{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/116273"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/116273","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"A hybrid particle method for the kinetic treatment of magnetized plasma sheaths","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms","abstract_has_math":false,"creators":["Tan, Xin Zhi"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Nuclear, Plasma, Radiolgc Engr","degree_department":null,"school":null,"contributors":["Curreli, Davide","Sankaran, R. Mohan"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-08","date_published":"2022-08","updated_at":"2026-07-22T22:24:56Z","subjects":["hPIC","Particle-in-cell method","Plasma sheaths","Guiding center model","Fully-kinetic model"],"languages":["en","eng"],"rights":["Copyright 2022 Xin Zhi Tan"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/116273","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Curreli, Davide","Sankaran, R. Mohan"]},{"key":"dc:creator","label":"Author","values":["Tan, Xin Zhi"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-08","2022-07-20"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Nuclear, Plasma, Radiolgc Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["hPIC","Particle-in-cell method","Plasma sheaths","Guiding center model","Fully-kinetic model"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2022 Xin Zhi Tan"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/116273"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms","The student, Xin Zhi Tan, accepted the attached license on 2022-07-19 at 14:19.","The student, Xin Zhi Tan, submitted this Thesis for approval on 2022-07-19 at 15:18.","This Thesis was approved for publication on 2022-07-20 at 10:48.","DSpace SAF Submission Ingestion Package generated from Vireo submission #18382 on 2022-11-15 at 18:21:43","The guiding center approximation is commonly adopted in fusion particle codes to resolve the motion of charged particles in the core and at the plasma edge of a magnetic fusion device. However, the guiding center approximation does not hold in regions where the field gradients are large, such as the plasma sheath and presheath formed in front of a material surface. Here we present a new hybrid Lagrangian method, which converts the guiding center particles into finite-orbit particles once they reach a region close to the boundary, where the field gradients become large. The domain is divided into a guiding center region and a full-orbit region, and the conversion of the particle is performed both ways. We present numerical results from an implementation of this new scheme within the hPIC Particle-in-Cell developed at Illinois. We show that the approach can accurately resolve the full orbit physics of the plasma sheath, still allowing us to treat the vast majority of the plasma bulk with the usual guiding-center approximation."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["A hybrid particle method for the kinetic treatment of magnetized plasma sheaths"]}]}],"canonical_facts":{"dc:contributor":["Curreli, Davide","Sankaran, R. Mohan"],"dc:creator":["Tan, Xin Zhi"],"dc:date":["2022-08","2022-07-20"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms","The student, Xin Zhi Tan, accepted the attached license on 2022-07-19 at 14:19.","The student, Xin Zhi Tan, submitted this Thesis for approval on 2022-07-19 at 15:18.","This Thesis was approved for publication on 2022-07-20 at 10:48.","DSpace SAF Submission Ingestion Package generated from Vireo submission #18382 on 2022-11-15 at 18:21:43","The guiding center approximation is commonly adopted in fusion particle codes to resolve the motion of charged particles in the core and at the plasma edge of a magnetic fusion device. However, the guiding center approximation does not hold in regions where the field gradients are large, such as the plasma sheath and presheath formed in front of a material surface. Here we present a new hybrid Lagrangian method, which converts the guiding center particles into finite-orbit particles once they reach a region close to the boundary, where the field gradients become large. The domain is divided into a guiding center region and a full-orbit region, and the conversion of the particle is performed both ways. We present numerical results from an implementation of this new scheme within the hPIC Particle-in-Cell developed at Illinois. We show that the approach can accurately resolve the full orbit physics of the plasma sheath, still allowing us to treat the vast majority of the plasma bulk with the usual guiding-center approximation."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/116273"],"dc:language":["en","eng"],"dc:rights":["Copyright 2022 Xin Zhi Tan"],"dc:subject":["hPIC","Particle-in-cell method","Plasma sheaths","Guiding center model","Fully-kinetic model"],"dc:title":["A hybrid particle method for the kinetic treatment of magnetized plasma sheaths"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Nuclear, Plasma, Radiolgc Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:56Z"}