The presence of such multiphysics node in the model will enforce the Include geometric nonlinearity option on all applicable study nodes.
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Ampère’s Law, if its material type input is set to Solid. Use this domain feature for solid magnetic materials.
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Coil, if its material type input is set to Solid. You can use this feature to represent current carrying solid domains such as coils and wires.
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Nonlinear Elastic Material (with the Nonlinear Structural Materials Module)
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Hyperelastic Material (with the Nonlinear Structural Materials Module).
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If it is added from the Physics ribbon (Windows users), Physics contextual toolbar (Mac 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 physics interface is chosen in the Model Wizard or Add Physics window, then the two participating physics interfaces are selected.
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If a physics interface is deleted and then added to the model again, then in order to reestablish the coupling, you need to choose the physics interface again from the lists. This is applicable to all multiphysics coupling nodes that would normally default to the once present physics interface. See Multiphysics Modeling Workflow in the COMSOL Multiphysics Reference Manual.
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