# Application Gallery

The Application Gallery features COMSOL Multiphysics® tutorial and demo app files pertinent to the electrical, structural, acoustics, fluid, heat, and chemical disciplines. You can use these examples as a starting point for your own simulation work by downloading the tutorial model or demo app file and its accompanying instructions.

Search for tutorials and apps relevant to your area of expertise via the Quick Search feature. To download the MPH-files, log in or create a COMSOL Access account that is associated with a valid COMSOL license. Note that many of the examples featured here can also be accessed via the Application Libraries that are built into the COMSOL Multiphysics® software and available from the File menu.

Heat Transfer Modulex

### Light Diffusion in a Slab of Particles

This tutorial model shows how to use the Heat Transfer with Radiation in Absorbing-Scattering Media multiphysics interface to model light diffusion through a slab of particles, with the corresponding heating due to absorption and scattering. The numerical results are compared to an ... Read More

### Thermal Bridges In Building Construction — 2D Square Column

This example studies heat transfer in a square column. Cold and hot temperature conditions are applied to the boundaries. Due to the symmetry of the problem, the geometry is simplified to half of the square. The temperature field is compared with the analytic data. This example ... Read More

### Thermal Performances of Roller Shutters

During the design of a building, environmental issues have gained considerable influence in the entire project. One of the first concerns is to improve thermal performances. In this process, simulation software are key tools to model thermal losses and performances in the building. The ... Read More

### Thermal Curing Simulation

This example exemplifies how to model thermal curing using the base package of COMSOL Multiphysics. A more detailed description of the phenomenon and the modeling process can be seen in the blog post "[Modeling the Thermal Curing Process]( https://www.comsol.com/blogs/modeling-the ... Read More

### Gray Body

A gray body with a spherical cavity with various opening areas is simulated using the _Heat Transfer, Surface-to-Surface Radiation_ interface. The emissivity for each case is computed and compared with the classical gray body theory. The COMSOL Multiphysics® result agrees very well ... Read More

### Thermal Insulation on Internal Boundary

The purpose of this model is to introduce the Thermal Insulation feature available in Heat Transfer interfaces. Thermal Insulation is the default feature for external boundaries. An additional Thermal Insulation node is necessary in order to apply a thermal insulation condition to an ... Read More

### Simulation of RF Tissue Ablation

This example exemplifies how to model tissue ablation through applying RF radiation. A more detailed description of the phenomenon, and the modeling process, can be seen in the blog post "[Study Radiofrequency Tissue Ablation Using Simulation](/blogs/study-radiofrequency-tissue-ablation ... Read More

### Using Assembly Meshing for Conjugate Heat Transfer Modeling

You can use assembly meshing to reduce the number of mesh elements in your model, which is especially useful for conjugate heat transfer simulation in cases where the fluid domains can be handled with swept mesh. These models demonstrate how to use form assembly and discontinuous meshes ... Read More

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