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dc.contributor.authorChen, Liang
dc.contributor.authorOzakin, Mehmet Burak
dc.contributor.authorBagci, Hakan
dc.date.accessioned2021-02-22T06:31:16Z
dc.date.available2021-02-22T06:31:16Z
dc.date.issued2020
dc.identifier.citationChen, L., Ozakin, M. B., & Bagci, H. (2020). A Low-Storage PML Implementation within a High-order Discontinuous Galerkin Time-Domain Method. 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting. doi:10.1109/ieeeconf35879.2020.9330033
dc.identifier.isbn978-1-7281-6671-1
dc.identifier.issn1522-3965
dc.identifier.doi10.1109/IEEECONF35879.2020.9330033
dc.identifier.urihttp://hdl.handle.net/10754/667549
dc.description.abstractThe perfectly matched layer (PML) is one of the most popular domain truncation techniques used by wave equation solvers. PML implementations often use smooth-varying attenuation coefficients to achieve desired levels of accuracy and efficiency by reducing numerical reflection and PML thickness, respectively. For a discontinuous Galerkin time-domain (DGTD) scheme, this approach requires storing a different mass matrix for every mesh element, and therefore significantly increases the memory footprint. In this work, an efficient implementation of PML, which makes use of weight-adjusted approximation to account for smooth-varying attenuation coefficients, is developed. The proposed scheme results in a DGTD scheme with a small memory footprint while maintaining the high-order accuracy of the solution using a thin PML.
dc.description.sponsorshipThis publication is supported by the KAUST OSR under Award No 2016-CRG5-2953. The authors would like to thank the KAUST Supercomputing Laboratory (KSL) for providing the required computational resources.
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttps://ieeexplore.ieee.org/document/9330033/
dc.relation.urlhttps://ieeexplore.ieee.org/document/9330033/
dc.relation.urlhttps://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9330033
dc.rightsArchived with thanks to IEEE
dc.subjectTime domain analysis
dc.subjectdiscontinuous Galerkin method
dc.subjectperfectly matched layers
dc.subjectweight-adjusted approximation
dc.titleA Low-Storage PML Implementation within a High-order Discontinuous Galerkin Time-Domain Method
dc.typeConference Paper
dc.contributor.departmentComputational Electromagnetics Laboratory
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.conference.date5-10 July 2020
dc.conference.name2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting
dc.conference.locationMontreal, QC, Canada
dc.eprint.versionPost-print
kaust.personChen, Liang
kaust.personOzakin, Mehmet Burak
kaust.personBagci, Hakan
kaust.grant.number2016-CRG5-2953
kaust.acknowledged.supportUnitKAUST Supercomputing Laboratory (KSL)
kaust.acknowledged.supportUnitOSR


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