{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83268"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83268","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Domain-Integral Methods for Computation of Fracture-Mechanics Parameters in Three-Dimensional Functionally-Graded Solids","abstract":"This work first develops and applies a domain integral method to compute J-integral and stress intensity factor values along crack fronts in FGM configurations under mode-I thermo-mechanical loading. The proposed domain integral formulation accommodates both linear-elastic and deformation-plastic behavior in FGMs. Next discussed is the extension of interaction-integral procedures to compute directly mixed-mode stress intensity factors and T-stresses along planar, curved cracks in FGMs under linear-elastic loading. The investigation addresses effects upon interaction integral procedures imposed by crackfront curvature, applied crack-face tractions and material nonhomogeneity. Additional considerations for T-stress evaluation include the influence of mode mixity and computation of the anti-plane shear component of non-singular stress, T13.","abstract_html":"This work first develops and applies a domain integral method to compute J-integral and stress intensity factor values along crack fronts in FGM configurations under mode-I thermo-mechanical loading. The proposed domain integral formulation accommodates both linear-elastic and deformation-plastic behavior in FGMs. Next discussed is the extension of interaction-integral procedures to compute directly mixed-mode stress intensity factors and T-stresses along planar, curved cracks in FGMs under linear-elastic loading. The investigation addresses effects upon interaction integral procedures imposed by crackfront curvature, applied crack-face tractions and material nonhomogeneity. Additional considerations for T-stress evaluation include the influence of mode mixity and computation of the anti-plane shear component of non-singular stress, T13.","abstract_has_math":false,"creators":["Walters, Matthew C."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil and Environmental Engineering","degree_department":null,"school":null,"contributors":["Paulino, Glaucio H.","Dodds, Robert H., Jr."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:04:00Z","date_published":"2015-09-25T21:04:00Z","updated_at":"2026-07-22T22:26:20Z","subjects":["Engineering, Civil"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3182412"],"render_values":[{"text":"(MiAaPQ)AAI3182412","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83268","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Paulino, Glaucio H.","Dodds, Robert H., Jr."]},{"key":"dc:creator","label":"Author","values":["Walters, Matthew C."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:04:00Z","10000-01-01","2005"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil and Environmental Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"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":["Engineering, Civil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/83268","(MiAaPQ)AAI3182412"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This work first develops and applies a domain integral method to compute J-integral and stress intensity factor values along crack fronts in FGM configurations under mode-I thermo-mechanical loading. The proposed domain integral formulation accommodates both linear-elastic and deformation-plastic behavior in FGMs. Next discussed is the extension of interaction-integral procedures to compute directly mixed-mode stress intensity factors and T-stresses along planar, curved cracks in FGMs under linear-elastic loading. The investigation addresses effects upon interaction integral procedures imposed by crackfront curvature, applied crack-face tractions and material nonhomogeneity. Additional considerations for T-stress evaluation include the influence of mode mixity and computation of the anti-plane shear component of non-singular stress, T13.","Made available in DSpace on 2015-09-25T21:04:00Z (GMT). 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The proposed domain integral formulation accommodates both linear-elastic and deformation-plastic behavior in FGMs. Next discussed is the extension of interaction-integral procedures to compute directly mixed-mode stress intensity factors and T-stresses along planar, curved cracks in FGMs under linear-elastic loading. The investigation addresses effects upon interaction integral procedures imposed by crackfront curvature, applied crack-face tractions and material nonhomogeneity. Additional considerations for T-stress evaluation include the influence of mode mixity and computation of the anti-plane shear component of non-singular stress, T13.","Made available in DSpace on 2015-09-25T21:04:00Z (GMT). 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