On the Variational Principle of Lagrange of the Micropolar Elasticity Theory in the Case of Orthotropic Medium

被引：2
|
作者：
Romanov, A. V. [1 ]
机构：
[1] Lomonosov Moscow State Univ, Fac Mech & Math, Chair Composite Mech, Moscow, Russia
来源：
MOSCOW UNIVERSITY MECHANICS BULLETIN | 2023年 / 78卷 / 01期
关键词：
micropolar continuum; Cosserat continuum; theory of asymmetric elasticity; variational principle; rotation gradient tensor; couple stress tensor; finite element method; stiffness matrix;
D O I：
10.3103/S0027133023010041
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, the variational principle of Lagrange, the Ritzmethod and piecewise polynomial serendipity shape functions areused to obtain the stiffness matrix and a system of linearalgebraic equations in the micropolar theory of elasticity fororthotropic and centrally symmetric material.
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页码：23 / 28
页数：6
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