Solver

What does degrees of freedom (DOFs) mean in COMSOL Multiphysics?

Solution Number: 875 Versions: All versions

What does degrees of freedom (DOFs) mean in COMSOL Multiphysics? The solution time and memory requirements are strongly related to the number of degrees of freedom in the model. It is often desirable to be able to ...


Handling large models

Solution Number: 830 Versions: All versions

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 ...


Modeling of step transitions

Solution Number: 905 Versions: All versions

You may want to define loads, material properties, or boundary conditions that vary abruptly with respect to the solution, or with respect to time. This can, however, lead to a solution which is discontinuous in space ...


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