梁在固有振动中的对偶关系 1)
胡海岩(
)
)
DUALITY RELATIONS OF BEAMS IN NATURAL VIBRATIONS 1)
Hu Haiyan()
)
图2. $\alpha = 2 / L$时异截面对偶梁的最大位移归一化振型(第一阶：黑色,第二阶：红色,第三阶：蓝色)
Fig. 2. The normalized displacement mode shapes of a dual of beams of different cross-sections for $\alpha= 2 / L$ (the 1st order: black, the 2nd order: red, the 3rd order: blue)
