakšati operacije radnika u automehaničarskoj radioni tako da radna površina stola bude podesiva po visini, kutu nagiba i zakretu oko vertikalne osi. Stol mora biti konstruiran po pravilima ergonomije kako bi radnik imao optimalan položaj tijela u sjedećem ili stojećem položaju. Podizanje, spuštanje i promjena nagiba moraju biti pogonjene motorom dok rotacija oko vertikalne osi može biti odrađena ručnom silom. U prvom dijelu rada provedena je analiza tržišta i razrađeni su koncepti. Odabran je optimalan koncept s kojim se išlo u daljnju razradu, proračun kritičnih dijelova te izradu 3D CAD modela. Naposlijetku je izrađena tehnička dokumentacija. The topic of this undergraduate thesis is conceptualization and design of an adjustable clamp-holding workbench. The purpose of the device is to facilitate the operations of the workers in the auto mechanic workshop so that the working surface of the table is adjustable in terms of height, angle of inclination and rotation around the vertical axis. The desk must be constructed according to the rules of ergonomics so that the worker has an optimal body posture in a sitting or standing position. Lifting, lowering and tilting must be driven by a motor, while rotation around the vertical axis can be done manually. In the first part of the thesis, market analysis was carried out and the concepts were developed. An optimal concept for further development was chosen and the calculation of critical parts was made. Finally, the 3D CAD model and technical documentation were created.

The purpose of this research is to describe the use of assisted virtual laboratories of Electronic Workbench (EWB) in physics experiments learning. The method in this study used (1) calibration of the results of experiments with theory and (2) analysis of user responses to EWB in practicum activities. The study concluded that: 1) EWB is easy to use for practical learning, 2) capacitive reactance values obtained from calculations and observations following the theory (close to the same), 3) the time needed for one-time trial data retrieval until the analysis phase in this practicum activity is 10 minutes means that the experiment with EWB is very efficient. Based on the results obtained indicate that EWB is feasible to use as an alternative to physics learning in the mass pandemic COVID-19.

In this paper, a mathematical model for the pneumatic transport of micron silica particles in the dust removal pipeline is established, and the gas-solid two-phase flow in the pipeline is numerically simulated. This paper is mainly based on the FLUENT fluid simulation module in ANSYS WORKBENCH to simulate the motion behavior of particles in the pipeline, and obtained the penetration rate (particle deposition rate in pneumatic conveying) of silica particles in the horizontal straight pipe under different gas flow rates. In the numerical simulation, the influence of particle diameter, shape, lift and other factors on silica particles was considered. Under a large number of simulation conditions, the movement laws of micron silica particles in horizontal pipe pneumatic transport were obtained, and the influence of the above factors on the movement laws of the particles were determined.

The intensive development of gas transport and compressor manufacturing aimed at increasing the unit capacities of gas pumping units, creating high-flow centrifugal compressors, increasing the productivity of compressor shops has led to the appearance of fundamentally new problems in the diagnosis of industrial pipelines. The reasons for premature failure of piping manifold of gas pumping stations can be associated with both high static voltage in the pipelines and a high level of vibration. The main reasons for the increased vibration of the technological pipelines of the centrifugal compressor can be significant disturbing forces of the gas flow, coincidence of the natural frequencies of the pipeline system elements with frequencies of the disturbing forces, low dynamic stiffness of the pipeline- support system or a combination of the above conditions. The most effective method for studying problems such as low-frequency vibrations is the combination of engineering means for calculating dynamic processes and the results of measurements of the parameters of these processes in real systems and operating modes of the compressor stations. The hypotheses of the occurrence of low-frequency vibrations in pipelines are considered during the study, the acoustic properties of the process piping, and the resonant vibrations conditions are calculated. A computer model was created in the ANSYS Workbench software in order to consider the loading conditions for process piping. Based on Gazprom company standard 2-2.3-324-2009, an algorithm is proposed that is of practical importance for engineers of plant diagnostics operating gas transmission equipment. It is proposed to combine the performance of vibroacoustic studies and computing modeling with the determination of trends in the technical condition of the system for the analysis of changes in vibro-parameters. As a result of the work, direct measurements of the vibrodiagnostic specialists of the operating compressor station were compared with the obtained modeling data. Some methods were proposed to reduce the impact of operating conditions and design of the process piping on unacceptable low-frequency vibrations.

