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Making Structures Stronger by Removing Material
To make a structure stronger, sometimes you have to take material away instead of adding more. We go over concepts like fillets, load paths, and displacement control to demonstrate this concept.
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.
Analyzing the Impact of a Melting Frozen Inclusion
One example of the effects of climate change is the melting of permafrost in northern boreal regions. In this blog post, we show an example of a melting frozen inclusion in a porous medium.
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.
Heat Transfer in Biological Tissue with Thermal Damage Analysis
Hepatic tumor ablation using radiofrequency heating, microwave coagulation therapy, and other cancer treatments can be studied by modeling the electromagnetic heating of biological tissues.
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.
10 Real Uses of COMSOL Multiphysics® in the Power Industry
Minimizing transformer noise, planning underground cable networks, and managing a power grid. Keep reading for more real-world examples in which simulation is used in the power industry.
Modeling a Double-Tuning-Fork MEMS Gyroscope
Piezoelectric rate gyroscopes and similar MEMS devices offer an affordable way to measure angular velocity in applications such as skid control and rollover detection in automobile systems.
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.
Building a Magnetohydrodynamic Multiphysics Model in COMSOL®
Magnetohydrodynamic models call for fluid dynamics and electromagnetics couplings. To do so, you can set up bidirectional couplings between all physics equations or building a simplified model.
Analyzing Topology Optimization of a Photoacoustic Spectroscopy Cell
Signals generated via photoacoustic spectroscopy are often weak and difficult to detect. Acoustic cells can be used to amplify the signal, but they need to be designed with sensitivity in mind.
Understanding the Drug Reaction Kinetics of Nerve Guides via Modeling
Ever had a pinched nerve? Nerve guides repair this type of damaged nerve cell tissue. To design safe and reliable nerve guides, we can use simulation to understand their drug reaction kinetics.
Taking a Look at Electrochemical Treatment for Tumors via Modeling
EChT offers many benefits for the treatment and removal of cancerous tumors, so why isn’t it a widely accepted method yet? First, we need a better understanding of tumor destruction mechanisms.
Introduction to Numerical Integration and Gauss Points
In this comprehensive blog post, we go over the theory behind numerical integration, Gaussian quadrature, Gauss points, weak contributions, and much more.
Using the Port Boundary Condition in Acoustic Waveguide Models
By combining several Port boundary conditions, you can easily compute the transmission and insertion loss in exhaust and muffler systems. See more benefits of this feature for acoustics modeling.
Happy Birthday, Emmy Noether
During a time when women were not welcome in STEM fields, Emmy Noether made many significant contributions to modern mathematics, including abstract algebra and an invariant theorem.
Evaluating the Necking of an Elastoplastic Metal Bar Benchmark Model
To determine the strength of elastoplastic materials, engineers often use uniaxial testing to analyze necking instability. This benchmark model proves that simulation is also a reliable method.
Simulation Applications Enable Digitalization at ABB Traction Motors
Here’s a real-world example of optimizing R&D processes with COMSOL Server™: At ABB Traction Motors, engineers use simulation applications to analyze CFD and heat in electric motor designs.
Analyzing an Arterial Self-Expanding Stent with COMSOL Multiphysics®
Interested in bioengineering? Read this overview of a self-expanding arterial stent modeled in COMSOL Multiphysics® with an implemented shape memory alloy material.
Simulating Multiphase Flow in Porous Media with a Low Permeable Lens
Modeling phase transport helps you study the multiphase flow through a porous medium (such as groundwater through soil).
FEM vs. FVM
Finite element methods, finite volume methods, or a hybrid approach: Which is the best choice for CFD? It depends on the fluid flow problem you’re trying to solve.
How to Perform a STOP Analysis with COMSOL Multiphysics®
Interested in structural-thermal-optical performance (STOP) analysis? We go over the theory, background, and how to perform such an analysis in the Ray Optics Module.
Validating the Use of Boundary Elements for Magnetostatics Modeling
To validate the boundary element method (BEM) as a viable alternative to FEM for magnetostatics modeling, you can try a 3-part tutorial series of electromagnetic force calculations.
Self-Consistent Schrödinger-Poisson Results for a Nanowire Benchmark
This benchmark model of a GaAs nanowire validates the Schrödinger-Poisson Equation multiphysics interface, which is useful for modeling systems with quantum-confined charge carriers.