Learn Comsol-multiphysics-scripting - 3 Code Examples & CST Typing Practice Test
COMSOL Multiphysics scripting refers to using the COMSOL API with MATLAB or Java to automate model creation, simulation, and postprocessing. It allows programmatic control over geometry, physics, meshing, studies, and results, enabling batch simulations and parametric sweeps in multiphysics modeling.
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Learn COMSOL-MULTIPHYSICS-SCRIPTING with Real Code Examples
Updated Nov 27, 2025
Code Sample Descriptions
Create 3D Geometry via Java API
Model model = ModelUtil.create('Model');
model.geom().create('geom1', 3);
model.geom('geom1').create('blk1', 'Block');
model.geom('geom1').feature('blk1').set('size', new double[]{1, 2, 3});
model.geom('geom1').run();
Create a simple 3D block geometry in COMSOL using Java API.
Parametric Sweep using MATLAB API
model.param.set('E', '200e9');
model.param.set('nu', '0.3');
model.study('std1').feature('param').set('plistarr', {'200e9','210e9','220e9'});
model.study('std1').run;
Perform a parametric sweep over different material properties.
Post-processing Results
Table table = model.result().numerical().create('tbl1', 'Table');
table.set('expr', 'temperature');
table.run();
double[] tempData = table.getReal();
Extract and plot simulation results programmatically.
Frequently Asked Questions about Comsol-multiphysics-scripting
What is Comsol-multiphysics-scripting?
COMSOL Multiphysics scripting refers to using the COMSOL API with MATLAB or Java to automate model creation, simulation, and postprocessing. It allows programmatic control over geometry, physics, meshing, studies, and results, enabling batch simulations and parametric sweeps in multiphysics modeling.
What are the primary use cases for Comsol-multiphysics-scripting?
Automating geometry creation and parameterization. Programmatically defining physics and boundary conditions. Running batch simulations or parametric sweeps. Automated postprocessing and results export. Integration with MATLAB or Java for extended data analysis
What are the strengths of Comsol-multiphysics-scripting?
Reduces repetitive manual modeling tasks. Enables reproducible parametric studies. Supports complex multiphysics simulations. Seamless MATLAB integration for postprocessing. Scalable for high-performance batch simulations
What are the limitations of Comsol-multiphysics-scripting?
Requires familiarity with COMSOL API and object model. Large models may lead to slow script execution. MATLAB license needed for MATLAB scripting. Debugging complex scripts can be challenging. Version-specific API changes may require script updates
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