In this paper, deformation, Von-Mises stress, and failure analysis were carried out on a base stand using ANSYS workbench. The structural design was carried out using SolidWorks software and then imported into the ANSYS workbench for analysis. The investigation is performed using four different materials, i.e., structural steel, aluminum alloy, carbon fiber, and copper alloy, with an applied loading force of 1000 N at the tip of the structure. This technique highlights a complete reaction of the structure to the loading force, therefore providing room for structural optimization to reduce the risk of unexpected failure and unnecessary material wastage. The results obtained were compared and analyzed to identify the best material capable of withstanding the subjected force. Based on the Von-mises result, Carbon fiber has the highest possible maximum stress value of 4.70e+07 Pa, followed by structural steel, then Copper alloy. At the same time, the aluminium alloy has the least minimum Von-Mises. Structural steel is the very best option based upon the analysis outcomes. Its factor of safety is above unity in all the designs, which indicates that the structure has been over-designed. For that reason, it is suggested that the structure needs to be enhanced. Keywords: Finite element analysis, base stand, ANSYS, deformation, von mises stress.

Natural fibers have started replacing synthetic fibers in every aspect of manufacturing, starting from building materials and locomotives to fabricating automobile panels, sports kits, toys, laptop...

Comprehensive numerical modeling and investigations have been carried out to analyze the effect of wind loads on various solar array mounting frame structures using ANSYS 18 Workbench (Mechanical). Extensive damages of solar arrays and mounting frames have been reported the world over due to high winds. In this study, six array mounting frame types have been considered, subjected to the basic wind of 55 m/s specified for coastal regions of India. India has six basic wind speed zones ranging from 33 m/s to 55 m/s. Many utility-scale solar farms installed in this region are susceptible to high winds. Solar arrays considered of dimension 6 m × 4 m consisting of 12 photo-voltaic (PV) panels each of size 1 m × 2 m, with panel tilt angle varying from 10° to 50°. Wind load subjected to the PV panels in the solar array considered as normal pressure force over the top and bottom surfaces to simulate forward and backward wind direction. Three different materials with their respective mechanical properties, i.e., structural steel channel for mounting truss members, aluminum casing to encapsulate PV panels, and plexiglass sheet for PV panels, were considered and simulated. Wind pressure forces have been determined, using respective net wind pressure coefficients, induced by respective wind speed and tilt angle. Maximum deformation and maximum stresses were determined by modeling and simulation in ANSYS Workbench and compared the results with various array mounting system arrangements for each case of panel tilt angle subjected to both forward and backward wind incidence.

Introduction. Spun reinforced concrete columns are widely used in the present-day international construction practice. Known formulas, used to calculate temperatures of cross sections of reinforced concrete structures, needed to assess their fire resistance limit, are successfully applied to homogeneous structures that have solid sections. However, they are inapplicable to spun reinforced concrete columns due to their structural features. The purpose of this work is to develop a method for solving a thermal problem of spun reinforced concrete columns and adapt existing calculation formulas.Materials and methods. This work addresses the heating of spun reinforced concrete structures in case of fire. Ansys Workbench was employed to perform the computer simulation needed to study the influence of the characteristics of spun reinforced concrete columns on their heating. Results and discussion. In the course of the theoretical studies, the effect, produced by column cavities, the heterogeneity of spun concrete and thin walls of these structures on the heating of their cross sections was assessed with regard for the results of full-scale fire tests of spun reinforced concrete columns. Correction coefficients were obtained in order to take account of these factors. A regression equation was derived as a result of the simulation performed in the context of a full-scale factorial experiment involving coefficient khol, which takes into account the rising temperature of hollow reinforced concrete structures in comparison with solid ones. Khet heating acceleration coefficient is applicable to spun reinforced concrete structures due to the heterogeneity of concrete in the cross section. This coefficient represents a function of the wall thickness. Coefficient kth, which allows for the heating acceleration in the course of crack opening in thin-walled structures, varies in the range of 1.00…1.40. The concrete cracking temperature is 550 °C.Conclusion. A new method allows to solve the thermal problem of fire resistance of spun reinforced concrete columns. The engineering formula used to calculate the temperature in a cross-section was adapted. The results of computer-aided simulation and calculation of temperature values, performed using the adapted formula, show acceptable convergence with the experimental data.

