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##### From Applied Electromagnetics Using QuickField and MATLAB
 In This ChapterWhat is QuickField? Basic Organization of QuickFieldSpecifying Problem Types and PropertiesModel ConstructionProblem Solving and Post Processing Electrostatics Simulation Magnetostatics Simulation
 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 . Multiphysics analysis capabilities include various couplings between Thermal, Stress, Electro static, 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 SymmetryAxial Symmetry IsotropicPermittivity Orthotropic Permittivity Air ε = ε0 VoltagesPoint ChargesSurface ChargesVolume Charges Dirichlet Condition (Specified Voltages)Neumann Condition (Specified Charge Density) Constant Potential with Specified Total Charge VoltagesElectric FieldsField GradientsFlux DensitySurface ChargesCapacitancesElectric ForcesTorquesElectric Energy Magnetostatic X-Y SymmetryAxial Symmetry Isotropic PermeabilityOrthotropic PermeabilityAir μ = μ0B-H curvesFerromagnets & Superconductors Line Currents...

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##### Products & Services
Magnetic Field Sensors
Magnetic field sensors measure magnetic field strength, direction, and/or magnetic flux. They are used for scientific measurement, navigation, and industrial applications.
Current Sensors
Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals.
Magnetometers
Magnetometers are scientific instruments that measure the strength and/or direction of a magnetic field. There are two basic types: scalar and vector.
Transient Voltage Suppressor Diodes (TVS)
Transient voltage suppressor (TVS) diodes are designed to limit over-voltages. They can dissipate high amounts of transient power in a short period of time.
Magnetic Field Instruments
Magnetic field instruments include meters, gauges, recorders and other instrumentation for the measurement of magnetic fields and/or magnetic flux.

##### Topics of Interest

In This Chapter Coulomb’s Law and the Superposition Principle Electric Flux and Gauss’ Law Electric Potential QuickField Electrostatics Calculations Calculation of Capacitance Motion of...

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...

6.4 TIME-HARMONIC ANALYSIS IN QUICKFIELD QuickField enables the solution of time-harmonic magnetic problems with planar or axial symmetry. The permeability is anisotropic if x ? y in x-y symmetry...

10.1 AC CONDUCTION THEORY The continuity equation equates the divergence of the current density to the time variation of volume charge density ? J + ??/ ?t = 0. For fields that vary harmonically...

8.1 Model a solid superconducting sphere in a uniform magnetic field in axial symmetry; (a) plot the attenuation of magnetic        field along the z-axis outside of...

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