Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
以其解析式作为形函数，利用刚度系数的定义，推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived.
推导了轴对称线性三角形元的影响系数矩阵和输入向量公式；
The factors such as matrix and technology that influence the thermal stability of polymeric composite PTC(Positive Temperature Coefficient) material were studied.
研究了基体、工艺等影响高分子复合型PTC材料稳定性的因素。
The inverse kinematics solution of the driving limbs is given. Influence coefficient matrix of the PMT are educed.
对中间约束支链和五驱动支链分别进行了运动学分析，并求出五驱动支链的反解。
The inverse kinematics solution of the driving limbs is given. Influence coefficient matrix of the PMT are educed.
对中间约束支链和五驱动支链分别进行了运动学分析，并求出五驱动支链的反解。
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