目前，在CAD系统中，一般采用特征表示和边界表示的混合表示方法，以充分利用两种表示法的优点。
At present, the CAD system always USES hybrid representations of feature representation and boundary representation in order to take advantages of both representations.
本文指出，有限元位移法自动保辛，有限元混合能表示也保辛。
The FEM displacement method is naturally symplectic conservative, the mixed energy representation is also shown symplectic conservative.
本文指出，有限元位移法自动保辛，有限元混合能表示也保辛。
The FEM displacement method is naturally symplectic conservative, the mixed energy representation is also shown symplectic conservative.
应用推荐