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Study Contaminant Removal in Membrane Dialysis Devices with an App
We discuss treating renal failure with hemodialysis, analyzing contaminant concentration in a membrane dialysis device, and optimizing a membrane dialysis device with a numerical modeling app.
Can a Stiffness Be Negative?
Have you ever encountered an FEM formulation where the force does not monotonically increase with displacement? We discuss some examples of this behavior: negative stiffness.
How to Use Acoustic Topology Optimization in Your Simulation Studies
Today, guest blogger René Christensen of GN Hearing discusses the importance of acoustic topology optimization and how to apply it in COMSOL Multiphysics. Topology optimization is a powerful tool that enables engineers to find optimal solutions to problems related to their applications. Here, we’ll take a closer look at topology optimization as it relates to acoustics and how we optimally distribute acoustic media to obtain a desired response. Several examples will further illustrate the potential of this optimization technique.
Guidelines for Equation-Based Modeling in Axisymmetric Components
Here’s your comprehensive guide to equation-based modeling for problems with cylindrical coordinates and axisymmetric components.
Reduce the Fan Noise of a Turbofan Aeroengine with Simulation
Noisy turbofan engines are often used to power commercial airplanes. You can reduce their noise pollution with the help of acoustics modeling…
Phase Space Distributions and Emittance in 2D Charged Particle Beams
We discuss the concepts of phase space and emittance as they apply to the release of ions or electrons in beams. Part 2 of a series on phase space distributions in beam physics.
Applying a Hybrid Approach to Fracture Flux Conservation
A guest blogger from Boffin Solutions, LLC, a COMSOL Certified Consultant, discusses using a hybrid approach to calculate fracture flux in thin structures with the COMSOL® software.
Benchmark Shows Valid Results for a Piezoelectric Transducer Design
We walk you through the Composite Piezoelectric Transducer tutorial model: a benchmark model for ultrasonic transducer simulation and good starting point for simulations of SAW and BAW filters.
Using Simulation to Ensure the Cooling Efficiency of Refrigerated Trucks
To transport food, vaccines, and other perishables, refrigerated trucks are designed to maintain a cold temperature. Using simulation, researchers analyzed the cooling efficiency of such trucks.
Evaluating Microphones and Transducers with Simulation
Research teams at Brüel & Kjær, an industry leader in sound and vibration measurement, use multiphysics simulation to model their microphone and transducer designs. Read the full story.
How to Make Boundary Conditions Conditional in Your Simulation
In some modeling scenarios, you may want to apply a boundary condition to only part of the geometrical boundary or only under certain conditions. Learn how to do so here.
User Feedback Powers COMSOL Multiphysics® Version 5.2a
The release of COMSOL Multiphysics® software and COMSOL Server™ product version 5.2a includes new features and functionality based on feedback from our users. Get an overview.
Studying Manifold Microchannel Heat Sinks with Simulation
Manifold microchannels (MMC) can help improve the performance of cooling components in consumer electronics. Simulation can be used to study and optimize MMC heat sink designs.
How to Choose Between Boundary Conditions for Coil Modeling
3 approaches for truncating a domain when modeling an EM coil in free space: the Magnetic Insulation and Perfect Magnetic Conductor boundary conditions as well as the infinite element domain.
Modeling the Thermal Curing Process
Polymerization of a thermoset resin is one example of thermal curing, a process in which temperature-induced chemical change occurs in a material.
Modeling Coils in the AC/DC Module
A key concept when it comes to coil modeling is closing the current loop. Learn how to do so when modeling coils using the AC/DC Module and COMSOL Multiphysics®.
Guidelines for Modeling Rotating Machines in 3D
Learn how to use the Rotating Machinery, Magnetic interface in COMSOL Multiphysics® to model a 3D generator, and then compare our results with an analogous 2D model. Part 2 of 2.
Simulation Improves Range of Motion in Piezoelectric Actuators
We highlight 1.) some of the fundamental elements of piezoelectric theory and basic simulations and 2.) a novel design for improving the range of motion for piezoelectric actuators.
Model Cables and Transmission Lines in COMSOL Multiphysics
Learn how to compute the parameters of a coaxial cable from a COMSOL Multiphysics® simulation of the electromagnetic fields.
Protein Adsorption: Batch and Space-Dependent Modeling
We take you step by step through developing a detailed protein adsorption reactor model. We start with a simple, perfectly mixed batch reactor and move onto space-dependent modeling.
New Impedance Boundary Conditions for Acoustics Simulations
Get a comprehensive overview of the Impedance boundary conditions and how to use them for your acoustics simulations in COMSOL Multiphysics®.
New Release: COMSOL Multiphysics® Version 5.2
It’s here! COMSOL Multiphysics® version 5.2 brings a number of upgrades to the Application Builder, COMSOL Server™, and other products in the COMSOL® software suite.
Analyzing Forced Duffing Oscillations in Metal-Halide Lamps
2 independent researchers share insight into how they are optimizing the performance of metal-halide lamps using multiphysics simulation. Read the full story here >>
Modeling Acoustic Orbital Angular Momentum
Get an introduction to acoustic orbital angular momentum and a demonstration of how to model it. Parr 2 of a blog series on modeling acoustophoretic forces.