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.

引用

页码：23 / 28

页数：6

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