CAJ | 학술논문

为了能定量优化设备激振力布置，基于结构有限元耦合流体边界元法给出了力辐射模态的计算方法，分析了圆柱壳结构的力辐射模态特性。根据分析结果提出了对圆柱壳辐射噪声进行控制所需的激振力控制原则，并采用数值预报的方法证实了该原则的有效性。
위료능정량우화설비격진력포치，기우결구유한원우합류체변계원법급출료력복사모태적계산방법，분석료원주각결구적력복사모태특성。근거분석결과제출료대원주각복사조성진행공제소수적격진력공제원칙，병채용수치예보적방법증실료해원칙적유효성。
To optimize the configuration of mechanism excitation ,an approach to calculating the force radiation modes is proposed based on the finite element coupling fluid boundary element method .T he analysis of the force radiation modes of a cylindrical structure results in the guiding principle necessary to acoustic reduction .T he principle is proved to be effective by numerical prediction .