Logarithmic strain measure applied to the nonlinear positional formulation for space truss analysis

Marcelo Greco; Ivone Passos Ferreira

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Logarithmic strain measure applied to the nonlinear positional formulation for space truss analysis

机译：对数应变测量应用于空间桁架分析的非线性位置公式

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The logarithmic strain measure is used to obtain a consistent geometric nonlinear finite element formulation to deal with large strains on space trusses. The formulation is based on the positional formulation and no local system of coordinates on the elements is needed to describe its kinematics. Three numerical examples are presented, including a tensegrity tower and a double layer elastoplastic space truss. The paper proves that the positional nonlinear formulation is valid for other objective strain measures used in the classical nonlinear formulations, i.e. logarithmic strain measure.

机译：对数应变测量用于获得一致的几何非线性有限元公式，以处理空间桁架上的大应变。该公式基于位置公式，不需要描述元素的运动学的局部坐标系。给出了三个数值示例，包括一个张力塔和一个双层弹塑性空间桁架。本文证明了位置非线性公式对于经典非线性公式中使用的其他目标应变测度（即对数应变测度）是有效的。

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来源
《Finite elements in analysis & design》 |2009年第10期|632-639|共8页
作者
Marcelo Greco; Ivone Passos Ferreira;
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作者单位

Department of Civil Engineering, Minas Gerais Federal Centre for Technological Education, Av. Amazonas. 7675, Belo Horizonte 30510-000, MG, Brazil;

Department of Civil Engineering, Minas Gerais Federal Centre for Technological Education, Av. Amazonas. 7675, Belo Horizonte 30510-000, MG, Brazil;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
nonlinear analysis; geometric nonlinearity; logarithmic strain;

机译：非线性分析几何非线性对数应变;

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1. Discussion on 'The logarithmic strain measure applied to the nonlinear positional formulation for space truss analysis' [Finite Element in Analysis and Design 45 (2009) 632-639] and 'Nonlinear positional formulation for space truss analysis' [Finite Element in Analysis and Design 42 (2006)1079-1086] [J] . Marcelo Greco, Leandro Jose Rocha da Costa Finite Elements in Analysis and Design . 2012,第期

机译：讨论“对数应变测量应用于空间桁架分析的非线性位置公式” [分析和设计中的有限元45（2009）632-639]和“空间桁架分析的非线性位置公式” [分析和设计中的有限元] 42（2006）1079-1086]
2. Nonlinear positional formulation for space truss analysis [J] . M. Greco, F.A.R. Gesualdo, W.S. Venturing, Finite Elements in Analysis and Design . 2006,第12期

机译：用于空间桁架分析的非线性位置公式
3. A viscoelastic viscoplastic constitutive model including mechanical degradation: Uniaxial transient finite element formulation at finite strains and application to space truss structures [J] . T.A. Carniel, P.A. Munoz-Rojas, M. Vaz Jr. Applied Mathematical Modelling . 2015,第5a6期

机译：包含机械降解的粘弹性粘塑性本构模型：有限应变下的单轴瞬态有限元公式化及其在空间桁架结构中的应用
4. APPLICATION OF THE LOGARITHMIC STRAIN FORMULATION IN NONLINEAR TRANSIENT DYNAMICS [C] . Plesek International conference on enhancement and promotion of computational methods in engineering and science(EPMESC'VIII) . 2001

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5. THE COMPLEX STRAIN APPROXIMATION IN SPACE AND TIME APPLIED TO THE KINEMATICAL ANALYSIS OF RELATIVE HORIZONTAL CRUSTAL MOVEMENTS. [D] . SCHNEIDER, DIETER. 1982

机译：时间和空间上的复杂应变逼近应用于水平水平地壳运动的运动学分析。
6. Logarithmic Strain Model for Nonlinear Load Cell [O] . Young-Dae Hong, Bumjoo Lee 2019

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7. A positional formulation of the embedded bar with uniaxial, shear and flexural stiffness for the reinforced concrete analysis considering physical nonlinearities [O] . Arthur Álax de Araujo Albuquerque -1

机译：考虑物理非线性的钢筋混凝土分析的单轴，剪切和抗弯刚度的嵌入式棒的位置配方

Logarithmic strain measure applied to the nonlinear positional formulation for space truss analysis

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