[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-217200-en":3,"doc-seo-217200-105":30,"detail-sidebar-cat-0-en-105":92},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},217200,1649267921044,"Ava Thompson","https://us-avatar.wpscdn.com/avatar/1800007509477c92dfb?_k=1786009248482753345",8,"Research & Report","LUÍS FERNANDO NOGUEIRA DE SÁ - Topology Optimization Method applied to Laminar Flow Machine Rotor Design","Flow machines play a central role in industry and can benefit from performance enhancements through topology optimization. This dissertation develops a methodology to design radial flow machine rotors operating under laminar flow by implementing a density-model topology optimization formulation. Rotor design includes fluid modeling via Navier-Stokes equations in a rotating reference frame and finite element method resolution. Material distribution uses a porous-flow Darcy-based model with inverse permeability to interpolate solid-fluid behavior. A multi-objective function minimizes viscous energy dissipation, vorticity, and power, with implementation in FEniCS and validation via ANSYS, followed by 3D-printed fabrication and experimental performance measurement.","LUÍS FERNANDO NOGUEIRA DE SÁ  \nTopology Optimization Method applied to Laminar Flow  \nMachine Rotor Design  \nSão Paulo  \nLUÍS FERNANDO NOGUEIRA DE SÁ  \nTopology Optimization Method applied to Laminar Flow  \nMachine Rotor Design  \nSubmitted in partial fulfilment of the requirements for the degree of Master of Science in Mechanical Engineering  \nSão Paulo  \nLUÍS FERNANDO NOGUEIRA DE SÁ  \nTopology Optimization Method applied to Laminar Flow  \nMachine Rotor Design  \nSubmitted in partial fulfilment of the requirements for the degree of Master of Science in Mechanical Engineering  \nField of Study:  \nControl and Mechanical Automation Engineering (3152)  \nSupervised by:  \nProf. Dr. Emílio Carlos Nelli Silva  \nSão Paulo  \nEste exemplar foi revisado e corrigido em relação à versão original, sobresponsabilidade única do autor e com a anuência de seu orientador.  \nSão Paulo,   de   de   Assinatura do autor:    \nAssinatura do orientador:    \nCatalogação-na-publicação  \nSá, Luís Fernando Nogueira de  \nTopology Optimization Method applied to Laminar Flow Machine Rotor Design / L. F. N. Sá --versão corr. --São Paulo, 2016.  \n113 p.  \nDissertação (Mestrado) -Escola Politécnica da Universidade de São Paulo. Departamento de Engenharia Mecatrônica e de Sistemas Mecânicos.  \n1. Métodos Topológicos (Otimização) 2. Bombas Centrífugas 3. Método dos Elementos Finitos 4. Dinâmica dos Fluidos (Simulação) I. Universidade de São Paulo. Escola Politécnica. Departamento de Engenharia Mecatrônica e de Sistemas Mecânicos II.t.  \nIn memory of my grandfather Hélio, who will always be present in my mind at every  \nstage of my life.  \nACKNOWLEDGEMENTS  \nTo my supervisor, Professor Dr. Emílio Carlos Nelli Silva, for the attention, discussionsand suggestions given during the execution of this dissertation. His guidance and support were precious for the development of this work.  \nTo my parents, [Claudio N. de](Claudio N. de) Sá [and Roseli B. N. de](and Roseli B. N. de) Sá, and to my brother, André N.  \nde Sá, not only for the education and formation proportioned, but also for the moments of happiness. I thank you all for the unconditional support to all my decisions. Also to Shiva, for the loyalty and caring. And in special to my grandfather, Hé[lio N. de](lio N. de) Sá, for the life lessons and guidance on being a better person.  \nTo my girlfriend Jacqueline Kian for the love, understanding and patience during the execution of this work.  \nTo my closest friends Igor Meira, Jone Chen, Caio Gutierrez and Natália Salgado for the support and friendship.  \nTo my laboratory colleagues Ricardo Amigo, Paulo Yamabe, Ruben Sallas, Sandro Vatanabe, Diego Prado, Mariana Moretti, César Kiyono and Francisco Oliveira for the academic discussions and companionship.  \nTo Professor Oswaldo Horikawa for the aid in building the experimental site and the electric motor. Also, to Bruno Utiyama for the help in 3D printing the prototypes.  \nTo Professor Juan Romero for the useful comments and for sharing information about his work.  \nTo FAPESP (São Paulo Research Foundation) for the financial support to this research under grant 2015/15189-7 .  \n\"Humankind cannot gain anything without first giving something in return. To obtain, something of equal value must be lost. \"  \n- Alphonse Elric  \nRESUMO  \nMáquinas de fluxo são muito importantes para a indústria, sendo utilizadas em diversos processos. Assim, melhorias de desempenho são fatores relevantes e podem ser alcançadas com a utilização de métodos de otimização, como a otimização topológica. Este trabalho visa desenvolver uma metodologia para projetar rotores de máquinas de fluxo radiais que operamem escoamento laminar implementando-se a formulação de otimização topológica baseada no modelo de densidades. O projeto de rotores envolve, primeiramente, a modelagem doescoamento utilizando-se as equações de Navier-Stokes em um referencial rotativo e autilização do Método de Elementos Finitos para a resolução das equações diferenciais. A distribuiç","cbCaimCCk0t6q0CQ","https://ap.wps.com/l/cbCaimCCk0t6q0CQ","pdf",11919385,1,115,"English","en",105,"# ACKNOWLEDGEMENTS\n# RESUMO\n# ABSTRACT","[{\"question\":\"What is the main goal of the dissertation?\",\"answer\":\"To develop a methodology for designing radial flow machine rotors that operate in laminar flow using a topology optimization formulation based on a density model.\"},{\"question\":\"How is the fluid flow modeled in the rotor design?\",\"answer\":\"The work models the flow with the Navier-Stokes equations in a rotating reference frame and solves the governing equations using the Finite Element Method.\"},{\"question\":\"How are the optimized topologies verified and tested?\",\"answer\":\"Optimized topologies are verified with ANSYS, post-processed into CAD models, fabricated via 3D printing, and experimentally characterized by measuring flow rate and pressure gain from the pumps.\"}]","LUÍS FERNANDO NOGUEIRA DE SÁ - Topology Optimization Method applied to 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is the main goal of the dissertation?","Question",{"text":76,"@type":77},"To develop a methodology for designing radial flow machine rotors that operate in laminar flow using a topology optimization formulation based on a density model.","Answer",{"name":79,"@type":74,"acceptedAnswer":80},"How is the fluid flow modeled in the rotor design?",{"text":81,"@type":77},"The work models the flow with the Navier-Stokes equations in a rotating reference frame and solves the governing equations using the Finite Element Method.",{"name":83,"@type":74,"acceptedAnswer":84},"How are the optimized topologies verified and tested?",{"text":85,"@type":77},"Optimized topologies are verified with ANSYS, post-processed into CAD models, fabricated via 3D printing, and experimentally characterized by measuring flow rate and pressure gain from the 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