SIMULATION SUCCESS STORIES

INSEAN Uses Simulation to Study Structural Vibration

航空航天与国防安全

Francesca Magionesi
INSEAN
Italy

近年来,出现了在船上利用球鼻船首来容纳不同类型声纳系统的设计,但对于结构振动对此类声纳导流罩内换能器系列运转的干扰程度还存在疑问。INSEAN 是意大利造船学研究与实验国家研究所,他们需要使用一种方法来模拟湍流边界层与球鼻船首进行相互作用时发生的情况,目的是确定这样会产生多少自噪声。

他们首先创建了一个小比例模型来捕捉湍流边界层激振,这为他们提供了全比例流体负载表达式。然后他们在 COMSOL Multiphysics 中创建了一个等比例模型,并考虑用于球鼻船首的复合材料的复杂性以及湍流边界层负载。LiveLink™ for Pro/ENGINEER® 使团队能够将球鼻船首不同部分的 CAD 数据导入 COMSOL Multiphysics 。

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