Pyg4ometry: A Tool to Create Geometries for Geant4, BDSIM, G4Beamline and FLUKA for Particle Loss and Energy Deposit Studies

Stewart  Boogert; Andrey Abramov; Joshua Albrecht; Gian Luigi D'Alessandro; Laurence Nevay; William Shields; Stuart Walker

doi:10.18429/JACoW-IPAC2019-WEPTS054

Pyg4ometry: A Tool to Create Geometries for Geant4, BDSIM, G4Beamline and FLUKA for Particle Loss and Energy Deposit Studies

Stewart Boogert, Andrey Abramov, Joshua Albrecht, Gian Luigi D'Alessandro, Laurence Nevay, William Shields, Stuart Walker

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Studying the energy deposits in accelerator components, mechanical supports, services, ancillary equipment and shielding requires a detailed computer readable description of the component geometry. The creation of geometries is a significant bottleneck in producing complete simulation models and reducing the effort required will provide the abil- ity of non-experts to simulate the effects of beam losses on realistic accelerators. The paper describes a flexible and easy to use Python package to create geometries usable by either Geant4 (and so BDSIM or G4Beamline) or FLUKA either from scratch or by conversion from common engineering formats, such as STEP or IGES created by industry standard CAD/CAM packages. The conversion requires an intermediate conversion to STL or similar triangular or tetrahedral tessellation description. A key capability of pyg4ometry is to mix GDML/STEP/STL geometries and visualisation of the resulting geometry and determine if there are any geometric overlaps. An example conversion of a complex geometry used in Geant4/BDSIM is presented.

Original language	English
Title of host publication	10th International Particle Accelerator Conference
Publisher	JACoW Publishing
Pages	3244-3247
Number of pages	4
ISBN (Electronic)	978-3-95450-208-0
DOIs	https://doi.org/10.18429/JACoW-IPAC2019-WEPTS054
Publication status	Published - 21 Jun 2019
Event	10th International Particle Accelerator Conference, IPAC 2019 - Melbourne, Australia Duration: 19 May 2019 → 24 May 2019

Conference

Conference	10th International Particle Accelerator Conference, IPAC 2019
Country/Territory	Australia
City	Melbourne
Period	19/05/19 → 24/05/19

Access to Document

10.18429/JACoW-IPAC2019-WEPTS054Licence: CC BY

Cite this

@inproceedings{592a68027f234131909aebc0c989ca79,

title = "Pyg4ometry: A Tool to Create Geometries for Geant4, BDSIM, G4Beamline and FLUKA for Particle Loss and Energy Deposit Studies",

abstract = "Studying the energy deposits in accelerator components, mechanical supports, services, ancillary equipment and shielding requires a detailed computer readable description of the component geometry. The creation of geometries is a significant bottleneck in producing complete simulation models and reducing the effort required will provide the abil- ity of non-experts to simulate the effects of beam losses on realistic accelerators. The paper describes a flexible and easy to use Python package to create geometries usable by either Geant4 (and so BDSIM or G4Beamline) or FLUKA either from scratch or by conversion from common engineering formats, such as STEP or IGES created by industry standard CAD/CAM packages. The conversion requires an intermediate conversion to STL or similar triangular or tetrahedral tessellation description. A key capability of pyg4ometry is to mix GDML/STEP/STL geometries and visualisation of the resulting geometry and determine if there are any geometric overlaps. An example conversion of a complex geometry used in Geant4/BDSIM is presented.",

author = "Stewart Boogert and Andrey Abramov and Joshua Albrecht and D'Alessandro, {Gian Luigi} and Laurence Nevay and William Shields and Stuart Walker",

year = "2019",

month = jun,

day = "21",

doi = "10.18429/JACoW-IPAC2019-WEPTS054",

language = "English",

pages = "3244--3247",

booktitle = "10th International Particle Accelerator Conference",

publisher = "JACoW Publishing",

note = "10th International Particle Accelerator Conference, IPAC 2019 ; Conference date: 19-05-2019 Through 24-05-2019",

}

Boogert, S, Abramov, A, Albrecht, J, D'Alessandro, GL, Nevay, L , Shields, W & Walker, S 2019, Pyg4ometry: A Tool to Create Geometries for Geant4, BDSIM, G4Beamline and FLUKA for Particle Loss and Energy Deposit Studies. in 10th International Particle Accelerator Conference. JACoW Publishing, pp. 3244-3247, 10th International Particle Accelerator Conference, IPAC 2019, Melbourne, Australia, 19/05/19. https://doi.org/10.18429/JACoW-IPAC2019-WEPTS054

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AU - Boogert, Stewart

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AU - Albrecht, Joshua

AU - D'Alessandro, Gian Luigi

AU - Nevay, Laurence

AU - Shields, William

AU - Walker, Stuart

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AB - Studying the energy deposits in accelerator components, mechanical supports, services, ancillary equipment and shielding requires a detailed computer readable description of the component geometry. The creation of geometries is a significant bottleneck in producing complete simulation models and reducing the effort required will provide the abil- ity of non-experts to simulate the effects of beam losses on realistic accelerators. The paper describes a flexible and easy to use Python package to create geometries usable by either Geant4 (and so BDSIM or G4Beamline) or FLUKA either from scratch or by conversion from common engineering formats, such as STEP or IGES created by industry standard CAD/CAM packages. The conversion requires an intermediate conversion to STL or similar triangular or tetrahedral tessellation description. A key capability of pyg4ometry is to mix GDML/STEP/STL geometries and visualisation of the resulting geometry and determine if there are any geometric overlaps. An example conversion of a complex geometry used in Geant4/BDSIM is presented.

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