On a new mixed-hybrid variational principle and analysis of upper and lower solutions by the isolated element method

被引：0
|
作者：
Kazama E.
Kikuchi A.
机构：
来源：
Transactions of the Japan Society for Computational Engineering and Science | 2020年 / 2020卷
关键词：
Finite element method; Isolated element ｍethod; New mixed and hybrid variational principle; Nodeless method; Upper and lower bounds of stress;
D O I：
10.11421/jsces.2020.20200012
中图分类号：
学科分类号：
摘要：
A new mixed and hybrid variational principle is proposed for the elasticity in this paper. This principle is composed from the potential energy functional and the complemental energy functional that the pair of these energy are constrained by a formula. Using this principle for the analysis of the solid mechanics, that is discretized or not, stress and displacement be able to analyze at the same time. Upper and lower bounds of numerical stress be able to analyze by the isolated element method that is based on the proposed principle. © 2020 by the Japan Society for Computational Engineering and Science.
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页码：1 / 10
页数：9
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