利用数值方法研究了正交各向异性材料结构的塑性极限分析问题。
The aim is to calculate the plastic limit loads of structures made of orthotropic materials.
讨论了两种情形：一是各向同性材料的，一是正交各向异性材料的。
Two cases are discussed: one is for isotropic material and the other for orthotropic material.
用高精度三角形板单元有限元程序研究多种正交各向异性材料开圆孔或开方扎夹支方板的自由振动。
The free vibration of orthotropic clamped square plates with a circular or square hole is studied with the help of the program using the high-precision triangular plate bending element.
采用弹性力学理论及正交各向异性材料三维弹性理论，利用相应的强度准则对复合层合管进行强度分析计算。
The strength analysis and calculation have been achieved by use of the linear elastic theory, elastic theory of 3 dimension orthotropic materials and relevant strength criterion.
该方法能够解决正交各向异性复合材料剪切模量的识别等当前复合材料结构性能测试中存在的一些难点问题。
Some problems in the measurement of performance of composite material structures, such as the identification of the transverse shear modulus, can be solved.
以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。
Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
然后采用本文提出的方法识别正交各向异性圆孔方板的材料参数。
The proposed algorithm is used to identify the material parameters of orthotropic plate with a circular hole.
正交各向异性和各向同性材料的应力强度因子均为本文的特例。
The stress intensity factors of both orthotropic and isotropic materials can be obtained from the present results.
运用非线性有限元分析技术，对由多层正交各向异性复合材料组成的某型空气弹簧进行了应力和模态分析。
The Nonlinear Finite Element Analysis was applied to study the stress and modal of an air spring, which is composed of composites with multiple orthotropic materials.
文章对含i型裂纹的正交各向异性功能梯度材料板沿其板厚的弹性常数表达式呈指数函数变化时的应力-应变场进行分析。
In this article, the fracture analysis on mode I crack of orthotropic functionally gradient materials is studied, under which the elastic constants changed exponentially along thickness of the plate.
结合优化技术和边界元分析，针对正交各向异性孔板进行了材料参数的识别。
The present paper deals with the material parameter identification of orthotropic plate with a circular hole by the approach of integrating optimization and boundary element analysis.
正交各向异性多层夹芯层板具有较好的强度、刚度和稳定综合性能，已在一些重要承力结构（如复合材料桥）中应用。
The orthogoi al multilayer sandwich plate which provides considerable strength, stiffness and stability has been used in some important engineering structures, such as the composite material bridge.
在弹性力学求解新体系中，将对偶向量进行重新排序后，提出了一种新的对偶微分矩阵，对于有一个方向正交的各向异性材料的三维弹性力学问题发现了一种新的正交关系。
In a new systematic methodology for theory of elasticity a new dual differential matrix is presented by the dual vectors over again sorted and a new orthogonality relationship is discover.
为此把带有波纹的底板和腹板分别等效为正交各向异性平曲板，并通过拉伸和剪切试验得到了其两个方向的等效材料常数。
The web and flange plates with a large number of corrugations are equivalent to orthotropic curve plates and their equivalent material coefficients are obtained by stretching and shearing experiments.
采用正交各向异性叠层复合材料加筋圆锥壳模型，对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
采用正交各向异性叠层复合材料加筋圆锥壳模型，对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
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