This paper introduces a finite element method of the plane trusses with elastic node. The element stiffness matrix and loading matrix are calculated in detail.
研究了弹性结点有限元方法，详细导出了弹性结点杆件的单元刚度矩阵和常见荷载列阵。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
The fundamental equations in finite element method for unsteady temperature field elastic plane problem are derived on the bases of variational principle of coupled thermoelastic problems.
在耦合热弹性问题变分原理的基础上，导出非定常温度场热弹性平面问题的有限元法基本方程。
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