To Add Physics and Add Mesh to the Component, from the Home toolbar, or for any operating system, right-click the Component node. See The Add Physics Window, and Meshing Overview for more information.
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Right-click the root node (the topmost node) in the Model Builder and select Add Component (see The Root Settings Windows).
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In The Model Wizard on the Select Space Dimension page, select 3D, 2D axisymmetric, 2D, 1D axisymmetric, or 1D. Continue defining the model as in Creating a New Model.
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In the first case, an Insert Components dialog box appears where you can browse or type the path and name of the COMSOL Multiphysics model file from which you want to insert model components in the Model field. Select one or more of the components in the model from the Components list and then click OK to insert them into the current model.
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In the last case, a fullscreen Select Model window opens, where you can insert model components from an existing database, add a new database, or browse for a model to insert components from. See also The Select Model Window.
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Existing components in the open model may conflict with the inserted ones. In such cases, the inserted component will be renamed (for example, from comp1 to comp2). Because inserting a component also inserts many other nodes (geometry, physics, materials, coordinate systems, and so on), these will also be renamed if there are existing ones in the open model.
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Definitions: Contains user-defined variables, selections, views, pairs, functions, probes, nonlocal couplings, and coordinate systems, which are defined locally for the model. See Global Definitions, Geometry, Mesh, and Materials for information about using these local Definitions () and Global Definitions (). Use Global Definitions to define Parameters, Variables, Functions, and loads and constraint groups with a global scope — that is, groups that are not specific to one Component node.
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Geometry (): Contains the sequence of geometric objects and operations (or imported CAD data) that defines the model geometry.
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Physics interfaces (): Any added physics interface displays as a node under Component (Solid Mechanics in Figure 3-1 for example).
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Multiphysics (): When a multiphysics interface is added to the Model Builder, this node contains all the relevant multiphysics coupling features for that interface. See Multiphysics Modeling Workflow for more information.
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Meshes (): Contains the sequences of meshing operations that defines the computational meshes for the model. When there is only one mesh in the model, its Mesh node appears directly under the Component node.
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You cannot use the variable for the time, t, as a frame coordinate name.
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If you have opened a model originally created in version 5.2 or earlier, click the Permanently Define All Frames button to, for example, enable the possibility to use a deformed geometry manually.
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