An efficient mixed interpolated curved beam element for geometrically nonlinear analysis

被引：18

作者：

Rezaiee-Pajand, Mohammad ^{[1
]}

Rajabzadeh-Safaei, Niloofar ^{[1
]}

Masoodi, Amir R. ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Dept Civil Engn, Mashhad, Razavi Khorasan, Iran

来源：

APPLIED MATHEMATICAL MODELLING | 2019年 / 76卷

关键词：

Tapered beam; Mixed interpolation; Green-Lagrange strain; Tying points; Geometrically nonlinear analysis; LARGE-DISPLACEMENT ANALYSIS; FINITE-ELEMENT; DYNAMIC-RESPONSES; SHELL ELEMENTS; FORMULATION; ARCHES; PLATES; MODEL;

D O I：

10.1016/j.apm.2019.06.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, a curved beam element is developed for geometrically nonlinear analysis of planar structures. The main contribution of this research is to use high-performance formulation to alleviate locking phenomena and consider finite rotation. This scheme is based on the mixed interpolation of the strain fields. In this study, special tying points are found and utilized. One of the interesting advantages of the proposed element is the ability to model tapered structures. Moreover, the First-order Shear Deformation Theory (FSDT) and the Green-Lagrange strain are included. Several complicated and applicable nonlinear problems are solved to depict the efficiency and high accuracy of the proposed element, especially by fewer numbers of elements. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：252 / 273

页数：22

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