All Solutions
Two-Phase Flow Modeling Guidelines
Solution Number: 1239 Applies to: CFD Module, Microfluidics Module Versions: All versionsMy model includes Two-Phase Flow, Level Set or the Two-Phase Flow, Phase Field interface and it is either not converging, taking a very long time to solve, or not converging to a reasonable result. This article ...
Manually Setting the Scaling of Variables
Solution Number: 1240 Versions: All versionsThe default behavior of the software is to assume a different scaling for each set of variables in your model. These scale factors are by default automatically determined, but sometimes may need to be manually tuned. ...
Reducing the size of your COMSOL Multiphysics file
Solution Number: 1238 Versions: All versionsI would like to reduce the size of my COMSOL Multiphysics model file. 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 ...
Problems Launching COMSOL Server™ 5.3 with MATLAB®
Solution Number: 1236 Applies to: COMSOL Server Versions: 5.3In Windows®: I have a COMSOL Server™ License with LiveLink™ for MATLAB®. When attempting to launch LiveLink™ for MATLAB® using the desktop icon COMSOL Server 5.3 with MATLAB, COMSOL Server™ starts listening correctly ...
An error is returned when running mphlaunch and mphstart
Solution Number: 1234 Versions: 5.3If the COMSOL 5.3 installation path contains a space, an error is returned when running the functions mphstart and mphlaunch at the MATLAB prompt. The error returned when running mphlaunch is: 'C:\Program' is not ...
Selecting Entities by Index Number
Solution Number: 1232 Applies to: COMSOL Multiphysics Versions: All versionsI am following the step-by-step instructions for building an example COMSOL Application and the directions specify a numeric list of entities ( such as boundaries or domains ) to select. How do I find out which ...
Set Up Access to a COMSOL Server Installation
Solution Number: 1227 Applies to: COMSOL Server Versions: All versions## Basic structure of COMSOL Server A COMSOL Server setup consists of a Client through which the user can access and run the applications, a primary server in which the client access is handled, and application servers ...
Undefined Variable
Solution Number: 1204 Versions: All versionsThe following error occurs: "Undefined variable." This error indicates that a variable used in some setting is undefined. It might be a spelling error, or a name of a variable that has not been defined or that is not ...
How to reference COMSOL Multiphysics® software in papers and publications
Solution Number: 1223 Versions: All versionsI 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 is ...
Repairing the LiveLink Interface Using the COMSOL Installer
Solution Number: 1221 Applies to: LiveLink for AutoCAD, LiveLink for Excel, LiveLink for Inventor, LiveLink for PTC Creo Parametric, LiveLink for PTC Pro/ENGINEER, LiveLink for Revit, LiveLink for Solid Edge, LiveLink for SOLIDWORKS Versions: All versionsMy LiveLink interface is not working properly. For example: When I try to synchronize my CAD drawing, I get an error that the connection has failed. The COMSOL Multiphysics tab or menu does not appear in the CAD ...