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GGU-SLAB: "Interpolation mesh" menu item

In principle, the subgrade reaction moduli can be completely defined using the previous menu items. A further defining simplification is offered by the interpolation mesh. Similarly to the FEM mesh, this interpolation mesh consists of nodes and triangles. Certain subgrade reaction moduli can be defined at the nodes. After defining an interpolation mesh you can assign the thus defined subgrade reaction modulus profile to the underlying FEM mesh. These are assigned by means of linear interpolation. The interpolation mesh should (but not must) completely cover the FEM mesh. In the simplest case possible, this may consist of one triangle.

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