O projeto MBYP (Magazine Better to Your Paper), que tem por objetivo desenvolver uma plataforma para pesquisadores com o intuito de reduzir o tempo de espera para realizar a escolha da revista por meio de métodos de aprendizagem de máquina, surgiu por meio da dificuldade de pesquisadores de compreender se o seu trabalho é adequado aos critérios indexados ao periódico pretendido. Assim, caso não seja, o mesmo acaba tendo boa parte do seu tempo dedicado perdido e consequentemente acaba levando a uma perda de confiança quanto ao trabalho desenvolvido. Para isso, foi usada a plataforma Sucupira afim de se obter dados relacionados aos periódicos mantidos na mesma para que fossem estudados. Entretanto, inconsistências de dados e elementos duplicados foram encontradas durante a análise das informações obtidas. Devido a isso, foi utilizada a teoria de conjuntos aproximativos(TCA) para eliminar as entidades duvidosas da base de dados principal por meio de procedimento durante o processo de inserção das tuplas no banco de dados construído no MySQL Workbench, além disso, foram criadas funções que aplicam as métricas pertencentes ao TCA para medir o grau de imprecisão dos elementos imprecisos adquiridos.

This study focuses on the Bubnov-Galerkin finite element model used to obtain the stresses and pressure fields set up at various cross-sections of a blank during the metal forming process. Four Lagrange quadratic elements were assembled to represent the various blanks. The governing equation adopted is a one-dimensional differential equation describing the pressures and stresses exerted on the forming process. In conducting the analysis, the various blanks are divided into a finite number of elements and further applying the Bubnov-Galerkin-weighted residual method to obtain the weighted integral form; the finite element model is obtained in a matrix form, from the weighted residual boundary conditions which are now applied to obtain the pressure distribution across the cross-section of the various blanks. Finite element results are obtained for a value of the coefficient of friction, die angle, length, and blank radius. Solution of the finite element method was compared with the exact solution, along with an experimental test known as press-fit analysis using Ansys Workbench, a program-controlled mesh of polar hexahedral elements which was utilized to further validate the result. Furthermore, the use of a computer-aided software assists in visualizing the solution of the tube sinking problem. The results were all presented in both tabular and graphical modes. This study shows that there are potentials for using this approach in engineering practices to ensure that the strength of materials be considered before usage in design and fabrication. These results are expected to improve advance knowledge in manufacturing processes.

One of the core tools of horizontal well-staged fracturing completion technology is the compressed packer. The sealing and stability of packer rubber are key factors affecting the safe exploitation of high temperature, high pressure, and deep, complex oil and gas resources. The phenomenon of low setting pressure and early setting failure frequently occurs due to the unreasonable sealing structure. Therefore, in this paper, the tensile test of dumbbell hydrogenated nitrile butadiene rubber (HNBR) samples is conducted, and the stress-strain data of HNBR were obtained. The finite element mechanical model (FEM) of compressed PHP packer is established with consideration of material nonlinearity, geometric nonlinearity and double contact nonlinearity by adopting large-scale finite element analysis software ANSYS Workbench, verified by measured test data. Based on the verified FEM, the mechanical behavior and sealing performance of the original rubber under different setting loads are simulated. The contact pressure and its distribution, deformation, compression stroke of rubber and the relationship between them and axial loads are obtained. The mechanical behavior and sealing performance of packer rubber under different heights, thicknesses, external bevel angles, loading modes and steel-rubber friction coefficients with and without outburst prevention devices are investigated systematically using a manual-graphical optimization trial method. Results show that the packer rubber with the height of 75 mm, external bevel angle of 45°, steel-rubber friction coefficient ranging from 0.10 to 0.15 and outburst prevention devices can achieve the largest contact pressure and best sealing performance by adopting the setting method of bidirectional loading.

This study deals with the effect of shape memory alloy in carbon/epoxy laminated beam. In this study we analyses static response of laminated beam under the load of 10 KN at the mid span of the beam. In this study a cantilevered beam of dimension 1000mm length, 100mm width and 30mm height which is divided in 3 layers of 10mm each is considered. The study includes three cases. In first case all the 3 layers of beam is laminated with carbon/epoxy. In second case the top and the bottom layers are laminated with carbon/epoxy and middle layer is2qw laminated with shape memory alloy. In the third case the top and the bottom layers are laminated with shape memory alloy while the middle with carbon/epoxy. Loading and boundary conditions are same for all the three cases. All the analysis is done using ANSYS workbench 15.0

