This COMSOL Multiphysics Reference Manual provides comprehensive information about all modeling steps using COMSOL Multiphysics. See the individual module manuals for information specific to a specialized module (see The COMSOL Modules and Interfacing Options for a link to the COMSOL website).
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As detailed in the section COMSOL Documentation and Help this information can also be searched from the Help system in COMSOL Multiphysics.
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The COMSOL Modeling Environment chapter provides an overview of the COMSOL modeling environment as controlled by the COMSOL Desktop and the tools and windows it provides in the Windows version as well as the cross-platform version. Topics include The COMSOL Desktop, The Application Libraries Window, The Physics Interfaces, Creating a New Model with the Model Wizard, and a key to the icons including links in the Toolbars and Keyboard Shortcuts section.
Building a COMSOL Multiphysics Model explains a range of methods and topics including information about the following: details about an introduction to The Model Builder, The Component Node, The Physics Nodes, Selecting Physics Interfaces, Analyzing Model Convergence and Accuracy, Specifying Model Equation Settings, Boundary Conditions, Using Units, Numerical Stabilization, and much more.
In the chapter Customizing the COMSOL Desktop, the settings are described related to Customizing a Model, changing Preferences Settings, and details about the Advanced Physics, Study, and Results Sections.
The Global and Local Definitions chapter describes the global and local (component) definitions features. Depending on the geometric scope, you add the nodes described in this section to either the Global Definitions node or under the Definitions node for a particular component. Topics include Operators, Functions, and Constants, Predefined and Built-In Variables, Mass Properties, Functions, Component Couplings and Coupling Operators, Coordinate Systems, Identity and Contact Pairs, Probes, and Infinite Elements, Perfectly Matched Layers, and Absorbing Layers.
The Visualization and Selection Tools chapter describes the tools used to visualize and control how you view models and select parts of the model geometry in the Graphics window and the Settings windows. Important topics include Working with Geometric Entities, Named Selections, and User-Defined Views.
The Geometry Modeling and CAD Tools chapter covers geometry modeling in 1D, 2D, and 3D with examples of solid modeling, boundary modeling, Boolean operators, and other CAD tools in COMSOL. In addition, it shows how to use the tools for exploring geometric properties, such as volumes and surfaces. There is also information about using external CAD data. Topics include Creating a Geometry for Analysis, Working with Geometry Sequences, Geometric Primitives, Geometry Operations, and Virtual Geometry and Mesh Control Operations.
The Meshing chapter summarizes how to create and control your mesh for 1D, 2D, and 3D geometries in the COMSOL software. It also explains these topics, which include: Creating a Mesh for Analysis, Meshing Techniques, Meshing Operations and Attributes, and Importing and Exporting Meshes.
The Materials chapter introduces you to the material databases included with the COMSOL products. Topics include a Materials Overview, Working with Materials, Material Properties Reference, User-Defined Materials and Libraries, Using Functions in Materials, and Module-Specific Material Databases.
The AC/DC Interfaces chapter explains the physics interfaces available for modeling electromagnetics, which you find under the AC/DC branch (
) when adding a physics interface. It also contains sections about general fundamentals and theory for electric fields.
) when adding a physics interface. It also contains sections about general fundamentals and theory for electric fields. The The Pressure Acoustics Interface chapter describes how to use the Pressure Acoustics, Frequency Domain interface, found under the Acoustics branch (
) when adding a physics interface, for modeling and simulation of acoustics and vibrations.
) when adding a physics interface, for modeling and simulation of acoustics and vibrations.The The Chemical Species Transport Interfaces chapter explains how to use the Transport of Diluted Species interface, found under the Chemical Species Transport branch (
) when adding a physics interface, to model and simulate mass transfer by diffusion and convection based on Fick’s law of diffusion.
) when adding a physics interface, to model and simulate mass transfer by diffusion and convection based on Fick’s law of diffusion.The The Fluid Flow Interface chapter explains how to use the Laminar Flow interface, found under the Fluid Flow>Single-Phase Flow branch (
) when adding a physics interface, to model and simulate fluid mechanics for laminar, incompressible fluids.
) when adding a physics interface, to model and simulate fluid mechanics for laminar, incompressible fluids. The The Heat Transfer Interfaces chapter describes the different types of Heat Transfer interfaces (Heat Transfer in Solids and Heat Transfer in Fluids), and the Joule Heating interface, all found under the Heat Transfer branch (
) when adding a physics interface.
) when adding a physics interface.The Solid Mechanics chapter explains how to use the Solid Mechanics interface, found under the Structural Mechanics branch (
) when adding a physics interface, to simulate and analyze applications involving solid mechanics. The physics interface is used for stress analysis and general solid mechanics simulation.
) when adding a physics interface, to simulate and analyze applications involving solid mechanics. The physics interface is used for stress analysis and general solid mechanics simulation.The Equation-Based Modeling chapter describes the use of the mathematics interfaces, found under the Mathematics branch (
) when adding a physics interface, which are used for equation-based modeling. With those interfaces you can solve various types of PDEs using different formulations. You can also solve ODEs and other global equations.
) when adding a physics interface, which are used for equation-based modeling. With those interfaces you can solve various types of PDEs using different formulations. You can also solve ODEs and other global equations.The Sensitivity Analysis chapter describes how to perform sensitivity analysis using the Sensitivity interface, found under the Mathematics>Optimization and Sensitivity (
) branch when adding a physics interface.
) branch when adding a physics interface.The Deformed Geometry and Moving Mesh chapter explains how to use the modeling physics interfaces that control mesh deformation. These are found under the Mathematics>Deformed Mesh (
) branch when adding a physics interface. It also contains fundamentals about deformed meshes and information about the Eulerian and Lagrangian formulations of the physics, the frame types that support these formulations, and the arbitrary Lagrangian-Eulerian (ALE) method.
) branch when adding a physics interface. It also contains fundamentals about deformed meshes and information about the Eulerian and Lagrangian formulations of the physics, the frame types that support these formulations, and the arbitrary Lagrangian-Eulerian (ALE) method.The Studies and Solvers chapter lists the various types of solvers and studies in the COMSOL software and explains the study steps and solver configurations. It also describes the major solvers and settings as well as batch jobs, parametric sweeps, and cluster computing. See also the Optimization Module Manual for other supplementary information.
The Results Analysis and Plots chapter helps you analyze results in COMSOL and describes numerous result-evaluation and visualization tools, including advanced graphics, data display, and export functions. Topics include Results Overview, Data Sets, Plot Groups and Plots, Derived Values and Tables, Exporting Data and Images, Reports, and Printing and Capturing Screenshots.
Running COMSOL Multiphysics is an overview of the different ways that you can run the COMSOL Multiphysics software in addition to running the COMSOL Desktop graphical user interface on a dedicated computer, including client-server and distributed-memory architectures and cloud-based computing.