To enable this option in the context menu, click the Show More Options button (
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) and select
Multigrid Level in the
Show More Options dialog box. Then right-click any of the
Study Step nodes to add a
Multigrid Level (
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) node, which specifies the geometric multigrid level used by the study.
Select a Physics interface. In the
Discretization list, you can specify which discretization to use (defined in the main physics interface’s
Settings window or in any added
Discretization node; see
Discretization (Node)). Changing the discretization can affect the discretization order used by this study. You have to add the discretization you want to use in the physics interface.