The main goal of the project is weight analysis of scissor lifting table in the ware house, the scissor lifting table is a common device for all kind of peoples, we go to do the structural analysis of the scissor lifting table with the various human weights scissor lifting table modelled in Solid works software and structural analysis of human weights 50kg, 75kg, 100kg and 125kg done in ANSYS workbench software Scissor-type systems are frequently used as

In this article, we analyze the strength and buckling response in the plane shear load fixed at the corner of the composite plate. The fem is formulated is done on the basis of first-order shear deformation theory and assumptions of von Karman. The Newton-Raphson technique is considered to analyze the non-linearity algebraic equation. The effect of shape memory alloy in shear load and buckling response is discussed. In this study we analyze the two cases in the first simple carbon/epoxy plate is analyze and then we use the shape memory wire embedded in the plate which is about 1% of the volume of the plate and studies the buckling response effect on the plate. In the second case we use Shape Memory Alloy plate and loading but a circular cutout at the middle of the plate this case we analyze for both with the use of shape memory alloy and without the use of shape memory. It is observed that the shape memory alloy increases the strength of the plate in both cases. The whole simulations are done using Ansys workbench software v 2020R2.

We developed optically driven microtools for processing single biomolecules using a microfluidic workbench composed of a microfluidic platform that functions under an optical microscope. The optically driven microtools have enzymes immobilized on their surfaces, which catalyze chemical reactions for molecular processing in a confined space. Optical manipulation of the microtools enables them to be integrated with a microfluidic device for controlling the position, orientation, shape of the target sample. Here, we describe the immobilization of enzymes on the surface of microtools, the microfluidics workbench, including its microtool storage and sample positioning functions, and the use of this system for on-site cutting of single chromosomal DNA molecules. We fabricated microtools by UV lithography with SU-8 and selected ozone treatments for immobilizing enzymes. The microfluidic workbench has tool-stock chambers for tool storage and micropillars to trap and extend single chromosomal DNA molecules. The DNA cutting enzymes DNaseI and DNaseII were immobilized on microtools that were manipulated using optical tweezers. The DNaseI tool shows reliable cutting for on-site processing. This pinpoint processing provides an approach for analyzing chromosomal DNA at the single-molecule level. The flexibility of the microtool design allows for processing of various samples, including biomolecules and single cells.

Through extenics-based case reasoning, this research puts forward a method to configure the modules of complex machine products. Firstly, the knowledge on the process of product design was represented, and the convergence modes of design plans were analyzed, with the aid of product semantics and the knowledge representation model of the primitives. Next, the semantic correlation function was constructed, and a priority degree evaluation method for product family was created, in order to obtain the optimal configuration plan. In this way, the excellent design genes in product plans with relatively low correlations will be preserved. Finally, the proposed method was verified on the design of computer numerically controlled (CNC) roll grinder. Specifically, the quantitative and qualitative user needs were converted into the design objectives, producing the set of primitives (design objectives). Based on sematic correlations and priority degrees, the product/product family that best match the conceptual product was searched for in the case library, and the optimal configuration plan was prepared, in the light of semantic correlation network and local correlation evaluation. The results show that the local correlations of the bed and workbench module, headstock module, grinding system, measuring system, and support of MK8420 with design objectives were 0.298, 0.450, 0.600, 0.500, and 0.298, respectively, indicating that the configuration plan is in line with user needs and suitable for case-based reasoning. The proposed method has been successfully applied in actual production, laying a good basis for the intelligent design of products.

The good management of drinking water begins with a supply network, with a low rate of leakage. Currently, the pipes used in the water transport system are mainly made of polymeric materials, such as HDPE. The corrosion degradation of this type of pipe has received a lot of attention from the drinking water supply companies. It is therefore important to understand the effect of pressure on an HDPE pipe with a surface defect. To answer this problem, we will first study the mechanical behavior at failure of HDPE pipes in the presence of a surface defect using a finite element method. For the rehabilitation of pipe in presence of surface defect, we try to use a new composite. This new laminated composite is reinforced with a natural organic load. It is obtained from a laminated composite woven by incorporating a natural non-polluting organic load (granulates of date cores) which becomes hybrid composite. The new economical hybrid composite material is made of an organic matrix containing methyl methacrylate, a woven reinforcement including a reinforcing glass fiber and a fabric perlon having an absorbing role. The textile reinforcement made up of several folds reinforcing laid out according to the orientations (90, 452, and 0). A numerical simulation with the ANSYS Workbench software is carry out to study the behavior of the HDPE pipe with surface defect and with defect repaired by the new hybrid composite material in the form of rings to consolidate the cracked area of ​​the tube. The numerical results will allow us to decide on a real practical use of the new hybrid composite.

