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When I open a 3D model from the model library, or create a a 3D object, for example by extrusion of a circle, or try to view a 2D mesh, I get an error message that includes any of the following strings: Error: 9040...
Version: 3.5a - Platform: All Platforms

When plotting the normal flux through the boundaries in my model, I am surprised to see that two adjacent boundary segments have opposed flux. This is clearly not physically possible. Why does this happen and what can...
Version: 3.5a - Platform: All Platforms

I get an error message, that contains the words Out of memory, for example: Nonlinear solver did not converge.Time: 0Out of memory during LU factorization.Last time step is not converged. or Failed to find consistent...
Version: 3.5a,4.0,4.0a,4.1,4.2,4.2a,4.3 - Platform: All Platforms

How can I see both the mesh and the solution of my COMSOL Multiphysics model? ##COMSOL 4 To plot the mesh together with a solution in COMSOL 4: * Start by creating a 3D or 2D Plot group showing the solution you are...
Version: 3.5a,4.0,4.0a,4.1,4.2,4.2a,4.3,4.3a - Platform: All Platforms

How do I make a 3D plot from an axisymmetric 2D calculation? COMSOL 4 In COMSOL version 4.2 and later, axisymmetric physics interfaces will create a default 3D plot by revolving the 2D axisymmetric solution 270 degrees...
Version: 3.5a,4.0,4.0a,4.1,4.2,4.2a,4.3 - Platform: All Platforms

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...
Version: 3.5a,4.0,4.0a,4.1,4.2 - Platform: All Platforms

How do I compute integrals over space or time? What if I want to use the result of these integrals elsewhere in my model? Evaluating Integrals Space Integrals If you have solved a model and want to calculate a spatial...
Version: 4.2a - Platform: All Platforms

Is it possible to get a slice plot at some other angle, i.e. not parallel to the coordinate planes? Can I even change its shape? COMSOL 4: There are two Plane types for slices: Quick and General. The latter is used to...
Version: 3.5a,4.0,4.0a,4.1,4.2 - Platform: All Platforms

COMSOL 4 A surface integral can be evaluated over a set of domains in 2D, 2D axisymmetric, boundaries in 3D, or using any 2D Data Set evaluated from a solution. In the Model Builder, under Results, right-click Derived...
Version: 3.5a,4.0,4.0a,4.1,4.2 - Platform: All Platforms

How do I plot contour lines on slice plots, isosurface plots, and on my boundary plots? ##COMSOL 4 Define **Data Sets** for the slices, isosurfaces and boundaries by right-clicking the **Data Sets** node. Add...
Version: 3.5a,4.0a,4.1,4.2,4.2a,4.3,4.3a - Platform: All Platforms

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