用功的互等定理求解三角形板的固有频率

于政文;吕鹏宇;

Reciprocal theorem of work done for the solution of natural frequency of triangular plate

Yu, Zheng-Wen (1); Lü, Peng-Yu (1)

东北大学学报(自然科学版) . 2009, (9): 1365 -1368 . DOI: -