In general, to add a node, go to the Physics toolbar, no matter what operating system you are using. Subnodes are available by clicking the parent node and selecting it from the Attributes menu.
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In general, to add a node, go to the Physics toolbar, no matter what operating system you are using. Subnodes are available by clicking the parent node and selecting it from the Attributes menu.
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Volume Force (described for The Laminar Flow Interface)
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The sections describe the available boundary conditions for the liquid and the gas. In all equations, n denotes the outward pointing unit vector normal to the boundary.
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Wall (the default boundary condition)
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Gas Concentration (the default condition for inlets)
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Gas Outlet (the default condition for outlets)
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No Gas Flux (the default condition for walls)
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For 2D axisymmetric components, COMSOL Multiphysics takes the axial symmetry boundaries (at r = 0) into account and automatically adds an Axial Symmetry node that is valid on the axial symmetry boundaries only.
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