COMSOL Examples
COMSOL is a multiphysics simulation software with application areas in electrical, mechanical, fluids, acoustics and chemical. COMSOL Multiphysics is a simulation platform that encompasses all of the steps in the modeling workflow — from defining geometries, material properties, and the physics that describe specific phenomena to solving and postprocessing models for producing accurate and trustworthy results. COMSOL uses numerical schemes like finite element method, boundary element method, damped Newton method, direct and iterative solvers to provide accurate solutions.
Rescale's platform can be used to conviniently run COMSOL simulations across many cores to reduce compute time drasticallly. It provides additional functionality like easy connection to COMSOL Mulitphysics Server.
Kármán Vortex Street Example
An unsteady simulation of flow past a cylinder using the COMSOL Multiphysics CFD module. The Reynolds number based on the cylinder diameter is 100 and is low enough for a Kármán Vortex Street to form. This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | CFD |
| Description | CFD simulation of flow past a cylinder using COMSOL Multiphysics |
| Suggested Hardware | Onyx / 4 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile cylinder_flow_5.2.mph |
| Estimated Run Time | 6 minutes |
Convection Cooling of Circuit Boards Example
A simulation of a circuit board undergoing fan cooling (forced flow of air). This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | Thermal Analysis |
| Description | Forced flow over circuit board model using COMSOL Multiphysics |
| Suggested Hardware | Onyx / 8 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile circuit_board_forced_3d.mph |
| Estimated Run Time | 20 minutes |
Electric Signals Example
A simulation on the propogation of electrical signals within the heart. The heart is simplified and modeled by 2 internal semispherical cavities to represent 2 chambers. This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | Electric Signal |
| Description | Simulation of electric signal propogation in a model heart using COMSOL Multiphysics |
| Suggested Hardware | Onyx / 4 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile heart_electrical.mph |
| Estimated Run Time | 7 minutes |
Micromixer Example
A simulation of flow through a micromixer. The micromixer forces lamination of streams and mixing occurs through diffusion. This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | CFD |
| Description | CFD through a micromixer using COMSOL Multiphysics |
| Suggested Hardware | Gold / 4 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile micromixer_cluster.mph |
| Estimated Run Time | 22 minutes |
Thermal Behavior of a Computer Power Supply Unit Example
A model of a computer power supply unit (PSU). The PSU is cooled through airflow provided by a cooling fan. This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | Thermal Analysis |
| Description | Model of PSU undergoing cooling using COMSOL Multiphysics |
| Suggested Hardware | Onyx / 8 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile electronic_enclosure_cooling.mph |
| Estimated Run Time | 75 minutes |
Bracket Optimization Example
A model optimising the parameters of natural frequency and statically loaded stress. This model and documentation is available directly from COMSOL.
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| Simulation Code | COMSOL Multiphysics 5.2a |
| Analysis Type | Stress Analysis and Optimisation |
| Description | Model of bracket optimization using COMSOL Multiphysics |
| Suggested Hardware | Onyx / 4 cores |
| Command | comsol -clustersimple -f $HOME/machinefile batch -inputfile multistudy_bracket_optimization.mph |
| Estimated Run Time | 14 minutes |