The presented method selects only one cyclic symmetric sector of the structure as the finite element calculating model and establishes the complex constrained eigenvalue equation of the sector.
选取结构的任一个循环对称扇区作为有限元计算模型，建立单个扇区复约束特征值方程；
The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.
采用大变形刚塑性有限元法模拟超塑性材料轴对称锥形模约束胀形过程。
For certain geometry constraints, by transforming the constrained degrees of freedom, the reduced unconstrained degrees of freedom finite element solution was obtained.
对于特定的线性几何约束条件，通过对约束条件下的初始自由度进行转换，将有限元方程转换为少自由度的无约束方程进行求解。
应用推荐