Comments on: 混凝土墙的声传输损耗仿真 - //www.denkrieger.com/blogs/modeling-sound-transmission-loss-through-a-concrete-wall 发布博客 Thu, 26 Sep 2024 15:31:07 +0000 hourly 1 https://wordpress.org/?v=5.7 By: Hao Li //www.denkrieger.com/blogs/modeling-sound-transmission-loss-through-a-concrete-wall/#comment-18981 Mon, 10 Oct 2022 09:42:39 +0000 http://cn.staging.comsol.com/blogs?p=241541#comment-18981 In reply to 林 汪.

您好，粉噪是由人耳对各个频率响度不同而确定的，您可以根据A计权，写出声源关于频率的函数从而定义。
PS：写出关于频率的初始声源（声压）后，再加上随机函数以添加相应的“噪声”。

]]> By: 林 汪 //www.denkrieger.com/blogs/modeling-sound-transmission-loss-through-a-concrete-wall/#comment-18873 Wed, 05 Oct 2022 07:40:33 +0000 http://cn.staging.comsol.com/blogs?p=241541#comment-18873 您好，请问一下，声源为某dBA的粉躁在COMSOL怎么设置啊？

]]> By: hao huang //www.denkrieger.com/blogs/modeling-sound-transmission-loss-through-a-concrete-wall/#comment-17963 Wed, 06 Jul 2022 07:40:04 +0000 http://cn.staging.comsol.com/blogs?p=241541#comment-17963 In reply to 杲 宋.

感谢您的评论，关于您的问题相对比较复杂，可以将问题及模型详细描述一下发送到技术支持邮箱 support@comsol.com

]]> By: 杲 宋 //www.denkrieger.com/blogs/modeling-sound-transmission-loss-through-a-concrete-wall/#comment-17953 Wed, 06 Jul 2022 07:17:31 +0000 http://cn.staging.comsol.com/blogs?p=241541#comment-17953 您好，请问如果是测试样本对声源侧的声场影响很大，具有高吸声特性的相对刚性结构建模时应该怎样设置呢？，谢谢

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