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Geometry Blog Posts

Creating a Model Geometry in COMSOL Multiphysics®

June 29, 2017

Learn how to create a geometry directly within COMSOL Multiphysics® using geometric primitives and geometry operations. Then, watch an introductory video series to see each step in detail.

How to Create a Randomized Geometry Using Model Methods

June 5, 2017

What does cheese have to do with setting up a COMSOL Multiphysics® model? Here, we use the random holes in a piece of Swiss cheese to demonstrate creating randomized geometries with methods.

How to Generate Random Surfaces in COMSOL Multiphysics®

June 2, 2017

Get a comprehensive background and step-by-step guide to generating random surfaces in COMSOL Multiphysics®, such as rough surfaces and microstructures.

Efficiently Assign Materials in Your COMSOL Multiphysics® Model

September 20, 2016

Here, we go over 3 methods for efficiently assigning materials in your COMSOL Multiphysics® models. The included tutorial videos show step-by-step instructions for each related feature.

Improved Functionality and Tips for Importing STL and NASTRAN® Files

September 14, 2016

Learn how to import STL files originating from 3D scan sources and meshes in the NASTRAN® file format, as well as how to prepare them for analysis in COMSOL Multiphysics®.

How to Reuse a Deformed Shape as a Geometry Input

September 1, 2016

Let’s say you deform a shape in your model (say, by applying a mechanical load to a thin piece of metal) and want to use this deformed object as part of a new geometry construction. How?

Streamline Your Simulation Workflow with Named Selections

August 3, 2016

Learn how to use named selections to streamline your simulation workflow in COMSOL Multiphysics®. Includes step-by-step instructions and an embedded tutorial video.

How to Build a Parameterized Archimedean Spiral Geometry

July 27, 2016

Learn how to build a parameterized geometry of an Archimedean spiral by using analytic equations and their derivatives to define a set of spiral curves.