1) Coupled acoustic field
耦合声场
2) coupled structure-acoustic system
结构-声场耦合
1.
The relationship of left eigenvector and right eigenvector is deduced based on the finite element model of coupled structure-acoustic system and prove that the eigenvalue of this system is real number although the coupled matrix is non-symmetry.
结构-声场耦合振动在工业领域广泛存在,其理论分析和数值方法对车辆、船舶等内部降噪设计有重要意义。
4) interior coupled acoustic field
车内耦合声场
1.
The interior coupled acoustic field of the car was predicted.
建立了含门窗的车身结构有限元模型、车内声场有限元模型及结构—声场耦合模型,进行了车内耦合声场预测;建立了拓扑优化分析模型,对关键板件加强筋的位置和截面尺寸进行了优化;另外,对板件厚度也进行了优化分析,优化后车内声压主要峰值降低2dB(A)～3dB(A)。
2.
A finite element model for the car body including doors and windows,a finite element model for the car interior acoustic field,and a coupled structure-acoustic model were built and the car interior coupled acoustic field was predicted.
建立了含门窗的车身结构有限元模型、车内声场有限元模型及结构-声场耦合模型,进行了车内耦合声场预测。
5) sound cavity-structure model
声场-结构耦合
1.
Analysis on high frequency vibration isolation of coupled sound cavity-structure model based on statistical energy method
基于统计能量法的声场-结构耦合模型高频振动隔振分析
6) structure-acoustic coupling field
结构-声耦合场
1.
Sound loudness of structure-acoustic coupling field in an enclosed cavity
封闭空腔结构-声耦合场内响度研究
补充资料：混响声场
见声场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条