すべてのソリューション

BDF, Generalized Alpha, and Runge-Kutta Methods

ソリューション番号: 1062 バージョン: すべてのバージョン

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 while using an FNL license

ソリューション番号: 1059 バージョン: すべてのバージョン

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 ...


How to Administrate Multiple Floating Network License Files on one License Server

ソリューション番号: 1058 バージョン: すべてのバージョン

You 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

ソリューション番号: 1056 バージョン: すべてのバージョン

I 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"

ソリューション番号: 1030 バージョン: すべてのバージョン

I 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

ソリューション番号: 1022 バージョン: すべてのバージョン

When 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

ソリューション番号: 1016 バージョン: すべてのバージョン

How 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

ソリューション番号: 1001 バージョン: すべてのバージョン

This 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 ...


Error: Internal Error in Geometry Decomposition

ソリューション番号: 983 バージョン: すべてのバージョン

Why do I get the error message “Internal error in geometry decomposition”? This error means that COMSOL Multiphysics failed to resolve the geometry relations. If your geometry consists of several objects, the objects ...


My Flux Calculation Seems Wrong

ソリューション番号: 973 バージョン: すべてのバージョン

I am solving a diffusion-like problem in COMSOL Multiphysics and discovered that boundaries that are defined with insulation/symmetry conditions have an integrated value of the normal component of the flux that is far ...