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Conference papers

Post-buckling analysis of thin-walled structures using the SPH method

Abstract : In this investigation a meshless shell formulation is proposed for the post-buckling analysis of thin-walled structures using a non-linear dynamic explicit scheme. This method is an adaptation of the Smoothed Particle Hydrodynamics (SPH) method to deal with shell-like structures, while keeping its character of a strong formulation based on the principle of collocation directly applied on the differential equilibrium equations. The present SPH formulation is an extension of the continuum-corrected and stabilized SPH method allowing a thin structure to be modeled by using only one layer of particles to represent the shell mid-surface. Application of this method for the post-buckling analysis of several academic examples, shows its interest and its potential especially in terms of CPU computing time saving while keeping a very good level of accuracy compared to the classical SPH method and to the Finite Element method.
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Jun Lin, Hakim Naceur, Abdelouahed Laksimi, Daniel Coutellier. Post-buckling analysis of thin-walled structures using the SPH method. 11th International Conference on Numerical Methods in Industrial Forming Processes, NUMIFORM’13, Jul 2013, Shenyang, China. pp.701-707, 978-0-7354-1156-2, ⟨10.1063/1.4806898⟩. ⟨hal-03446866⟩



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