## Analyzing Magnetic Flowmeters for Blood Flow Measurement

##### Brianne Christopher November 24, 2017

Biomedical researchers used multiphysics modeling in order to understand how blood vessel movement influences the sensitivity of their flow meter designs. Get the full story here.

### Analyze the Electrodynamics of a Magnetic Power Switch via Simulation

##### Caty Fairclough September 21, 2017

The AC/DC Module can be used to simulate electrodynamic devices, such as magnetic power switch circuit breakers. Follow along with this discussion to study the working principles of the device.

### How to Create Electrostatics Models with Wires, Surfaces, and Solids

##### Bjorn Sjodin August 8, 2017

Here’s a guide to building models that combine wires, surfaces, and solids using the electrostatics features based on the boundary element method that are available with the AC/DC Module.

### Simulating Helmholtz Coils in COMSOL Multiphysics®

##### Bridget Cunningham August 1, 2017

Electromagnetics simulation simplifies the process of constructing a Helmholtz coil and calculating its magnetic field to ensure the fields are uniform, which is important for a variety of uses.

### How to Calculate a Capacitance Matrix in COMSOL Multiphysics®

##### Sven Friedel June 7, 2017

Calculating the capacitance between two conductors is simple, but adding more conductors to the mix (as is the case with touchscreens, transmission lines, and capacitive sensors) adds complexity.

### Analyzing the Structural Integrity of an Induction Motor with Simulation

##### Caty Fairclough May 11, 2017

The AC induction motor was invented by either Nikola Tesla or Galileo Ferraris, depending on who you ask. Either way, you can evaluate the structural integrity of this device with simulation.

### Capturing Eddy Current Losses in a Permanent Magnet Motor Design

##### Bridget Cunningham May 4, 2017

Permanent magnet (PM) motors are becoming more prevalent in transportation due to their energy efficiency. You can study Eddy current losses in a PM motor design with the AC/DC Module.

### How to Optimize the Spacing of Electromagnetic Coils

##### Walter Frei April 20, 2017

Did you know that you can maximize the magnetic field strength of your electromagnetic coil designs by optimizing the spacing between the coils?

### 3 Ways to Optimize the Current in Electromagnetic Coils

##### Walter Frei April 10, 2017

We give you 3 ways to optimize the current in electromagnetic coil designs using the AC/DC Module and Optimization Module, add-on products to COMSOL Multiphysics®.

### How to Postprocess Fields over Arbitrary Geometries

##### Walter Frei April 4, 2017

Check out this useful modeling trick: You can query the results of your model within an arbitrary geometric subregion by implementing an integration during postprocessing.

### Analyzing Hearing Aid Receivers with Lumped-Parameter Modeling

##### Caty Fairclough March 17, 2017

Modeling complete hearing aid systems is extremely computationally expensive. Enter lumped-parameter modeling, which enables you to couple a system component to a test setup for validation.