Cropping of particles at boundaries for deposition for charge conservation #5649
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Only in Villasenor and Buneman current deposition in this commit
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The cropping should not be applied at PMC (symmetry) boundaries. Only at physical boundaries like conductors and insulators. |
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Now the crop is done relative to the grid indices. This may be better anyway since it avoids roundoff in the positions as they are used for interpolation.
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This modifies the deposition (and field gather), cropping particle orbits at the boundary of the domain for PEC and insulator boundaries. This is a simple way of achieving charge conservation as particles are absorbed at boundaries.
In input flag
particles.crop_on_PEC_boundarywas added to turn this feature on. It now defaults tofalse.Only implemented in Villasenor and Buneman and Esirkepov current deposition.