The paper introduces the results of studying the stress-strain state of the Novikov gearing in comparison with the involute gearing, similar in geometric parameters. In both versions, the wheel and gear are selected in size and gear ratio in accordance with the most common recommendations without additional hardening by chemical heat treatment. The zone of multiple contact of mated profiles is analyzed: changes in the geometry of contacts, pressure in the contact and stresses in various phases of gearing.

Non-Dispersive InfraRed (NDIR) gas sensor is widely used for gas detection in collieries and the gas chemical industry, etc. The performance of the NDIR gas sensor depends on the volume, optical length and transmittance of the gas chamber. However, the existing gas sensor products have problems of large volume, high cost and incapable of integration, which need to develop towards the miniaturized sensor. This paper first presents the theoretical background of the NDIR gas sensor and the novel structure of a fully integrated infrared gas sensor and its micro-machined gas chamber structure. Then, the light structure and the gas flow of the gas chamber are optimized on Tracepro software and Ansys workbench, respectively, and the technological process for preparing the Micro-Electro-Mechanical System (MEMS) gas chamber is designed. Finally, we produce a gas chamber with a small volume and good transmissivity, which would be the most important part of producing the miniaturized NDIR gas sensor.

In recent years, electric energy storage systems are considered as a key element in the technological development of vehicles, renewable energy. This article provides a brief description of modeling methods, some new approaches and the results of modeling batteries in parallelto-serial assemblies that can be used to design storage units for local power systems. A battery is a very complex physicochemical, electrochemical and electrotechnical object, the modeling of which can be carried out at various depth levels and by various methods. Battery modeling options are being considered. Presentation of the battery in the form of equivalent circuits is in good agreement with the general approach of graphical representation of electrical systems in such packages as MatLab-Simulink, Electronics Workbench and the like. Two directions of battery modeling can be distinguished, viz. modeling current battery parameters during a charge-discharge cycle and modeling the parameters of the functional state of the batteries over a long period of operation. These directions consider different characteristic time periods (hours and days in the first case and hundreds of days in the second one), differ in the parameters taken into account and are relatively independent. The latest versions of MatLab-Simulink have a built-in model with degradation of battery parameters. The built-in battery model is quite complex and when simulating the operation of more than one battery, the time period of counting increases significantly. When modeling assemblies from a large number of batteries connected in parallel-to-series, the time in the program practically stops, which indicates the impossibility of modeling large assemblies. Nevertheless, the Electronics Workbench electronics lab has shown its performance. When using the similarity criterion, Electronics Workbench has the potential to complicate the circuits, which makes it possible to analyze parallel-serial battery assemblies.

Fins are extended surfaces used between two fluids for heat transfer between the hotter and colder fluid or between a solid and a fluid. There are various types of fins, viz. angular fins, circular fins, and rectangular fins. Engine piston chamber is the most precarious part of any automobile imperiled to extreme thermal shocks, hence prone to thermal stresses. Therefore, fins are introduced to cool the cylinder, which helps to improve engine performance considerably. In this study, rectangular and circular types of fins were selected, and its effect on temperature distribution and heat flux has been studied for with and without the introduction of slots. Firstly, different fins were modelled by using AUTODESK FUSION 360, then meshing and post-processing were done using ANSYS WORKBENCH. The results (plots of temperature and heat flux distribution) obtained for various case studies have been analyzed and compared which showcased that the slotted circular fin geometry having higher fin thickness (3 mm in this case) is the preferred fin geometry compared to other types of fin. Key words: Fins, Autodesk fusion 360, Ansys workbench 2020 academic Software, temperature distribution, and heat flux.

