ActiveField Technology

Applies to 
Returns/sets Ycomponent of the dielectric permittivity.
Object.Kyy ( [Absolute As Boolean] ) As Double
Object.Kyy As Double
Kxx and Kyy properties return and set a twocomponent tensor that represents the coefficient in the left part of the Poisson equation. Exact meaning and dimension of these coefficients depends on the problem type as show in the table below:
Kind of Analysis 
Kxx/Kyy Coefficients 
Units 
Electrostatic, AC conduction, Transient electic problems 
Dielectric permittivity 
F/m if Absolute=True, dimensionless otherwise 
DC and AC magnetics problem 
Magnetic permeability 
H/m if Absolute=True, dimensionless otherwise 
DC conduction problem 
Electric conductivity 
S/m (1/Ohm·m) 
Heat transfer problem

Thermal conductivity 
W/K·m 
Stress analysis problem 

N/A, see Elasticity property 
With problems of magnetostatics or heat transfer, specifying the Kxx/Kyy properties is an alternative to defining permeability or thermal conductivity as a function of field in form of Spline. When you assign a value to the Kxx/Kyy, the corresponded media considered as a linear (field independent) one, and the spline (if any) is discarded. Otherwise, assigning a Spline object to the Spline property, you discard the previously set Kxx/Kyy.
You always have to set values to both Kxx and Kyy properties, even if they are equal.
With problems of electrostatics, AC and DC magnetics Kxx and Kyy properties accept a Boolean parameter Absolute. If the value of True is given, the Kxx/Kyy properties return/set the absolute (in physical units) value rather than relative (dimensionless) one.