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非匀质简支梁在反对称模态下振动的反问题

Keywords: 振动,反问题,反对称模态,抗弯刚度,非均匀梁

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Abstract:

采用半逆解法,研究了非匀质材料简支梁以反对称模态振动时振动的反问题,并讨论了当梁的横截面积为定值而材料线密度为已知多项式时,如何求解梁的多项式型轴向抗弯刚度系数,同时证明了所得轴向抗弯刚度系数的正值性.

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