Finite difference time domain simulation of earth electrodes soil ionisation under lightning surge condition
The non linear effects of soil ionisation on the behaviour of earth electrodes are investigated
by a finite difference time domain numerical scheme. A time variable soil resistivity is used in
order to simulate the soil breakdown; step by step the resistivity value is controlled by the
local instantaneous value of the electric field compared with the electrical strength, fixed for
the soil. No a priori hypothesis about the geometrical shape of the ionised zone around the
electrodes has to be enforced. Simulation results related to complex earth electrodes of …
by a finite difference time domain numerical scheme. A time variable soil resistivity is used in
order to simulate the soil breakdown; step by step the resistivity value is controlled by the
local instantaneous value of the electric field compared with the electrical strength, fixed for
the soil. No a priori hypothesis about the geometrical shape of the ionised zone around the
electrodes has to be enforced. Simulation results related to complex earth electrodes of …
[PDF][PDF] Finite difference time domain simulation of earth electrodes soil ionisation under lightning surge condition
GAPLBP Romano, F Viola - 2008 - academia.edu
The non linear effects of soil ionisation on the behaviour of earth electrodes are investigated
by a finite difference time domain numerical scheme. A time variable soil resistivity is used in
order to simulate the soil breakdown; step by step the resistivity value is controlled by the
local instantaneous value of the electric field compared with the electrical strength, fixed for
the soil. No a priori hypothesis about the geometrical shape of the ionised zone around the
electrodes has to be enforced. Simulation results related to complex earth electrodes of …
by a finite difference time domain numerical scheme. A time variable soil resistivity is used in
order to simulate the soil breakdown; step by step the resistivity value is controlled by the
local instantaneous value of the electric field compared with the electrical strength, fixed for
the soil. No a priori hypothesis about the geometrical shape of the ionised zone around the
electrodes has to be enforced. Simulation results related to complex earth electrodes of …
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