1. An SPH shell formulation for plasticity and fracture analysis in explicit dynamics
- Author
-
B. Maurel, Alain Combescure, Laboratoire de Mécanique des Contacts et des Structures [Villeurbanne] (LaMCoS), Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), and Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)
- Subjects
Numerical Analysis ,Engineering ,business.industry ,Applied Mathematics ,Dynamics (mechanics) ,General Engineering ,Shell (structure) ,02 engineering and technology ,Structural engineering ,Plasticity ,01 natural sciences ,Global type ,010101 applied mathematics ,Smoothed-particle hydrodynamics ,020303 mechanical engineering & transports ,Test case ,0203 mechanical engineering ,Fracture (geology) ,Applied mathematics ,Meshfree methods ,0101 mathematics ,business ,ComputingMilieux_MISCELLANEOUS - Abstract
This paper introduces a new modeling method suitable for the simulation of shell fracture under impact. This method relies on an entirely meshless approach based on the smoothed particle hydrodynamics (SPH) method. The paper also presents the SPH shell formulation being used as well as the different test cases used for its validation. A plasticity model of the global type throughout the thickness is also proposed and validated. Finally, in order to illustrate the capabilities of the method, fracture simulations using a simplified fracture criterion are presented.
- Published
- 2008