Hybrid moulds are an increasingly considered alternative for prototype series or short production runs. This type of tools resorts on the use of Rapid Prototyping and Tooling (RPT) to produce the moulding elements (blocks or other inserts). This study was developed using a hybrid injection mould with exchangeable moulding elements that were produced by additive manufacturing (AM), namely vacuum epoxy casting, stereolithography and ProMetal. A full steel tool was also used as a reference. The processing conditions for the polypropylene moulded parts using the hybrid mould were monitored for pressure, temperature and ejection force. The hybrid mould performance was assessed in terms of pressure and temperature evolution during the injection cycle and the AM moulding elements for physical integrity. The data from the polypropylene moulded parts and the moulding inserts are compared with structural and rheological simulations using ANSYS Workbench and MOLDEX 3D. The results show that the hybrid mould performance and the structural integrity of the moulding elements depend on the properties of the materials used. The moulding shrinkage, when resin cores are used, is also affected by the core deformation caused by the injection pressure. info:eu-repo/semantics/publishedVersion

The explosions caused by terrorism and/or accidental lead to serious damage and/or collapse in structures, economic losses, and most importantly endanger public safety. The blasting loads that can be larger than design loads are generally neglected in the design stage of civil engineering structures, despite these catastrophic effects. For these reasons, especially strategically important structures such as hospitals, military buildings, and bridges should be designed considering the blasting effects. To this aim, the effects of design parameters such as concrete strength and openings in infill walls on blasting responses of reinforced concrete (RC) buildings are investigated in this study. In situ experimental tests are firstly conducted on a test specimen constructed with brick elements to verify the finite element (FE) model criteria and assumptions. The blasting experiments are performed using 40, 150, and 290 g trinitrotoluene (TNT) explosives. Then, two RC buildings are selected as application, and blasting analyses are done with numerical and empirical methods. FE models of the buildings including structural and non-structural elements are constituted in ANSYS Workbench software. The blasting analyses are carried out with ANSYS AUTODYN software using 100 kg TNT explosives. In the analyses, two different openings in infill walls and six different concrete classes are considered. The blasting pressures, displacements, absorbed and released total energies, and damage ratios are obtained and presented as comparison parameters. The results obtained from the blasting analyses are presented with graphics and tables, comparatively. The study shows that peak pressures and maximum displacements decrease by 22.50% and 32.16% with the increase in concrete strength. Also, it is observed from numerical analyses that openings in infill walls lead to a change of 8.16% in peak pressures and 13.92% in maximum displacements.

This research work reveals the modeling and investigation of composite leaf spring delivered utilizing polymers strengthened with glass fiber. The plan and investigation of composite leaf spring created utilizing polymers reinforced with glass fiber. The modeling constraints are strains, stresses and deflection. Measurements of the present standard steel leaf spring of a light commercial vehicle. Using E-Glass/Epoxy unidirectional covers, indistinguishable measurements from customary leaf spring are used to make a composite multi leaf spring. The 3-D model of traditional leaf spring is also dynamically analyzed using ANSYS 12 Workbench and contrasted with the analytical results.

Background: Cranial asymmetry has been associated with the laterality of neurological diseases including chronic subdural hematoma, subdural hygroma, and stroke. Although picture archiving and communication systems (PACS) are commonly used radiologic tools, simple angle or contoured area measurement cannot accurately reflect the actual severity of cranial asymmetry. Therefore, we developed an objective semi-automated image analysis tool based on the Laboratory Virtual Instrument Engineering Workbench (LabVIEW) system and compared its efficacy and variability with those of PACS in measuring cranial asymmetry. Methods: This image analysis software was developed on the basis of the LabVIEW system. Three sizes of plastic water pipes and computed tomographic images of the brain from three patients were used for experimental and clinical validations, respectively. We compared the percent error of the calculated areas of the pipes as well as coefficient of variation (CV) and cranial index of symmetry (CIS) ratio obtained from LabVIEW and PACS. Results: Experimental validation showed the overall mean difference of actual size versus estimated size obtained using PACS and LabVIEW-based image analysis to be 7.51% and 4.68%, respectively. This result indicated that LabVIEW-based image analysis provided an estimated area closer to that of the actual size of the phantom, with significantly low inter- and intraobserver variability (P < 0.001). Clinical validation also showed lower variability in the CVs and CIS ratios of areas estimated using LabVIEW-based image analysis, ranging from 0.01% to 0.13% and from 89.2% to 99.1%, respectively. Conclusion: Our study demonstrated through experimental and clinical validation that LabVIEW-based image analysis is a convenient and effective method for investigating cranial asymmetry. This imaging tool can provide more clues in understanding cranial asymmetry.

