{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/50076"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/50076","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Analysis of nonlinear electroelastic continua with electric conduction","abstract":"This thesis presents the nonlinear theory for large deformation electroelastic continua with electric conduction. This theory is suitable for modeling actuator and sensor devices composed of deformable, electromechanically coupled, highly insulating materials. Consistency is proven between the large deformation theory and the classical Poynting vector based piezoelectric small deformation theory, extended for electric conduction. A result is that electric body forces, realized mathematically as electric surface tractions, are retained in the small deformation approximation. A finite element formulation is presented suitable for performance analysis of deformable electromechanical actuator and sensor devices composed of highly insulating materials with nonlinear response functions, under the small deformation approximation. Results demonstrate the significant cumulative effects of a weak electric current flow for electric voltage DC offset loading of a highly electrically insulating composite device.","abstract_html":"This thesis presents the nonlinear theory for large deformation electroelastic continua with electric conduction. This theory is suitable for modeling actuator and sensor devices composed of deformable, electromechanically coupled, highly insulating materials. Consistency is proven between the large deformation theory and the classical Poynting vector based piezoelectric small deformation theory, extended for electric conduction. A result is that electric body forces, realized mathematically as electric surface tractions, are retained in the small deformation approximation. A finite element formulation is presented suitable for performance analysis of deformable electromechanical actuator and sensor devices composed of highly insulating materials with nonlinear response functions, under the small deformation approximation. Results demonstrate the significant cumulative effects of a weak electric current flow for electric voltage DC offset loading of a highly electrically insulating composite device.","abstract_has_math":false,"creators":["Harper, John E. (John Edward), 1973-"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Aeronautics and Astronautics","school":null,"contributors":[],"advisors":["Nesbit W. Hagood IV."],"committee_chairs":[],"committee_members":[],"year":1999,"date_issued":"1999","date_published":"1999","updated_at":"2026-07-22T22:21:54Z","subjects":["Aeronautics and Astronautics"],"languages":["eng"],"rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/50076","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Nesbit W. Hagood IV."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. 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They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://dspace.mit.edu/handle/1721.1/7582"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1721.1/50076"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1999.","Includes bibliographical references (p. 135-137)."]},{"key":"dc:description.abstract","label":"Abstract","values":["This thesis presents the nonlinear theory for large deformation electroelastic continua with electric conduction. This theory is suitable for modeling actuator and sensor devices composed of deformable, electromechanically coupled, highly insulating materials. Consistency is proven between the large deformation theory and the classical Poynting vector based piezoelectric small deformation theory, extended for electric conduction. A result is that electric body forces, realized mathematically as electric surface tractions, are retained in the small deformation approximation. A finite element formulation is presented suitable for performance analysis of deformable electromechanical actuator and sensor devices composed of highly insulating materials with nonlinear response functions, under the small deformation approximation. Results demonstrate the significant cumulative effects of a weak electric current flow for electric voltage DC offset loading of a highly electrically insulating composite device."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.M."]},{"key":"dc:title","label":"Title","values":["Analysis of nonlinear electroelastic continua with electric conduction"]}]}],"canonical_facts":{"dc:contributor.advisor":["Nesbit W. Hagood IV."],"dc:contributor.department":["Massachusetts Institute of Technology. Department of Aeronautics and Astronautics"],"dc:creator":["Harper, John E. (John Edward), 1973-"],"dc:date.accessioned":["2009-12-10T19:08:52Z"],"dc:date.available":["2009-12-10T19:08:52Z"],"dc:date.issued":["1999"],"dc:description":["Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1999.","Includes bibliographical references (p. 135-137)."],"dc:description.abstract":["This thesis presents the nonlinear theory for large deformation electroelastic continua with electric conduction. This theory is suitable for modeling actuator and sensor devices composed of deformable, electromechanically coupled, highly insulating materials. Consistency is proven between the large deformation theory and the classical Poynting vector based piezoelectric small deformation theory, extended for electric conduction. A result is that electric body forces, realized mathematically as electric surface tractions, are retained in the small deformation approximation. A finite element formulation is presented suitable for performance analysis of deformable electromechanical actuator and sensor devices composed of highly insulating materials with nonlinear response functions, under the small deformation approximation. Results demonstrate the significant cumulative effects of a weak electric current flow for electric voltage DC offset loading of a highly electrically insulating composite device."],"dc:description.degree":["S.M."],"dc:identifier.uri":["http://hdl.handle.net/1721.1/50076"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Aeronautics and Astronautics"],"dc:title":["Analysis of nonlinear electroelastic continua with electric conduction"],"dc:type":["Thesis"]},"updated_at":"2026-07-22T22:21:54Z"}