Creating a New Model in the COMSOL Multiphysics Reference Manual
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Select New to open the Model Wizard, after selecting a space dimension, go to the Select Physics page.
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From the Home toolbar, click Add Physics (
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Under Chemical Species Transport, navigate to the physics interface to add and double-click it.
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In the Model Wizard, click Add or right-click and select Add Physics (
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After adding the physics interface, you can also edit this information — click the node in the Model Builder, then, in the Settings window under Dependent Variables, specify the information.
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In the Dependent Variables section, enter the Number of species. To add a single species, click the Add Concentration button (
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