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Singularity of collapsed Q‐8 finite element
Author(s) -
Banthia Vinod
Publication year - 1985
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620210513
Subject(s) - singularity , finite element method , gravitational singularity , element (criminal law) , extended finite element method , mixed finite element method , mathematical analysis , gauss , mathematics , finite element limit analysis , geometry , physics , structural engineering , engineering , law , quantum mechanics , political science
The ability of the collapsed Q‐8 finite element to model strain singularities is studied in this paper. It is shown that its ability to model an r −1 singularity in strains depends strongly on the element size and number of Gauss points used for sampling stresses inside an element.