By Roger W. Pryor

Multiphysics Modeling utilizing COMSOL swiftly introduces the senior point undergraduate, graduate or specialist scientist or engineer to the artwork and technology of automatic modeling for actual structures and units. It bargains a step by step modeling method via examples which are associated with the basic legislation of Physics via a primary ideas research process. The textual content explores a breadth of multiphysics types in coordinate platforms that diversity from 1D to 3D and introduces the readers to the numerical research modeling strategies hired within the COMSOL?® Multiphysics?® software program. After readers have equipped and run the examples, they're going to have a far more impregnable realizing of the techniques, abilities, and advantages obtained from using automated modeling recommendations to unravel their present technological difficulties and to discover new components of program for his or her specific technological parts of curiosity.

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**Sample text**

4. Select Options > Materials/Coefficients Library. 2. The modeler can determine if the items in the Material Library Module are available by viewing the list in the Materials selection window. 3 Materials/Coefficients Library Materials selection window Materials selection list is Model (0), which indicates that none of the materials in any of the libraries have been selected for use in the current model. The second entry in the Materials selection list is Material Library (2542); it indicates that 2542 materials are available to be selected for use in the current model.

Suppose, for example, the modeler is interested in the properties of copper and copper alloys. He or she would follow these steps: 1. Enter “copper” in the Search string window. 2. Click the Search button. The search results show 87 possible materials are in the library. 4. 5 Materials/Coefficients Library, UNS C10100 Material properties window 3. Select Copper Alloys (84) > UNS C10100. 4 This high-quality copper is widely used in the electronics industry. The properties of UNS C10100 are shown in the Material properties display window.

4. Click the FIND button to the right of the selected material number. 13. 5. Using the Task pull-down list in the menu bar, create a folder named Copper. 6. Select item 1. 14. 7. Select “Export to COMSOL” from the task list in the menu bar. The available properties values for UNS C10100 are exported as a text file to the modeler’s computer. 15. The exported file can be directly imported into COMSOL Multiphysics as follows: 1. Open COMSOL Multiphysics in the application mode of choice. 2. Using the menu bar, select Options > Materials/Coefficients Library.