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- بیشتر -دانلود مقاله : Particle finite element analysis of large deformation and granular flow problems 2013
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دانلود مقاله :
Particle finite element analysis of large deformation and granular flow problems 2013
نویسندگان :
X. Zhang , K. Krabbenhoft , D.M. Pedroso b, A.V. Lyamin , D. Sheng a, M. Vicente da Silva c, D. Wang
فرمت:pdf
چکیده :
A version of the Particle Finite Element Method applicable to geomechanics applications is presented. A
simple rigid-plastic material model is adopted and the governing equations are cast in terms of a variational
principle which facilitates a straightforward solution via mathematical programming techniques.
In addition, frictional contact between rigid and deformable solids is accounted for using an approach
previously developed for discrete element simulations. The capabilities of the scheme is demonstrated
on a range of quasi-static and dynamic problems involving very large deformations
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