AltaSim Technologies guides engineers through Multiphysics simulation projects with less frustration and more confidence in their results, so that they can bring their products to market more rapidly, at lower costs and with optimized designs.
What follows are tips and tricks from our engineers who have countless hours using COMSOL Multiphysics.
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Using COMSOL Version 6.1 to Plot Non-Converged Results During Compute Attempts
As an engineer have you ever found yourself in a situation where you’re trying to track non-converged results by plotting solution variables that you would expect to behave in a certain way, but you’re not sure how to modify the initial values? In our latest Tips & Tricks video, I take you through a scenario […]
Read MoreExtending the Number of Characters Stored in the Log with COMSOL Version 6.1
In some cases, the information in the log file of a simulation is lost when the maximum number of characters in the log file is exceeded. In this video tip, we show how to increase the maximum number of characters to provide access to important data. To help you follow along, we have included the […]
Read MoreCOMSOL Version 6.1 Least-Squares Fit Function
Technology continues to evolve, making our lives a lot easier in many ways. And, when it comes to Multiphysics, the Least-Squares Fit function of COMSOL 6.1 is no exception. Before this function existed, engineers had to develop their own coding to perform this type of fitting. But, in our latest Tips & Tricks video, we […]
Read MoreNew Release of COMSOL Version 6.1
We are excited about the new release of COMSOL Version 6.1 and wanted to share a new feature with you, so we put together this quick video. To help you follow along, we have included the video transcription below. If you’re new to COMSOL, we invite you to register for our introductory class, Multiphysics […]
Read MoreUser-Defined Material Library
User-defined materials provide the flexibility needed to design models using a combination of existing material properties and properties defined by the user. These material properties can also be included in a user-developed material database for easy access to frequently used materials. Users often spend significant time developing models with material properties not available in the […]
Read MoreAnisotropic Material Properties
Many of the simulations we have developed through the years include materials that behave anisotropically. This class of materials has different material properties in different directions. This anisotropy often needs to be included in computational models to achieve the desired level of accuracy in the simulation outputs. If the material coordinate system of the anisotropic […]
Read MoreContinuity Pairs for Electrical and Thermal Contact
Thermal stresses are an important design concern for many engineering applications. When temperatures change, materials can deform or warp leading to the build-up of internal stresses even without the presence of external constraints which can further increase thermal stresses. Modeling and simulation can calculate the deformations, stresses and changing contact pressures using thermal-structural interaction techniques. […]
Read MoreWatch Out for Transparent Layers
Many engineers solve heat transfer challenges regularly. Over the last 20 years, AltaSim has developed hundreds of simulations for our clients that include heat transfer as a component. This Tip comes from our experience in solving a heat transfer problem that included thin layers of different materials. Solid elements are the most widely used type […]
Read MoreUsing Evaluation Operator in Post-Processing
Engineers post process their simulation results for reasons that range from better understanding their results to communicating those results to others. Developing labels that clearly identify the conditions for a simulation communicates the critical input parameters for the plotted results. In this Tip and Trick, the simulation engineers at AltaSim will show a way to […]
Read MoreElectromagnetic Wave Polarization in 2D Geometry
An electromagnetic wave consists of a coupled oscillating electric field and magnetic field which are always perpendicular to each other. By convention, the “polarization” of electromagnetic waves refers to the direction of the electric field. In 3D geometry, arbitrary polarization is naturally defined by the prescribing the directions of all three components of the electric […]
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