The steering knuckle is one of the critical and bulky components of the formula society of automotive engineers (FSAE) car. In the FSAE weight of the vehicle is the main objective concern, therefore, the aim is to redesign the upright by using hybrid metal matrix composite material so that factor of safety (FOS) remains larger than two but the weight of the component decreases. The aluminum alloy 7075-T6 is reinforced with silicon carbide and the magnesium powder is used for the preparation of a composite. Static structural analysis of the steering knuckle made of Al-10 wt% SiC-1 wt% Mg was performed using the ANSYS18.1 workbench. The outcomes of the steering knuckle produced of hybrid MMC with improved construction were compared with the results of the old aluminum alloy steering knuckle on the grounds of the real loading cases working under dynamic conditions. From this structural study, it is found that the lower wishbone mount of the knuckle has the highest stress and deflection during service. Cross sectional knuckle area was analyzed and geometrically optimized for maximum shear / maximum stress. The fatigue life and FOS of the hybrid MMC knuckle is investigated in the worst case of testing. The findings obtained from the analytical and FEA study are highly favourable for the changed design with MMC.

The exchanges of heat have been used for exchanging the vitality of heat among 2 sources. Contemporarily, there was a prominent fascination for lightweight, effective, prevalent & preservationist parts transfer. The exchangers were utilized for exchanging vitality of heat among 2 sources. Existing there was a significant for preservationist, productive transfers of heat, prevalent. Here, fins have been perceived as optimal scheme to expand dispersal of heat. Moreover, fins criteria has been organized were differing aimed at divergent implementations, nevertheless, fundamental concern has been rate of heat transfer, fetched & weight. Suitably, especially, it is fascinated for enhancing on apparatus aimed at perfect fin framework that is most important rate of heat of transfer & fins shape & weight. The fins cross-sectional area could be expanded in 2 divergent approaches either through using divergent fins materials or fins changing geometry. Hence, divergent surfaces of fin were circular, curved, rectangular & angular. Moreover, fins were examined with several combinations of aluminum such as A1-2014, A1-C443, A1-6061. Here, V5 CATIA has been used for devising for fins & workbench ANSYS 16.0 has been examined for investigation. The contemporary project has to augment the transfer rate of heat transfer for surface of fin with definite info aspects had optimal contrast of heat-transfer with other surfaces of fin. Moreover, the prominent of this criteria is attaining optimal shape & material aimed at IC engines fins of air, where the procedure is to attain high outcomes for examining thermal conductivity in divergent shaped through fluctuating aluminum alloys. Moreover, outcomes attained has identified that, fins of angular performs more significant transfer of heat and A1 C-443 has been examined for optimal performance of materials.

This paper deals with the comparative analysis of the roll cage for the performance automobile. In a performance automobile, the roll cage is one of the main components. It forms the structure which provides additional protection and prevents the vehicle from crumbling. It must be of adequate strength to protect the driver in the event of a rollover or impact. There are different organizations across the globe which provides car manufacturer a certificate of crash worthiness and structural strength of the cars during the collision. Conducting the car crash test will take much time and cost so in order to solve these problems and Improvise the design of the Body in White part of the car (BIW) a finite element model of the car is developed and it is tested virtually over and over to ensure that the passengers are safe inside the car during an impact. The main thing about the simulation is the cost effectiveness and can be done in lesser amount of time than testing the actual model. Mainly there are three modes of crash testing which are performed in Insurance institute of Highway Safety such are Frontal Impact test, Side way Impact test and Roll over test. Here a BIW part of the car is taken along with the roll cage designed by us with carbon fiber (ePA-CF) material properties and ASTM A36 steel properties (comparison) for the dynamic analysis using ANSYS workbench and LS DYNA.

Engine cylinder undergoes a variation of temperature and thermal stress. Fins are employed on engine to enhance the rate of heat transfer. Fins are used on the surface of the engine cylinder to increase the heat transfer rate. Rate of heat dissipation in engine cylinder fins can be improved by enhancing its surface area. The main aim of the present numerical investigation is to assess the thermal properties of engine cylinder by varying geometry, material and profile of cylinder fins using Ansys workbench. The models are created with the aid of SolidWorks.

The aim of this present work is to find natural frequency for both existing and proposed horn mounting bracket designs to avoid the possibility of resonance. Next is to find out the dynamic behavior of existing bracket assembly from 5 to 17.3 Hz at the peak to peak distance of 10 mm by means of harmonic response analysis and then to find out the fatigue life using Goodman curve by vibrating the bracket assembly at first resonance frequency at 1.5 G acceleration. Finite element analysis (FEA) is carried to analysis the horn mounting bracket using ANSYS workbench software.

