首页 LMS声学系统软件

LMS声学系统软件

上传者： 41934712 | 上传时间： 2022-07-28 13:42:57 | 文件大小： 7.17MB | 文件类型： RAR
LMS Virtual.Lab声学边界元软件是入门级、易于使用的声学仿真工具，用于预测和改进广泛的各种系统的声音和噪声品质。采用直接模型和嵌入的求解器技术，工程师能够更快地获得结果，并保证其精度。 LMS Virtual.Lab声学边界元软件使用边界元法（BEM），可以有效地将复杂的三维几何模型简化为二维图形。只有结构系统振动或散射声场的表面区域需 要进行建模。边界元模型的尺寸通常只限于几千个单元，同复杂的完整三维有限元模型相比，是更小、易于创建、易于检验，并易于处理的模型。这些简化模型可以 在更短的时间内得出结果，使用户快速地了解其设计的声学品质。 LMS Virtual.Lab声学边界元可以准确地模拟结构声学耦合现象，比如当声源产生结构振动时，这种情况通常都发生在重量较轻的结构上，如发动机压力的强烈变化使发动机进气系统振动，产生额外的辐射噪声。 解决方案可以处理内部和外部辐射噪声问题，并囊括了广泛的应用，如板件的传递损失、电子或家用设备的声音品质、辐射噪声等等。解决方案可以与其它CAE软 件一起运行，并无缝链接ABAQUS、ANSYS、CATIA CAE、I-DEAS、MSC.NASTRAN和PERMAS，是进行更高级、更专门应用的理想起点。

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