simpeg.electromagnetics.time_domain.sources.RawVec_Grounded.phiInitial#
- RawVec_Grounded.phiInitial(simulation)[source]#
Initial scalar potential
Returns the scalar potential at the initial time is static fields are present.
- Parameters:
- simulation
simpeg.electromagnetics.base.BaseEMSimulation
An electromagnetic simulation
- simulation
- Returns:
Zero
ornumpy.ndarray
Returns
Zero
if there are no initial fields. Returns a numpy.ndarray if there are initial fields.