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Add absorber option to Aperture element. #758

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merged 10 commits into from
Nov 20, 2024

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@cemitch99 cemitch99 commented Nov 19, 2024

Added an additional (optional) string input to the Aperture element, allowing the user to select between two "actions":

transmit - the specified boundary describes the plane region in which particles are transmitted (default)
absorb - the specified boundary describes the plane region in which particles are absorbed

The second option yields the "negative" of the first, and is useful in describing, e.g., absorber sections.

Overlapping elliptical apertures:
EllipticalApertures_Overlapping

src/python/elements.cpp Outdated Show resolved Hide resolved
@cemitch99 cemitch99 added the component: elements Elements/external fields label Nov 19, 2024
@cemitch99 cemitch99 added this to the Advanced Methods (SciDAC-5) milestone Nov 19, 2024
Modify modulo step in Aperture.H to fix the case of overlapping elliptical apertures.
@cemitch99 cemitch99 merged commit f4bd0f8 into ECP-WarpX:development Nov 20, 2024
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Looks good, thanks @cemitch99!


After a short drift of 0.123, the beam hits a 1 mm x 1.5 mm rectangular structure, resulting in particle loss.

In this test, the initial values of :math:`\sigma_x`, :math:`\sigma_y`, :math:`\sigma_t`, :math:`\epsilon_x`, :math:`\epsilon_y`, and :math:`\epsilon_t` must agree with nomin>
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I think something got cut off at the end of this line

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