技术支持知识库

General Solutions

1259: How can I implement a user-defined Multiphysics coupling?

I would like to define my own customized coupling between two existing physics interfaces. How can I do this? How can I find the names of the variables that I will need to use? How can I see the names of all variables...
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1257: Solving electromagnetic heating models with high-frequency loads

I am solving a Multiphysics problem involving electromagnetics and heat transfer. The electromagnetic fields are varying at a constant frequency, and the period is very short compared to the timespan over which the...
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1250: Running parametric sweeps, batch sweeps, and cluster sweeps from...

This solution describes how to launch a parametric sweep, a batch sweep, or a cluster sweep simulation in COMSOL Multiphysics® from the command line. Short Summary Model methods are presented as a concept to modify...
版本: All versions - 平台: All Platforms

1249: Solution number is out of range

You compute a distributed parametric sweep on a cluster. When processing the results some values are missing or you get errors such as "The solution number is invalid" or "Solution number is out of range". This issue...
版本: 5.3a - 平台: All Platforms

1248: When changing the value in the Expression cell in my table, the...

I am running COMSOL Multiphysics on Windows, and when trying to change the value in the Expression cell in one of my tables, the value is not updated.This issue in the Expression cells of all tables where there is...
版本: 5.2a,5.3,5.3a - 平台: Windows

1243: 内存不足

出现“内存不足”错误。 在可用内存(RAM 和虚拟内存)中,有一部分(Java 堆)保留用于...
版本: All versions - 平台: All Platforms

1238: 减少 COMSOL Multiphysics 文件大小

我希望减小 COMSOL Multiphysics 模型文件的大小。 There are several things that you can do to reduce the file size: First, COMSOL saves files in either a compressed or uncompressed state. You can switch...
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1232: 按索引号选择实体

我正在按照构建 COMSOL App 示例的分步操作说明进行操作,其中指出,指定要选择的实体(如边界或域)的数值列表。如何找到这些边界,以及如何选择它们? The...
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1223: How to reference COMSOL Multiphysics® software in papers and...

I am a licensed user of COMSOL Multiphysics® software and am publishing an article, paper, book, image, or conference proceeding based upon my own modeling work. How should this be referenced? As a licensed user who...
版本: All versions - 平台: All Platforms

1216: The usage of Form Union and Form Assembly

There is an option to Form Union or Form Assembly at the end of the Geometry sequence. What does this mean and when should I switch between them? The Geometry branch within the Model Builder consists of a sequence of...
版本: All versions - 平台: All Platforms