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IMPACT SIMULATIONS USING SMOOTHED FINITE ELEMENT METHOD

V. KUMAR

Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai 600036, India

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and

R. METHA

Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai 600036, India

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https://doi.org/10.1142/S0219876213500126Cited by:6 (Source: Crossref)

Abstract

We present impact simulations with the Smoothed Finite Element Method (SFEM). Therefore, we develop the SFEM in the context of explicit dynamic applications based on diagonalized mass matrix. Since SFEM is not based on the isoparametric concept and is based on line integration rather than domain integration, it is very promising for events involving large deformations and severe element distortion as they occur in high dynamic events such as impacts. For some benchmark problems, we show that SFEM is superior to standard FEM for impact events. To our best knowledge, this is the first time SFEM is applied in the context of impact analysis based on explicit time integration.

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