Linear DE curve Model

Presentation

This model defines a D(E) law of linear behavior for an isotropic dielectric material.

Mathematical model

This model is a straight line.

The corresponding mathematical formula is written:

D(E) = ε0εrE

where :

  • ε0 is the permittivity of vacuum; ε0=1.10-9/36π [F/m]
  • εr is the relative permittivity of the material

The shape of the D(E) curve is given in the figure below.

Dialog box

  • Open a Create Material dialog box in menu Analysis > Material > Create
  • Choose Solid as Category field
  • Choose Dielectric as Class field
  • In Electrical Properties:
    • Choose Linear type in DE Curve field
    • Define Relative Permittivity