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An Abaqus UEL implementation of the smoothed finite element method. (arXiv:1711.09829v2 [math.NA] UPDATED)
来源于:arXiv
In this paper, we discuss the implementation of a cell based smoothed finite
element method (CSFEM) within the commercial finite element software Abaqus.
The salient feature of the CSFEM is that it does not require an explicit form
of the derivative of the shape functions and there is no isoparametric mapping.
This implementation is accomplished by employing the user element subroutine
(UEL) feature of the software. The details on the input data format together
with the proposed user element subroutine, which forms the core of the finite
element analysis are given. A few benchmark problems from linear elastostatics
in both two and three dimensions are solved to validate the proposed
implementation. The developed UELs and the associated input files can be
downloaded from Github repository link:
https://github.com/nsundar/SFEM\_in\_Abaqus. 查看全文>>