弹性力学

In the finite element method for elastic problems, when any two constant-strain elements are geometrically similar in the plane or space coordinates, their coefficients of stiffness are equal or proportional.

在弹性力学的有限单元法中，几何相似的平面或空间等应变元，其劲度系数相等或成一定比例。

In the symplectic system of plane elasticity in rectangular coordinates, by separating variables and abandoning the homogeneous boundary condition, the symplectic solution of a rectangular beam subjected to distributed load in a power function form is obtained.

在弹性力学平面直角坐标辛体系中，采用分离变量法，放弃齐次边界条件，得到了矩形梁侧边受幂函数形式分布荷载问题的辛解答，给出了这类问题在辛体系中的一般解法，分别对矩形梁受法向和切向分布荷载的问题进行了求解，显示了此方法的有效性。

In this paper,the general solution for plane problem of elastic mechanics in polar coordinate system is deduced by separate variable method.

用分离变量法推导出极坐标弹性力学平面问题的一般解，给出了问题的解答全貌，为解决各种具体问题提供了理论基础。

Meanwhile we denote that some problems doesn't possess polynomial solution.

同时指出了在一些情况下弹性力学平面问题是不具有多项式的解答。

Based on the elasticity theory axial symmetry question quasi static, the back lining material stress characteristics were analyzed. Using photoelastic theory and thermal stress theory, the influence of temperature to the optical fiber phase constant was analyzed.

首先从弹性力学轴对称问题的准静态理论出发分析了背衬材料的应力特性，并用光弹理论及热应力理论分析了温度改变对光纤相位常数的影响，得出了温度影响干涉式光纤水听器光学相位输出的数学表达式。

In the paper, up to 4 power of polynomial solutions of plane elasticity are used to interpolate the element dispacement and the 8-node curve quadrilateral rational finite element RCQ8 is derived. Examples show that, it can avoid shear locking and volume locking, and has high accuracy, high efficiency and good stability.

本文采用最高至4次的平面弹性力学的多项式解对单元位移插值，推出了八节点曲边平面理性元RCQ8，若干算例表明，本单元可以避免剪切自锁和体积自锁，具有很高的精度和效率以及数值稳定性。

Reciprocal theorem for non-linear elasticity with finite displacements in rectargular cartesian coordinates is established in this paper and reciprocal theorems for bending of thin plates with large deflections are given.

建立了直角坐标系有限变形非线性弹性力学的倒易定理并给出了大挠度弯曲薄板的倒易定理。

The stress field,especially the orientation of horizontal principal stress in vertically-fractured gas well,determines the azimuth of refracture creation and refracture propagation.

根据弹性力学理论和岩石破裂准则，裂缝总是沿着垂直于最小水平应力方向起裂，因此，重复压裂井中的应力场分布决定了重压新裂缝的启裂和延伸。

A set of theoretical and computational symplectic method is given.

通过研究，使粘弹性力学的理论系统和方法上升到新的平台，探讨出一条求解新的思路，推动该学科以及交叉学科的发展。

Using the elasticity and the singular integral equation method,an analysis of a pure bending beam containing a rigid linear inclusion is carried out under the Saint-Venant s approximation.

使用弹性力学和奇异积分方程方法，在Saint-Venant近似的精度下，对带有刚性线夹杂的纯弯曲直梁作了分析，求得了夹杂两侧的干扰界面应力及夹杂端点的应力强度因子，结果对带夹杂零件的强度设计有参考价值。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。