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electromagnetics -凯发k8网页登录

solve problems that model electric and magnetic fields

solve pdes that model static and time-harmonic electric and magnetic fields. a typical programmatic workflow for solving an electromagnetic problem includes these steps:

  • create a special electromagnetic model container for an electrostatic, magnetostatic, or harmonic analysis.

  • define a geometry and mesh it.

  • assign electromagnetic properties of the material, such as relative permittivity, relative permeability, and conductivity.

  • specify charge density, current density, and magnetization within the geometry.

  • specify voltage, magnetic potential, surface current density, and an electric or magnetic field on the boundaries.

  • specify absorbing boundary conditions.

  • solve and plot results, such as the resulting electric or magnetic potentials, fields, and flux densities.

magnetic potential plot in color with the equipotential lines as contours and the magnetic field as arrows

functions

create model
assign properties of material for electromagnetic model
specify current density, charge density, and magnetization for electromagnetic model
apply boundary conditions to electromagnetic model
solve structural analysis, heat transfer, or electromagnetic analysis problem
assemble finite element matrices
interpolate electric potential in electrostatic or dc conduction result at arbitrary spatial locations
interpolate electric field in electrostatic or dc conduction result at arbitrary spatial locations
interpolate electric flux density in electrostatic result at arbitrary spatial locations
interpolate magnetic potential in magnetostatic result at arbitrary spatial locations
interpolate magnetic field in magnetostatic result at arbitrary spatial locations
interpolate magnetic flux density in magnetostatic result at arbitrary spatial locations
interpolate electric or magnetic field in harmonic result at arbitrary spatial locations
interpolate current density in dc conduction result at arbitrary spatial locations
plot solution or mesh for 2-d problem
plot solution or surface mesh for 3-d problem
plot pde geometry
plot pde mesh
create and plot pde visualization object
find electromagnetic material properties assigned to geometric region
find electromagnetic source assigned to geometric region
find electromagnetic boundary conditions assigned to geometric region

live editor tasks

create and explore visualizations of pde results in the live editor

objects

electromagnetic model object
electrostatic solution and derived quantities
magnetostatic solution and derived quantities
harmonic electromagnetic solution
dc conduction solution

properties

electromagnetic material properties assignments
electromagnetic source assignments
electromagnetic boundary condition assignments
algorithm options for solvers
pde visualization of mesh and nodal results

topics

electrostatic and magnetostatic problems

  • electrostatic potential in air-filled frame
    find the electric potential in an air-filled annular quadrilateral frame.

  • compute an electric field intensity in a bushing insulator.
  • magnetic field in two-pole electric motor
    find the static magnetic field induced by the stator windings in a two-pole electric motor.

  • compute a magnetic flux density in a solenoid with an iron core using a 3-d model and a 2-d axisymmetric model.

  • compute a magnetic flux density in a ferromagnetic frame.

  • find the electric potential and the components of the current density between two circular metallic conductors.
  • scattering problem
    compute reflected waves from an object illuminated by incident waves.

electromagnetic equations

  • electrostatics and magnetostatics
    partial differential equations for electrostatics and magnetostatics problems.

  • partial differential equations for direct current electrical conduction problems.

  • partial differential equations for time-harmonic electromagnetic fields.
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