Investigation of Mesh Dependency of Materials Fracture in the Finite Element Simulation of a Projectile Penetrating into a Target
2015 ◽
Vol 782
◽
pp. 302-308
Keyword(s):
In finite element numerical simulation, the calculating results of geometrical models with different mesh density tend to have obvious differences, especially when material damage and fracture are considered. In order to study the mesh dependency of the finite element calculation, models of a projectile penetrating into the target with different mesh densities are constructed by using LS-DYNA. A nonlocal approach is investigated and the results without and with MAT_NONLOCAL are compared. It is found that the nonlocal model with a variable characteristic length parameter provides a relatively accurate and stable result, and the calculation cost can be reduced.
2016 ◽
Vol 7
(1)
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pp. 7-12
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2011 ◽
Vol 467-469
◽
pp. 1686-1690
2004 ◽
Vol 15
(10)
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pp. 1387-1395
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2014 ◽
Vol 1033-1034
◽
pp. 462-465
2020 ◽
Vol 64
(1-4)
◽
pp. 1337-1345
2015 ◽
Vol 1
(2)
◽
pp. 57-65
2011 ◽
Keyword(s):
2013 ◽
Vol 4
(2)
◽
pp. 113-121
Keyword(s):