Comments on: 如何在 COMSOL Multiphysics® 中计算电容矩阵 - by COMSOL //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics 发布博客 Thu, 14 Aug 2025 16:45:51 +0000 hourly 1 https://wordpress.org/?v=6.7.2 By: 禄水 苏 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-44493 Thu, 14 Aug 2025 16:45:51 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-44493 In reply to 没延 韩.

感谢您的解惑!祝好!

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By: 没延 韩 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-44433 Wed, 13 Aug 2025 03:49:19 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-44433 In reply to 哲 刘.

这类模型建议先用稳态源扫描的方法让软件自动生成一个计算组。

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By: 没延 韩 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-44423 Wed, 13 Aug 2025 03:46:49 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-44423 In reply to 禄水 苏.

这样说可能并不准确。举例说明,我们电感器是1饼5匝绕组,那么我们能得到两个5×5的电容矩阵(互电容矩阵和麦克斯韦电容矩阵)。建模时必须要有接地点,可以是无限远处空气外边界。互电容矩阵中,主对角线是纯粹的对地电容,你这种场景下可能很低,非对角线上是匝和匝之间的电容大小。麦克斯韦电容矩阵非对角线电容和互电容矩阵一样只是方向相反。匝与匝间的电容就是非对角线元素。麦克斯韦电容矩阵主对角线Cii是i匝对地电容和所有Cij的相加。

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By: 禄水 苏 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-43993 Mon, 21 Jul 2025 05:45:22 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-43993 您好,如果想仿真计算得到环形电感线圈的匝间电容,使用博客中的方法得到的自电容是线圈匝间电容的等效电容吗

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By: 哲 刘 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-17943 Tue, 05 Jul 2022 06:39:17 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-17943 同样的方法建立对极板电容的模型后,无法使用全局矩阵提取麦克斯韦电容矩阵
1.全局矩阵没有预表达式
2.偶尔可以的时候,提取出的麦克斯韦电容矩阵不含C12

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By: 登锋 祝 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-9503 Sat, 25 Dec 2021 02:18:56 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-9503 thanks

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By: 锋 张 //m.COMSOL.com/blogs/how-to-calculate-a-capacitance-matrix-in-comsol-multiphysics/#comment-6003 Wed, 24 Feb 2021 08:12:37 +0000 http://cn.staging.comsol.com/blogs?p=200861#comment-6003 great!

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