Aiming at the gate design problem of a mobile phone panel, the plastic forming analysis software Moldflow and drop simulation were used to optimize the gate design. Six different gate design schemes were compared and studied, and the weld lines positions and injection molding results under each gate scheme were analyzed.Through the simulation analysis of the falling process of the mobile phone panel by the display dynamics analysis software ANSYS Workbench LS-DYNA, five analysis schemes were set according to the falling angle, and the stress distribution at the weld lines positions of the mobile phone panel in each scheme was studied. The reasonable gate scheme was given by synthesizing the force condition, the mold flow analysis and the drop simulation results of the mobile phone panel in use. Based on the results of die flow analysis and drop simulation the optimal gate design scheme 2 is found, and the weld line position avoids the lower part of the elliptical hole, which is the weak part of the structure. The research results had certain reference significance for the optimization of injection process of plastic products.

In this paper, a helical compression spring used in commercial transport three-wheeler has been modelled as a multi-objective optimisation problem. The objective functions considered in this study are reducing the volume of the spring and increasing the strain energy of the spring used in the light automotive. Minimizing the volume of the spring leads to reducing the cost of the spring. The utility and functionality of the spring can be improved by increasing the strain energy of the helical spring. Design parameters such as diameter of the spring wire, diameter of the coil spring and number of active turns of the spring are optimized in this study by using multi-objective optimisation formulation. Heuristic techniques such as Genetic Algorithms are used to find Pareto optimal solutions for a wide variety of engineering problems with multiple objectives. In this work, non-dominated solutions are generated using Non-Dominated Sorting GA-II approach. The Pareto-optimal solutions obtained in this study are validated using a numerical approach using ANSYS workbench.

This paper is regarding designing and manufacturing of an air intake assembly for a KTM 390 Duke’s engine having a displacement of 373.15 cc. Key to enhance vehicle performance is to optimize and design such a light weight air intake assembly so as to have increased torque across the wheels through a wide range of engine RPM. CFD simulations on ANSYS Workbench 19.2 are done to validate minimum loss of pressure and maximum velocity of air across the CAD model of assembly. For manufacturing, rapid prototyping followed by layering with fiber reinforced plastic (FRP) is considered as these techniques provide freedom to design any possible geometry without compromising on strength and helps in weight reduction.

Composite material is widely used to maintain damaged structures of aircraft. The 3D finite element model of composite cement maintenance for aircraft is established by finite element method software ANSYS Workbench. The structural characteristics and usage status of the composite cement maintenance model is analyzed, and then the optimal structural parameters of the composite patch are obtained, including the length, width and thickness. The results show that the composite cement maintenance method could effectively restore the rigidity, and improve the strength of the structure. Furthermore, the optimal design for composite patch ensures safety of aircraft, economics of maintenance, and operability of repair methods.

Live-working is the development trend of smart grid, and the development of high-performance live-working robot system is the inevitable demand of technology development. A dual-arm live-working robot system is developed to overcome the problems existing in the design and application of the current live-working robots. The system is composed of operation module, reference board platform module, insulation cover and control system module. The power-driven cooperative UR10 mechanical manipulators are used, and standardized mechanical interfaces are adopted to make sure that the assembly and testing process is very efficient and convenient. ANSYS Workbench is used to analyze the strength of the whole robot to guarantee the requirements of strength and deformation. The mass of the whole robot is minimized to less than 170kg during the lead wire procedure.

The present work focuses on modeling and FEA of connecting rod to predict the fatigue life of Hero Splendor Plus I.C. Engine made by four materials (AISI 4140 Cr-Mo High Tensile Steel, 42crMo4, Aluminium 7075 T6, Forged Steel). To begin with, the different materials are chosen for connecting rod. Analytical analysis is carried out to arrive at the design specifications for connecting rod. The Connecting rod has been modeled using NX 11 software and imported to ANSYS V15.0 workbench to assess the FEA. Tetrahedron meshing method is used and the boundary conditions to be immovable on big end and load applied at the small end. The applied force has been the maximum gas force 30.4 KN. Analytical computations are carried out with the different materials and at the end, comparison of numerical results, analytical results, cost for the different materials is carried for validation. From the static stress analysis and on comparison with four materials it is concluded that material 42CrMo4 has less deformation of 5.52296 * 10-8 mm and less Von Mises stress of 189.386 MPa than the other material comparatively. Results revealed that the material 42CrMo4 can be replaceable in place of conventional material for connecting rod of Hero Splendor Plus I.C. Engine.