A virtual-surface contact algorithm for the interaction between FE and spherical DE
W Gao, Y Tan, S Jiang, G Zhang, M Zang - Finite Elements in Analysis and …, 2016 - Elsevier
A new contact search algorithm named virtual-surface contact algorithm is developed for
dealing with the interaction between spherical discrete elements (DEs) and finite elements
(FEs). The basic idea of the contact algorithm is forming a virtual surface above the FE
surface. Therefore, the contact problem between DE and FE surface is treated as that
between the DE mass center and the virtual surface. Then, the projection of the DE mass
center on the virtual surface is determined using spatial area coordinates without solving …
dealing with the interaction between spherical discrete elements (DEs) and finite elements
(FEs). The basic idea of the contact algorithm is forming a virtual surface above the FE
surface. Therefore, the contact problem between DE and FE surface is treated as that
between the DE mass center and the virtual surface. Then, the projection of the DE mass
center on the virtual surface is determined using spatial area coordinates without solving …
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