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830: Handling large models

Models with many domains, boundaries, and physics features are slow to work with. Large models can contain hundreds or even thousands of domains, boundaries, and physics features. Such a large number of features...
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828: Obtaining a HostID for licensing

How do I obtain a HostID for my license file? For many license types in the COMSOL product family, your COMSOL sales representative will ask you for some information in order to create installation codes. COMSOL uses...
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816: How do I solve a PDE with space derivatives of order higher than two?

How do I solve a PDE with space derivatives of order higher than two? For example, the equation for a function . Introduce names for the second derivatives of u, say . Then the equation can be written . You can...
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103: Improving Convergence of Nonlinear Stationary Models

Stationary (time-invariant) models with nonlinearities may converge very slowly. A nonlinearity can be introduced into the model either in the governing equation, or by making any of the material properties, loads, or...
Version: All versions - Platform: All Platforms