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Modelling Coils in COMSOL Multiphysics
Rating: 5.0 out of 5(2 ratings)
11 students

Modelling Coils in COMSOL Multiphysics

Learn the use of single conductor coils, homogenized multiturn coils, connected boundaries and infinite element domains.
Last updated 2/2026
English
English

What you'll learn

  • Modeling Linear, Circular and Numeric Homogenized Multiturn Coils
  • Modeling Open and Closed Single Conductor Coils
  • Modeling Single Conductor Coils using Connected Boundaries
  • Using Infinite Element Domains to reduce size of surrounding air domain
  • Modeling Frequency Response of a Single Conductor Coil

Course content

5 sections14 lectures53m total length
  • Modeling air core inductor coil: Part 14:47

    Model an air core inductor coil in COMSOL Multiphysics using a 3D magnetic fields setup and stationary study to compute resistance and inductance for a 100-turn copper coil.

  • Modeling air core inductor coil: Part 22:46

    Refine the coil mesh with physics controlled meshing and free tetrahedral elements, then run a stationary study to compute magnetic flux and extract coil resistance and inductance in milli henry.

  • Homogenized Multiturn Coil: Linear3:53

    model a homogenized multiturn coil in COMSOL, focusing on linear coil geometry and boundary conditions using the geometry part library, revealing resistance 0.016 ohms and inductance 0.05 milli henry.

  • Homogenized Multiturn Coil: Circular2:25

    Select a circular homogenized multiturn coil from the part library, parameterize its geometry, add an air domain, and run a study to compute 0.21 mH inductance and 0.2 ohms resistance.

  • Homogenized Multiturn Coil: Numeric3:09

    Demonstrates modeling a homogenized multiturn coil in COMSOL with the numeric option. Set up geometry, input surface, current 1 A, 100 turns, and run a coil geometry analysis study.

Requirements

  • No pre-requisite. Some exposure to Finite Element Method (FEM) would be an advantage.

Description

A coil is a basic building block of any electromagnetic device such as transformer, motor, relay, solenoid or electromagnet. Detailed knowledge of all the available coil modelling features will equip you to confidently perform any electromagnetic simulation.

This course is extensively about modelling coils in COMSOL Multiphysics. You will learn the use of the geometry part library and modelling all variants of single conductor and homogenized multiturn coils. You will learn how to use Infinite Element Domains to reduce the size of air domain surrounding your electromagnetic device. In the final tutorial, you will learn Frequency Response Analysis (FRA) of a coil to extract the impedance of the coil as a function of the excitation frequency.

Course structure:

  • Section 1: Linear, Circular and Numeric Homogenized Multiturn Coils

  • Section 2: Open and Closed Single Conductor coils

  • Section 3: Modelling Single Conductor Coils using Connected Boundaries

  • Section 4: Use of Infinite Element Domains

  • Section 5: Modelling Frequency Response of a Single Conductor Coil

*Subtitles are available for all lectures in English[US].

Why take this course:

This course covers all the variants and approaches required for coil modelling. All the technical intricacies involved in modelling coils can be learned quickly with minimum investment of time, in one place.

Disclaimer:

This course is not affiliated with, endorsed by, or sponsored by COMSOL AB. COMSOL Multiphysics® is a registered trademark of COMSOL AB. For support and licensing, please visit the COMSOL official website.

Who this course is for:

  • Students
  • Research Scholars
  • Professionals
  • People wanting to learn basics of electromagnetics modelling in COMSOL