作者在流形方法里采用矩形作为数学覆盖，从另一角度提出了一种不同于有限元法的数值分析方法。
In contrast to the finite element method, another form of numerical method which is based on the using of rectangular math covers in manifold method is proposed.
数值流形方法常基于有限元法三结点或四结点单元。
Usually the numerical manifold method (NMM) is based on meshes of three - or four-node element.
应用中心流形理论将二元机翼颤振这一四维系统降为二维系统，用后继函数判别法对分叉点的真假中心及稳定性问题进行了分析。
The type and stability of the bifurcation points in the subsequent reduced two dimensional system are analyzed by the method of succeeding function.
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