Running or Opening a Model or Application and Its Documentation
Running an Application
You can run an application built with the Application Builder by clicking  Run application. This button is not activated for models.
Opening a Model or Application
Once you have located the file you want to open — for example, you used a search and it is successful (see Searching the Application Libraries), or you browsed the Application Libraries tree — then to open the file:
It is possible to open and postprocess models that include functionality that you have blocked or that your license does not include. Nodes with functionality that requires a license for a product that is blocked or not available get a License Error subnode (), where you find information about the missing but required product license. Unless you disable or remove such nodes, it is not possible to re-solve such models.
Opening a PDF Document
To read the documentation in PDF format, including step-by-step instructions:
You can enable the Open PDF Document button for a user-library model or application by placing a PDF-file with the same name as the MPH-file in the same folder.
Opening the Application Gallery
The Application Gallery, which is a part of the COMSOL website, provide access to a large number of models and applications, and you can download the MPH-files, PDF documentation, and other related files to extend the application libraries. Click the Application Gallery button () above the application libraries tree to open the Application Gallery in a web browser.