文中阐述了框架结构有限单元各阶动约束模态函数的概念，并用它组成结构有限单元各阶动态形函数矩阵。

The concept of dynamic constraint mode functions for elements of a frame is introduced and it is used to form the dynamic shape function matrixes of each order for the finite elements of a frame.

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文中阐述了框架结构有限单元各阶动约束模态函数的概念，并用它组成结构有限单元各阶动态形函数矩阵。

The concept of dynamic constraint mode functions for elements of a frame is introduced and it is used to form the dynamic shape function matrixes of each order for the finite elements of a frame.

youdao