{"id":{"repo_id":"york","oai_identifier":"oai:yorkspace.library.yorku.ca:10315/41794"},"canonical_url":"https://search.dev.ndltd.org/etd/york/oai:yorkspace.library.yorku.ca:10315/41794","repository":{"repo_id":"york","name":"York University","base_url":"https://yorkspace.library.yorku.ca/oai/request"},"display":{"title":"An Examination of the ThermopiezoelectricEffect in Piezoelectric Actuators Via Finite Elements","abstract":"The application of piezoelectric actuators in smart structures is a rapidly developing field, especially in aerospace environments. Since thermal effects play an important role in aerospace environments, thermopiezoelectricity has been studied as it takes into account the thermal field in addition to the mechanical and electrical fields. As a result, the coupling effects among these three fields have to be considered, including the pyroelectric (change in the electric potential due to the presence of a thermal field) and electrocaloric (change in the temperature when an electric field is applied) effects. This thesis presents an examination of how these coupled effects can affect the performance of piezoelectric bender and stack actuators in varying external environments. More specifically, this thesis investigates the influence of the pyroelectric and electrocaloric effects on the positioning and dynamic performance of these actuators in static and dynamic cases by using a custom written finite element code that considers the three fully coupled field equations of thermopiezoelectricity.","abstract_html":"The application of piezoelectric actuators in smart structures is a rapidly developing field, especially in aerospace environments. Since thermal effects play an important role in aerospace environments, thermopiezoelectricity has been studied as it takes into account the thermal field in addition to the mechanical and electrical fields. As a result, the coupling effects among these three fields have to be considered, including the pyroelectric (change in the electric potential due to the presence of a thermal field) and electrocaloric (change in the temperature when an electric field is applied) effects. This thesis presents an examination of how these coupled effects can affect the performance of piezoelectric bender and stack actuators in varying external environments. More specifically, this thesis investigates the influence of the pyroelectric and electrocaloric effects on the positioning and dynamic performance of these actuators in static and dynamic cases by using a custom written finite element code that considers the three fully coupled field equations of thermopiezoelectricity.","abstract_has_math":false,"creators":["Toledo, Rafael Chaves"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Orszulik, Ryan"],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-12-08","date_published":"2023-12-08","updated_at":"2026-07-24T06:33:43Z","subjects":["Aerospace engineering","Engineering","Mechanical engineering"],"languages":["en"],"rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10315/41794","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Orszulik, Ryan"]},{"key":"dc:creator","label":"Author","values":["Toledo, Rafael Chaves"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2023-12-08T14:51:30Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2023-12-08T14:51:30Z"]},{"key":"dc:date.issued","label":"Date","values":["2023-12-08"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Aerospace engineering","Engineering","Mechanical engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Author owns copyright, except where explicitly noted. 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This thesis presents an examination of how these coupled effects can affect the performance of piezoelectric bender and stack actuators in varying external environments. More specifically, this thesis investigates the influence of the pyroelectric and electrocaloric effects on the positioning and dynamic performance of these actuators in static and dynamic cases by using a custom written finite element code that considers the three fully coupled field equations of thermopiezoelectricity."]},{"key":"dc:title","label":"Title","values":["An Examination of the ThermopiezoelectricEffect in Piezoelectric Actuators Via Finite Elements"]}]}],"canonical_facts":{"dc:contributor.advisor":["Orszulik, Ryan"],"dc:creator":["Toledo, Rafael Chaves"],"dc:date.accessioned":["2023-12-08T14:51:30Z"],"dc:date.available":["2023-12-08T14:51:30Z"],"dc:date.issued":["2023-12-08"],"dc:description.abstract":["The application of piezoelectric actuators in smart structures is a rapidly developing field, especially in aerospace environments. Since thermal effects play an important role in aerospace environments, thermopiezoelectricity has been studied as it takes into account the thermal field in addition to the mechanical and electrical fields. As a result, the coupling effects among these three fields have to be considered, including the pyroelectric (change in the electric potential due to the presence of a thermal field) and electrocaloric (change in the temperature when an electric field is applied) effects. This thesis presents an examination of how these coupled effects can affect the performance of piezoelectric bender and stack actuators in varying external environments. More specifically, this thesis investigates the influence of the pyroelectric and electrocaloric effects on the positioning and dynamic performance of these actuators in static and dynamic cases by using a custom written finite element code that considers the three fully coupled field equations of thermopiezoelectricity."],"dc:identifier.uri":["https://hdl.handle.net/10315/41794"],"dc:language":["en"],"dc:rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"dc:subject":["Aerospace engineering","Engineering","Mechanical engineering"],"dc:title":["An Examination of the ThermopiezoelectricEffect in Piezoelectric Actuators Via Finite Elements"],"dc:type":["Electronic Thesis or Dissertation"]},"updated_at":"2026-07-24T06:33:43Z"}