{"id":{"repo_id":"byu","oai_identifier":"oai:scholarsarchive.byu.edu:etd-1192"},"canonical_url":"https://search.dev.ndltd.org/etd/byu/oai:scholarsarchive.byu.edu:etd-1192","repository":{"repo_id":"byu","name":"Brigham Young University","base_url":"https://scholarsarchive.byu.edu/do/oai/"},"display":{"title":"A CAD-centric Approach to CFD Analysis With Discrete Features","abstract":"<p>During the conceptual design stage several concepts are generated, and a few are selected for detailed analyses. CAD models from conceptual design often follow the \"over-the-wall\" approach for downstream analyses such as FEA, CFD, heat transfer, and vibrations. A CAD-centric approach will be applied to the CAD-to-CFD process to help industry in an ongoing quest to shorten the design cycle time. The CAD-centric approach consists of using the CAD model as a source of data for downstream applications such as mesh generation, and CFD setup. The CAD model used in the CAD-centric approach contains the geometry to be analyzed and non-geometric data required to solve the CFD problem in the form of attributes.</p> <p>Attributes can be associated to entities of the geometry such as the faces, edges, and volumes. Any operations changing geometry require the CAD-centric model be reworked. One class of topology alterations is the discrete feature problem that is encountered when an array of features change in number. A method is proposed, developed and reported on that adapts the CAD-centric approach to account for discrete feature changes that occur during preliminary design.</p>","abstract_html":"<p>During the conceptual design stage several concepts are generated, and a few are selected for detailed analyses. CAD models from conceptual design often follow the "over-the-wall" approach for downstream analyses such as FEA, CFD, heat transfer, and vibrations. A CAD-centric approach will be applied to the CAD-to-CFD process to help industry in an ongoing quest to shorten the design cycle time. The CAD-centric approach consists of using the CAD model as a source of data for downstream applications such as mesh generation, and CFD setup. The CAD model used in the CAD-centric approach contains the geometry to be analyzed and non-geometric data required to solve the CFD problem in the form of attributes.</p> <p>Attributes can be associated to entities of the geometry such as the faces, edges, and volumes. Any operations changing geometry require the CAD-centric model be reworked. One class of topology alterations is the discrete feature problem that is encountered when an array of features change in number. A method is proposed, developed and reported on that adapts the CAD-centric approach to account for discrete feature changes that occur during preliminary design.</p>","abstract_has_math":false,"creators":["King, Matthew Lee"],"institution":"Brigham Young University - Provo","degree_name":"MS","degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-07-24T01:27:25Z","subjects":["CAD","Parametric","Computer Aided Design","CAE","Computer Aided Engineering","CAD-centric","CFD","Computation Fluid Dynamics","analysis","discrete feature","mesh","grid","CAD attributes","airsolid","wave","Mechanical Engineering"],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://scholarsarchive.byu.edu/etd/193","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["King, Matthew Lee"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2004-10-24T07:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["Brigham Young University - Provo"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["MS"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["CAD","Parametric","Computer Aided Design","CAE","Computer Aided Engineering","CAD-centric","CFD","Computation Fluid Dynamics","analysis","discrete feature","mesh","grid","CAD attributes","airsolid","wave","Mechanical Engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholarsarchive.byu.edu/etd/193","https://scholarsarchive.byu.edu/context/etd/article/1192/viewcontent/ETD_CISOPTR_212.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Ira A. Fulton College of Engineering and Technology; Mechanical Engineering"]},{"key":"dc:description.abstract","label":"Abstract","values":["<p>During the conceptual design stage several concepts are generated, and a few are selected for detailed analyses. CAD models from conceptual design often follow the \"over-the-wall\" approach for downstream analyses such as FEA, CFD, heat transfer, and vibrations. A CAD-centric approach will be applied to the CAD-to-CFD process to help industry in an ongoing quest to shorten the design cycle time. The CAD-centric approach consists of using the CAD model as a source of data for downstream applications such as mesh generation, and CFD setup. The CAD model used in the CAD-centric approach contains the geometry to be analyzed and non-geometric data required to solve the CFD problem in the form of attributes.</p> <p>Attributes can be associated to entities of the geometry such as the faces, edges, and volumes. Any operations changing geometry require the CAD-centric model be reworked. One class of topology alterations is the discrete feature problem that is encountered when an array of features change in number. A method is proposed, developed and reported on that adapts the CAD-centric approach to account for discrete feature changes that occur during preliminary design.</p>"]},{"key":"dc:format","label":"Dc Format","values":["application:pdf"]},{"key":"dc:source","label":"Dc Source","values":["Brigham Young University - Provo"]},{"key":"dc:title","label":"Title","values":["A CAD-centric Approach to CFD Analysis With Discrete Features"]}]}],"canonical_facts":{"dc:creator":["King, Matthew Lee"],"dc:date":["2004-10-24T07:00:00Z"],"dc:description":["Ira A. Fulton College of Engineering and Technology; Mechanical Engineering"],"dc:description.abstract":["<p>During the conceptual design stage several concepts are generated, and a few are selected for detailed analyses. CAD models from conceptual design often follow the \"over-the-wall\" approach for downstream analyses such as FEA, CFD, heat transfer, and vibrations. A CAD-centric approach will be applied to the CAD-to-CFD process to help industry in an ongoing quest to shorten the design cycle time. The CAD-centric approach consists of using the CAD model as a source of data for downstream applications such as mesh generation, and CFD setup. The CAD model used in the CAD-centric approach contains the geometry to be analyzed and non-geometric data required to solve the CFD problem in the form of attributes.</p> <p>Attributes can be associated to entities of the geometry such as the faces, edges, and volumes. Any operations changing geometry require the CAD-centric model be reworked. One class of topology alterations is the discrete feature problem that is encountered when an array of features change in number. A method is proposed, developed and reported on that adapts the CAD-centric approach to account for discrete feature changes that occur during preliminary design.</p>"],"dc:format":["application:pdf"],"dc:identifier":["https://scholarsarchive.byu.edu/etd/193","https://scholarsarchive.byu.edu/context/etd/article/1192/viewcontent/ETD_CISOPTR_212.pdf"],"dc:language":["English"],"dc:publisher":["Brigham Young University - Provo"],"dc:source":["Brigham Young University - Provo"],"dc:subject":["CAD","Parametric","Computer Aided Design","CAE","Computer Aided Engineering","CAD-centric","CFD","Computation Fluid Dynamics","analysis","discrete feature","mesh","grid","CAD attributes","airsolid","wave","Mechanical Engineering"],"dc:title":["A CAD-centric Approach to CFD Analysis With Discrete Features"],"dc:type":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T01:27:25Z"}