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If it is added from the Physics ribbon (Windows users), Physics contextual toolbar (macOS and Linux users), or context menu (all users), then the first physics interface of each type in the component is selected as the default.
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If it is added automatically when The Nonlinear Magnetostriction Interface is selected in the Model Wizard or Add Physics window, then the participating Solid Mechanics and Magnetic Fields interfaces are selected.
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Hyperelastic Material (with the Nonlinear Structural Materials Module).
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When this coupling node is used as a part of The Nonlinear Magnetostriction Interface multiphysics interface, the Ampère’s Law, Nonlinear Magnetostrictive feature under the corresponding Magnetic Fields interface also contains an input for the saturation magnetization. That input will then become inaccessible (grayed out), and the value entered at this coupling node will be used in all computations.
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