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Use pyamrex in spacecraft charging example #4817

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Use pyamrex in spacecraft charging example #4817

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4a5baba
Use pyamrex in examples
RemiLehe Apr 2, 2024
bd05e34
Merge branch 'development' into use_pyamrex
RemiLehe Sep 23, 2024
9795d89
Fix minor typo
RemiLehe Sep 23, 2024
bdd5bc8
Merge branch 'development' into use_pyamrex
RemiLehe Sep 24, 2024
2fea46a
Fix breaking API change
RemiLehe Sep 24, 2024
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20 changes: 11 additions & 9 deletions ...ples/Physics_applications/spacecraft_charging/inputs_test_rz_spacecraft_charging_picmi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@

from pywarpx import picmi
from pywarpx.callbacks import installafterEsolve, installafterInitEsolve
from pywarpx.fields import ExWrapper, EzWrapper, PhiFPWrapper, RhoFPWrapper
from pywarpx.fields import PhiFPWrapper, RhoFPWrapper
from pywarpx.particle_containers import ParticleBoundaryBufferWrapper


Expand Down Expand Up @@ -49,10 +49,11 @@ def correct_space_charge_fields(self, q=None):
q = compute_actual_charge_on_spacecraft()

# Correct fields so as to recover the actual charge
Er = ExWrapper(include_ghosts=True)
Er[...] += (q - q_v) * self.normalized_Er
Ez = EzWrapper(include_ghosts=True)
Ez[...] += (q - q_v) * self.normalized_Ez
# TODO: add guard cells
Er = sim.extension.warpx.multifab("Efield_fp[x]", 0)
Er.saxpy(Er, (q - q_v), self.normalized_Er, 0, 0, 1, 0)
Ez = sim.extension.warpx.multifab("Efield_fp[z]", 0)
Ez.saxpy(Ez, (q - q_v), self.normalized_Ez, 0, 0, 1, 0)
phi = PhiFPWrapper(include_ghosts=True)
phi[...] += (q - q_v) * self.normalized_phi
self.spacecraft_potential += (q - q_v) * self.spacecraft_capacitance
Expand All @@ -79,10 +80,11 @@ def save_normalized_vacuum_Efields(
assert np.all(abs(rho[...]) < 1.0e-11)

# Record fields
Er = ExWrapper(include_ghosts=True)[:, :]
self.normalized_Er = Er[...] / q_v
Ez = EzWrapper(include_ghosts=True)[:, :]
self.normalized_Ez = Ez[...] / q_v
# TODO: add guard cells
self.normalized_Er = sim.extension.warpx.multifab("Efield_fp[x]", 0).copy()
self.normalized_Er.mult(1 / q_v, 0)
self.normalized_Ez = sim.extension.warpx.multifab("Efield_fp[z]", 0).copy()
self.normalized_Ez.mult(1 / q_v, 0)
phi = PhiFPWrapper(include_ghosts=True)[:, :]
self.normalized_phi = phi[...] / q_v

Expand Down
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