Extension of the enhanced assumed strain method based on the structure of polyconvex strain‐energy functions
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DOI: 10.1002/nme.6284
Abstract: In this work, two well‐known approaches for mixed finite elements are combined to render three novel classes of elements. First, the widely used enhanced assumed strain (EAS) method is considered. Its key idea is to… read more here.
Keywords: polyconvex strain; energy functions; enhanced assumed; strain ... See more keywords
Improving efficiency and robustness of enhanced assumed strain elements for nonlinear problems
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DOI: 10.1002/nme.6605
Abstract: The enhanced assumed strain (EAS) method is one of the most frequently used methods to avoid locking in solid and structural finite elements. One issue of EAS elements in the context of geometrically nonlinear analyses… read more here.
Keywords: eas elements; robustness; enhanced assumed; method ... See more keywords
Topology optimization of structures with anisotropic plastic materials using enhanced assumed strain elements
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DOI: 10.1007/s00158-016-1612-1
Abstract: The focus of this paper is on consistent and accurate adjoint sensitivity analyses for structural topology optimization with anisotropic plastic materials under plane strain conditions. In order to avoid the locking issue, the Enhanced Assumed… read more here.
Keywords: enhanced assumed; anisotropic plastic; topology; topology optimization ... See more keywords