material nonlinearity

During the construction of bearing carrier, initial defect and transverse pressure are unavoidable. Based on it a real construction bearing carrier of tower crossbeam of a suspension bridge is analyzed by ANSYS software considering geometry nonlinearity and material nonlinearity.

针对一实际悬索桥桥塔横梁的施工支架，考虑施工中可能产生的初始缺陷及横向偏压等，利用ANSYS并考虑几何非线性和材料非线性，对其进行了分析。

By comparing the results of buckling analysis, the effects of material nonlinearity, geometric imperfection and lap joint on stability were studied.

分析了材料非线性、几何缺陷和筒壁搭接对稳定性能的影响。

This article uses nonlinear finite-element method, including both geometric and material nonlinearity, when modeling a axisymmetric loaded tank shell model in a typical range of dimension by a quasi-static elastic-plastic buckling approach.

在考虑大变形几何非线性和材料非线性条件下，本文利用非线性有限元法，以轴对称载荷壳单元模型，对一定尺寸范围内的储罐进行了准静态弹塑性屈曲分析。

The anomalous dynamic response results from the coupling of geometric nonlinearity, material nonlinearity, elastic effects and the irrecoverable feature of the plastic deformation.

这一现象是几何与材料两种非线性相互作用的结果。

Tangent stiffness matrix for spatial concrete filled steel tubular ( CFST) pole element of geometric nonlinearity coupled with material nonlinearity under large displacement and large strain which was deduced with co-rotational coordinate method was proposed.

采用共旋坐标法导出钢管混凝土杆单元在大位移、大应变条件下的空间几何、材料非线性耦合的单元切线刚度矩阵；