General Blog Posts
Strategies to Counter Small Automatic Time Steps
When solving a model, you may encounter a varying time step and discretization order, or NLfail or Tfail could be greater than 0. Use these strategies to improve the efficiency of the simulation.
Material Characterization by Means of Simulation
Carbon-based materials, such as synthetic specialty graphites, are found in many industries, including solar, semiconductor, car manufacturing, ceramics, and metallurgy.
Using the Material Libraries in COMSOL Multiphysics®
The built-in material libraries are databases with materials and their associated properties, while the add-on Material Library contains material properties for more than 3800 materials.
Building Roller Chain Geometries in the Multibody Dynamics Module
You can easily set up a geometry model of a roller chain, sprocket, or roller chain sprocket assembly using the built-in parametric geometry parts in the COMSOL Multiphysics Part Library.
Optimizing Composite Wheel Rim Designs with COMSOL Multiphysics®
Composite wheel rims are stronger and lighter than their conventional steel and aluminum counterparts. Plus, they offer better acceleration, braking, and cornering on the road.
How to Perform a Sensitivity Analysis in COMSOL Multiphysics®
How do the parameters of your design affect its performance? Understanding this relationship is a valuable part of the design process. By performing a sensitivity analysis, you can do just that.
Predictive Analytics Capabilities of SmartUQ® for COMSOL®
How does COMSOL Multiphysics® fit into the predictive analytics and uncertainty quantification (UQ) workflow of SmartUQ®? Guest blogger Gavin Jones demonstrates with a microwave ablation example.
Using Transfer-Matrix Computation to Analyze Wax Guard Acoustics
The wax guard is an important part of a hearing aid, as it can improve the functionality and overall lifespan. We feature an acoustics model of a wax guard based on an actual industry example.
How to Use Topology Optimization Results as Model Geometries
Oftentimes, topology optimization is not the last step in your design process. In fact, you can use the results from a topology optimization study as model geometries for your next analysis.
How to Use an Add-In to Convert Images to Geometry Models
Did you know that you can draw an image, import it into COMSOL Multiphysics®, and the Image to Curve add-in will create an interpolation curve from a contour plot of the image?
Developing a Silicon MEMS Chip for On-Demand DNA Synthesis
The development of genome editing tools like CRISPR-Cas9 has increased the demand for DNA synthesis technology. Researchers are creating a DNA synthesis platform to broaden horizons in the field.
Which Study Type Should I Use for My Electrothermal Analysis?
What’s the best interface to use when implementing electrothermal analyses in COMSOL Multiphysics? We go over the interfaces, study types, and multiphysics couplings for high and low frequencies.
How to Simulate Control Systems Using the PID Controller Add-In
A PID controller can be used in a variety of industries. This blog post demonstrates how a PID controller add-in can be easily incorporated in two simulation examples.
How to Customize Your Model Builder Workflow Using Add-Ins
By creating and using add-ins, as well as building your own add-in libraries or using the built-in library in COMSOL Multiphysics®, you can customize and streamline your Model Builder workflow.
What Is the Curl Element (and Why Is It Used)?
When solving some electromagnetics problems, the curl element (also called the edge element or vector element) can be used in the finite element method.
Using Web Browser Translation Tools for COMSOL Documentation
COMSOL documentation includes a lot of helpful information. Most web browsers include an automatic translation tool that enables you to read the documentation in the language of your choice.
How to Use the Load Plots in Structural Analyses
You can use the load plots available in the COMSOL® software to get the best possible visualization of the loads acting on your structural mechanics models in various situations.
Efficiently Distribute Lightweight Compiled Applications
Have you ever tried to send an email but the attachment was too large? COMSOL Compiler™ has an option that reduces the file size of standalone applications for more efficient distribution.
How to Use the Platonic Solids as Geometry Parts in COMSOL®
The Platonic solids, named after Plato, are regular, convex polyhedra that consist of the tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
Performing a Shape and Topology Optimization of a Tesla Microvalve
1 Tesla microvalve model, 2 ways: The shape optimization features available in COMSOL Multiphysics enable you to improve simple designs inspired by more complex topology optimization results.
Estimating Parameters for a Li-Ion Battery via a Lumped Model
When performing an electrochemical analysis on a battery, an engineer might not have all of the information from the manufacturer. The solution? Parameter estimation via a lumped model…
How to Use Solver Suggestions in Acoustics Modeling
When you model large, industry-scale acoustics, ever find it challenging to efficiently solve the problem with the hardware at hand? Enter the solver suggestions in COMSOL Multiphysics®.
How to Refine and Adapt Imported Meshes
2 features for getting the most out of your imported meshes: 1. The Refine operation quickly reduces element size. 2. The Adapt operation modifies the element size via an expression.
How to Produce 3D Far-Field Plots from 2D Axisymmetric RF Models
When modeling certain resonant structures, you can get the best of both worlds: 2D axisymmetry offers efficient computations while 3D far-field plots are available for postprocessing results.