通过位移形函数假设，采用伽辽金积分方法得到了时间变率的动力学控制方程；
By supposing the displacement shape functions and applying the Galerkin method, the dynamical equations with respect to time were gained.
在有限单元法中，形函数用于描述单元内位移分布，决定着单元的特性。
Shape function used for describing displacement distribution in element determines the speciality of the element in the finite element methods.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定了单元耦合形函数。
The element coupling shape function matrices are derived by means of geometrically nonlinear strain displacement relation under small deformation assumption.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定单元耦合形函数。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
本文通过建立节点位移和广义位移之间的关系对移动最小二乘形函数进行修正，给出了修正的移动最小二乘形函数；
The modified MLS shape function, for alleviating the above problem, is given by establishing the relationship between the nodal value and the generalized displacement.
本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
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