Effective Nonlinear Magnetic Curves Calculator
Application ID: 30941
The Effective Nonlinear Magnetic Curves Calculator application is a companion to the Effective Nonlinear Constitutive Relations functionality. Magnetic-based interfaces in the AC/DC Module support the effective H-B/B-H curve material model, which can be used to approximate the behavior of a nonlinear magnetic material in a frequency domain simulation without the additional computational cost of a full transient simulation.
The effective H-B/B-H curve material model requires the effective Heff(B) or Beff(H) relations defined as interpolation functions. This utility app can be used to compute the interpolation data starting from the material’s H-B or B-H relations.
The interpolation data for the H-B or B-H relations can be imported from a text file or entered in a table. The app will then compute the interpolation data for the Heff(B) or Beff(H) relations using two different energy methods. The resulting effective material properties can be exported as a Material Library file and further used in a model with the Magnetic Fields interface of the COMSOL Multiphysics® software.
This application example illustrates applications of this type that would nominally be built using the following products:AC/DC Module
however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:
The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Specification Chart and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.