All Solutions

Structural Contact Modeling Guidelines

Solution Number: 1102 Applies to: MEMS Module, Structural Mechanics Module Versions: All versions

This article contains guidance for solving models that include structural contact, and the procedures that should be followed to achieve a converged solution. Background Structural contact modeling is a highly non ...


Uploading large files to your support case

Solution Number: 1098 Versions: All versions

Email servers may reject larger file attachments. If you want to provide COMSOL staff with model files larger than 10 MB, you can create an FTP directory to upload them. First, see if you can reduce the size of the ...


COMSOL and Multithreading

Solution Number: 1096 Versions: All versions

This solution describes how COMSOL takes advantage of multicore computers. COMSOL supports two mutual modes of parallel operation: shared-memory parallelism and distributed-memory parallelism (cluster support). Shared ...


Error: Failure loading MATLAB libraries. This model requires that MATLAB is available.

Solution Number: 1093 Versions: All versions

When trying to run a COMSOL model, the following error message appears: Failure loading MATLAB® libraries. This model requires that MATLAB is available. When calling external MATLAB functions, COMSOL automatically ...


Installing COMSOL on Linux

Solution Number: 1086 Versions: All versions

This solution provides some tips and troubleshooting guides for installation on the Linux platform. For basic installation information, please refer to the COMSOL Multiphysics Installation Guide ##Verify that a ...


Error: An error has occurred. See the log file C:\Users...

Solution Number: 1083 Applies to: COMSOL Multiphysics Versions: All versions

When I install or start COMSOL I get the following error message on Windows (or a similar message on Linux): An error has occurred. See the log file C:\Users\my_name\.comsol\v55\configuration\comsol\1234123423424.log. ...


COMSOL Installation Companion

Solution Number: 1077 Versions: All versions

This article walks you through installing COMSOL Multiphysics. This article summarizes the installation process. For complete installation and operating instructions, see the COMSOL Multiphysics® Installation and ...


Problems running a classkit license (CKL)

Solution Number: 1078 Versions: All versions

I just received the new installation package and installed COMSOL including the new license manager files for my Class Kit option License file (CKL). When I start COMSOL I get one of these error messages: Could not ...


BDF, Generalized Alpha, and Runge-Kutta Methods

Solution Number: 1062 Versions: All versions

What numerical methods are available when using a Time-Dependent Solver? What are their relative benefits and when should I use them? The Time-Dependent Solver offers three different time stepping methods: The ...


Error: Licensed number of users already reached

Solution Number: 1059 Versions: All versions

I have a floating network license and get an error message dialog box  containing the phrase: Licensed number of users already reached I am quite sure that nobody else on the network is using the license. The detailed ...