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1177: ERROR: hexadecimal value 0x00, is an invalid character

When trying to start COMSOL, I get a long error message that starts with: '.', hexadecimal value 0x00, is an invalid character. at System.Xml.XmlEncodedRawTextWriter.InvalidXmlChar(Int32 ch, Char* pDst, Boolean...
Version: 4.4 - Platform: Windows

1175: COMSOL Interprets Key Strokes as Shortcuts in Linux

I am running COMSOL 4.4 on Linux and when I press certain keys (such as S, N or A) they are interpreted as shortcuts. With the release of the first Update to COMSOL 4.4, this seems to be fixed for most Linux Operating...
Version: 4.4 - Platform: Linux

1174: COMSOL freezes when clicking on the Initial Values node in a...

When clicking on the Initial Values node of the Turbulent Flow interface, the table for entering the initial velocity in the settings window for the Initial Values node starts toggling between 2 different sizes. This...
Version: 4.4 - Platform: Windows

1168: The New Hover-and-Click Selection Method in COMSOL 4.4

How can I select interior surfaces in my geometry in COMSOL 4.4? The new way of selecting geometry objects or geometric entities in COMSOL 4.4 is a one-click selection. To select geometry objects, domains, boundaries,...
Version: 4.4 - Platform: All Platforms

1127: Improving convergence in nonlinear time dependent models

My time dependent model solves without any problem as long as I use only linear materials. How can I get it to converge with a nonlinear material?   When a time dependent solver has trouble converging, its default...
Version: 4.2 - Platform: All Platforms

1118: Resolving time-dependent waves

I am solving a time-dependent wave problem, but the solution does not look quite right. I was expecting a smooth propagating waveform but see mostly noise.   The accuracy in a model solving an equation for...
Version: 4.2 - Platform: All Platforms

1085: Error: File contains no model

I am using COMSOL Multiphysics 4.0. When trying to open a model file, I get an error message saying 'File contains no model'. Model created in a newer COMSOL version The most common reason for this error message is...
Version: 4.0,4.0a,4.1,4.2 - Platform: All Platforms

966: Background and Theory References on Equation-Based Finite Element...

Where can I find documentation on the theoretical background of the algorithms and techniques used by COMSOL Multiphysics for Finite Element Analysis? The COMSOL Multiphysics manuals provide a good deal of theoretical...
Version: 4.1,4.2 - Platform: All Platforms

935: Data import

Can I import measured data in COMSOL? For instance, I have tabulated data for the thermal conductivity at different temperatures, and I have a map of permittivities versus coordinates. How can I get COMSOL Multiphysics...
Version: All versions - Platform: All Platforms

838: Can COMSOL import topological data, meshes and images?

Can COMSOL Multiphysics import meshes, topological data, and images? ##Importing Meshes Simpleware and Mimics can export volumetric meshes created from 3D scans, that can be directly imported into COMSOL. (...
Version: All versions - Platform: All Platforms