该单元每个节点有五个自由度，适用于各向同性、正交异性和层合板壳的线性、非线性及稳定性有限元分析。
The element, possessing five degrees of freedom per node, is suited for linear, nonlinear and nonlinear stability finite element analysis of isotropic, orthotropic and laminated plates and shells.
分析了在应用有限元强度折减法计算土质边坡稳定安全度时，屈服准则对计算结果的影响。
In computing safety degree of the soil slope stability by nonlinear FEM strength reduction method, the influence of yield criterion on the calculation results is analyzed.
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