All Solutions
COMSOL Installation Companion
Solution Number: 1077 Versions: All versionsThis 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 versionsI 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 versionsWhat 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 while using an FNL license
Solution Number: 1059 Versions: All versionsI 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 ...
How to Administrate Multiple Floating Network License Files on one License Server
Solution Number: 1058 Versions: All versionsYou can control multiple COMSOL network licenses from the same license server. As a license administrator, you can get full control over who is allowed to use each of the licenses on the network. In this solution we ...
Warning: New Constraint Force Nodes Detected
Solution Number: 1056 Versions: All versionsI get this error message: Warning: New constraint force nodes detected. What does it mean? As is indicated in the message, this is a warning message and not an error message, meaning that your model may be just fine. ...
Error: "Out of memory"
Solution Number: 1030 Versions: All versionsI get an error message, that contains the words Out of memory, for example: Out of memory during LU factorization. or Out of memory during assembly # Background Before resolving this issue, you should go through ...
Updating the COMSOL License Manager
Solution Number: 1022 Versions: All versionsWhen starting COMSOL Multiphysics, I receive this error message: Could not obtain license for COMSOL Multiphysics GUI. License error: -25 License server system does not support this version of this feature ...
License Borrowing
Solution Number: 1016 Versions: All versionsHow do I borrow license keys on a Floating Network License or a Class Kit License? License borrowing means that you can use COMSOL (for a limited time) with a Floating Network License (FNL) or a Class Kit license (CKL) ...
Running COMSOL® in Parallel on Clusters
Solution Number: 1001 Versions: All versionsThis solution describes how you enable distributed parallelization (cluster jobs) in COMSOL Multiphysics®. COMSOL supports two mutual modes of parallel operation: shared-memory parallel operations and distributed ...