Applied Electromagnetics Using Quickfield & MATLAB

Chapter 3: A Walk Through QuickField

3.1 WHAT IS QUICKFIELD?

QuickField is a Finite Element Method CAD modeling software that supports a variety of electromagnetic, thermal, and stress analysis problems that have either two-dimensional x-y symmetry or axial symmetry. Problem types supported include Electrostatics, Magnetostatics, Transient Magnetics, AC Magnetics, DC Conduction, AC Conduction, Transient and Steady State Thermal Analysis, Stress Analysis, and Electrical Circuits. Multi-physics analysis capabilities include various couplings between Thermal, Stress, Electrostatic, Magnetostatic, Time-harmonic Magnetic, AC and DC Conduction. Table 3.1 gives an overview of analysis types supported by QuickField.

Table 3.1

Analysis & Symmetry

Material Properties

Sources

Boundary Conditions

Post Processing Results

Electrostatic

  • X-Y Symmetry

  • Axial Symmetry

  • Isotropic Permittivity

  • Orthotropic Permittivity

  • Air ? = ? 0

  • Voltages

  • point Charges

  • Surface Charges

  • Volume Charges

  • Dirichlet Condition (Specified Voltages)

  • Neumann Condition (Specified Charge Density)

  • Constant Potential with Specified Total Charge

  • Voltages

  • Electric Fields

  • Field Gradients

  • Flux Density

  • Surface Charges

  • Capacitances

  • Electric Forces

  • Torques

  • Electric Energy

Magnetostatic

  • X-Y Symmetry

  • Axial Symmetry

  • Isotropic Permeability

  • Orthotropic Permeability

  • Air = 0

  • B-H curves

  • Ferromagnets & Superconductors

  • Line Currents

  • .Current Density

  • .Uniform Field

  • Permanent Magnets

  • Dirichlet Condition (Vector Potential A)

  • Neumann Condition (Tangential B Field)

  • Superconductor (Zero Normal B)

  • Vector Potential A

  • .Magnetic Fields (Flux Density B)

  • .Field Intensity H

  • Magnetic Forces

  • Torques

  • Magnetic Energy

  • Flux Linkages

  • Inductances (Self & Mutual)

AC Magnetic

  • X-Y Symmetry

  • Axial Symmetry

  • Isotropic Permeability

  • Orthotropic Permeability

  • Air

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