Comments on: 高效计算穿孔板的声学转移阻抗 - //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate 发布博客 Tue, 06 Jun 2023 07:46:41 +0000 hourly 1 https://wordpress.org/?v=5.7 By: Yuqing Ge //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-22323 Tue, 06 Jun 2023 07:46:41 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-22323 In reply to 向飞 耿.

您好,文中所述方法其实跟入射压强没有关系,也就是说计算的转移阻抗对任何压强都是适用的。

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By: 向飞 耿 //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-22233 Sat, 03 Jun 2023 07:46:01 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-22233 请问如果这个模型想要测量不同声压下的吸声情况该怎么操作呢?

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By: Lei Cao //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-6833 Mon, 28 Jun 2021 08:29:22 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-6833 In reply to 小跳 马.

马小跳, 您好!

感谢您的评论。
案例中所计算的传递阻抗是比阻抗值,其定义在 模型-组件1-定义-变量 中。从定义表达式可知,是由模型物理场变量计算的阻抗与空气阻抗的比值(归一化处理)。若希望获得真实阻抗,只需乘以空气阻抗,或直接将此表达式后部的 “/(rho0*c0)” 删去即可。

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Email: support@comsol.com
谢谢!

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By: 娟 武 //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-6823 Mon, 28 Jun 2021 02:31:24 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-6823 In reply to 小跳 马.

你得到答案了吗?可以分享一下吗

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By: 娟 武 //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-6813 Mon, 28 Jun 2021 02:30:24 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-6813 In reply to 小跳 马.

同问

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By: 小跳 马 //www.denkrieger.com/blogs/efficiently-calculating-the-acoustic-transfer-impedance-of-a-perforate/#comment-6313 Fri, 16 Apr 2021 04:57:57 +0000 http://cn.staging.comsol.com/blogs?p=176131#comment-6313 请问,案例计算中得到的穿孔板转移阻抗是比阻抗值吗,怎么得到穿孔板整个声阻抗

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