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Grid electrodes

QuickField simulation example

This is a model of a fragment of the electrode system, used in the Large Underground Xenon dark matter experiment. Electrode is made from the wire grid with rectangular cells and positioned in the round grounded tank.

Problem Type electrostatics.

Geometry 3D extrusion.
Grid electrodes Electrodes are made from the wire grid with rectangular cells and positioned in the round grounded tank GND HV

Given
Relative permittivity of vacuum ε = 1,
Grid electrode potential U+ = 100 kV
Ground electrode, tank potentials U = 0 kV

Task
Find the electric field distribution.

Solution
Due to model symmetry only one quarter of the tank is simulated.

Results
Electric potential distribution around electrodes. Electric field strength distribution between HV grid electrode and grounded tank.
grid electrodes electric field simulation