1·This paper solves problems of geometrically nonlinear bending of very flat and thin orthotropic shell under transverse load with least square method of collocation.
本文用最小二乘配置法求解正交异性极扁薄壳承受横向载荷作用下几何非线性弯曲问题。
2·Due analysis has been made and it is found that the nonlinear energy release rate of orthotropic plate with a, crack is dependent on the biaxial load factor.
本文分析双向加载下正交异性裂纹板的非线性能量率，指出所研究的裂纹板的非线性能量释放率与双向加载因子有关。
3·The element, possessing five degrees of freedom per node, is suited for linear, nonlinear and nonlinear stability finite element analysis of isotropic, orthotropic and laminated plates and shells.
该单元每个节点有五个自由度，适用于各向同性、正交异性和层合板壳的线性、非线性及稳定性有限元分析。
4·The theory of J integral near cack tip in the plate of linear elastic orthotropic composite material are systematically studied in this paper.
本文对线弹性正交异性复合材料单层板裂纹尖端附近的J积分进行了系统的理论研究。
5·A new time-mode approach to nonlinear axisymmetric free vibrations of cylindrically orthotropic thin shallow spherical shells is presented in this paper.
本文给出了一种研究圆柱正交异性扁薄球壳非线性轴对称自由振动的新的时间模方法。