Shape Functions and Mesh Density Effect in Geometric Nonlinear Finite Element Analysis of Beam Structures

被引：0
|
作者：
Veghova, Ivana [1 ]
Psotny, Martin [1 ]
机构：
[1] Slovak Univ Technol Bratislava, Fac Civil Engn, Dept Struct Mech, Radlinskeho 11, Bratislava 81005, Slovakia
来源：
INTERNATIONAL CONFERENCE ON NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM-2018) | 2019年 / 2116卷
关键词：
D O I：
10.1063/1.5114123
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Geometric nonlinear solution of beam structures is presented. Basic assumptions are specified and incremental conditional equations are derived. Newton-Raphson iteration is used. Two finite element approaches are analysed in presented paper. The importance of nonlinear terms in geometric equation and their effect upon the result of the solution is the basis of this contribution. The solved examples of selected structures are presented and different approaches to the solution are compared.
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