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The application of a desingularized variational numerical method to the vertical hydrodynamic impact problem of axisymmetric bodies is addressed here within the so-called Generalized von Karman Model (GvKM). A weak formulation is used and the velocity potential is numerically approximated in a Sobolev space. Trial functions are conveniently written as finite summations of elementary potentials. A main advantage of the proposed technique is the fact that a first-order error in the velocity potential computation implies a second-order error in the added mass value. Good agreement in added mass calculations is verified for a sphere and for an oblate spheroid in comparison with results obtained from WAMIT ® .

The present paper aims at contributing to a discussion, opened by several authors, on the proper equation of motion that governs the vertical collapse of buildings. The most striking and tragic example is that of the World Trade Center Twin Towers, in New York City, about 10 years ago. This is a very complex problem and, besides dynamics, the analysis involves several areas of knowledge in mechanics, such as structural engineering, materials sciences, and thermodynamics, among others. Therefore, the goal of this work is far from claiming to deal with the problem in its completeness, leaving aside discussions about the modeling of the resistive load to collapse, for example. However, the following analysis, restricted to the study of motion, shows that the problem in question holds great similarity to the classic falling-chain problem, very much addressed in a number of different versions as the pioneering one, by von Buquoy or the one by Cayley. Following previous works, a simple single-degree-of-...

The initial stage of the hydrodynamic impact problem is here treated from the point of view of analytical dynamics and variable mass systems mechanics. This is achieved by properly interpreting the outflux of kinetic energy from the so-called bulk of the liquid. It is also shown that the proper application of the Lagrange’s equation, so used to recover the hydrodynamic impact force expression, strongly depends on the choice of the liquid domain in which the added mass is defined. The relationship between such added masses can be obtained by the Reynolds’ transport theorem.

Na Atenção Primária à Saúde (APS) o quadro de trabalhadores de enfermagem é planejado de forma empírica, gerando distorção entre a alocação e a real necessidade das unidades de saúde. O objetivo deste trabalho foi identificar as intervenções de enfermagem na APS para subsidiar o dimensionamento dos trabalhadores. Foram utilizadas as seguintes fontes: revisão bibliográfica em bases de dados no período de 1999-2009; observação em campo em Unidade de Saúde da Família; levantamento em prontuários de famílias; mapeamento das atividades em intervenções de enfermagem segundo a taxonomia Nursing Interventions Classification e validação dessas intervenções. Identificaram-se 169 atividades: 11 atividades associadas; 5 pessoais; e 153 de cuidados diretos e indiretos que foram mapeadas e validadas em 7 domínios, 15 classes e 46 intervenções da NIC. O estudo possibilitou o reconhecimento das práticas de enfermagem na APS por meio de uma linguagem padronizada, subsidiando a sua aplicação na construção de instrumentos para a identificação da carga de trabalho. In Primary Health Care (PHC) there is empirical planning regarding the nursing staff, which causes a distortion between personnel distribution and the real needs of the health units. The objective was to identify the nursing interventions at the PHC that support personnel staffing. The following sources were: literature review of databases from 1999-2009; field observation at a Family Health Unit; survey of family forms; mapping of nursing activities and interventions according to the Nursing Interventions Classification; and validation of these interventions. A total of 169 activities were identified: 11 associated activities; five personnel activities and 153 direct and indirect care giving activities validated in seven domains, 15 classes and 46 NIC interventions. The study allowed for recognition of the nursing practices at the PHC by means of a standardized language, providing support for its application in the creation of instruments to identify the nursing workload. En Atención Primaria de Salud (APS) el grupo de trabajadores de enfermería se planifica empíricamente, generándose desequilibrio entre asignaciones y necesidades reales de las unidades de salud. Se objetivó identificar las intervenciones de enfermería en APS para determinar la distribución laboral. Se utilizaron: revisión bibliográfica en bases de datos entre 1999 y 2009, observación en campo en Unidad de Salud de la Familia, datos de historias clínicas de familias, mapeo de actividades en intervenciones de enfermería según taxonomía Nursing Intervention Classification y validación de las intervenciones. Se identificaron 169 actividades: 11 asociadas, cinco personales y 153 de cuidados directos e indirectos, mapeadas y validadas en siete dominios, 15 clases y 46 intervenciones de la NIC. El estudio posibilitó reconocer las prácticas de enfermería en APS mediante un lenguaje estandarizado, ayudando su aplicación en la construcción de instrumentos para identificación de la carga de trabajo.

In Primary Health Care (PHC) there is empirical planning regarding the nursing staff, which causes a distortion between personnel distribution and the real needs of the health units. The objective was to identify the nursing interventions at the PHC that support personnel staffing. The following sources were: literature review of databases from 1999-2009; field observation at a Family Health Unit; survey of family forms; mapping of nursing activities and interventions according to the Nursing Interventions Classification; and validation of these interventions. A total of 169 activities were identified: 11 associated activities; five personnel activities and 153 direct and indirect care giving activities validated in seven domains, 15 classes and 46 NIC interventions. The study allowed for recognition of the nursing practices at the PHC by means of a standardized language, providing support for its application in the creation of instruments to identify the nursing workload.