By using improved variational method, the internal energy per plaquette and the specific heat curves of the Tangent action in SU(2) lattice gauge theory arc worked out.
利用改进变分法求出了正切作用量的四维SU_（2）格点规范理论的元格内能和比热曲线。
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
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