改进声辐射模态模型求解具有位移自由度板声功率灵敏度

摘要

利用改进的声辐射模态模型处理声辐射,利用有限元振动模型处理结构振动,提出一种新的研究具有位移自由度板的声辐射灵敏度求解方法.以四边简支的具有位移自由度板作为数值算例,结果表明该方法是可行的.%A new method to solve the sound power sensitivity of plates with displacement degrees of freedom is proposed by using the improved acoustic radiation modes model to deal with acoustic radiation and using FEM vibration model for vibration analysis to treat the structural vibration .Taking a simply supported plate with displacement degrees of freedom as a simulation example, the simulation results show the validity of the presented method.