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dc.rights.licenseAtribución-NoComercial 4.0 Internacional
dc.contributor.advisorMontealegre Rubio, Wilfredo
dc.contributor.authorForonda Obando, Esteban
dc.identifier.citationForonda, Esteban (2020). Optimización topológica aplicada al diseño de turbomáquinas considerando restricciones estructurales y sobre el fluido (tesis de maestría). Universidad Nacional de Colombia
dc.description.abstractThe performance of turbomachines is highly dependent on the design of the rotor and optimizing its interaction with the fluid has been an active research field in academia and industry. The Topology Optimization Method has proven successful in the design of rotors of radial flow machines, including numerical and experimental performance assessment and allowing the creation of non-intuitive optimum geometries. Usually, the optimization process is developed from the fluid perspective, for objective functions such as energy dissipation and vorticity; however, this methodology does not guarantee that the structural response satisfies the constraints on factors like stiffness, stress and temperature, requiring an iterative process to obtain a feasible design that is no longer optimum. In the present work, the two physics of this problems are coupled by considering the fluid-structure interaction. The effect of including the structural response on the optimum designs is verified, consolidating a robust methodology that can be extended to solve more complex physics such as fluid compressibility, flow transients and turbulence.
dc.description.abstractEl desempeño de las turbomáquinas depende fuertemente del diseño del rotor, por lo que la optimización de su interacción con el fluido ha sido un campo de investigación activo, tanto en la academia como en la industria. El Método de Optimización Topológica ha demostrado ser exitoso en el diseño de rotores de máquinas de flujo radial, incluyendo la evaluación de desempeño numérico y experimental y permitiendo la creación de geometrías no intuitivas. Comúnmente, el proceso de optimización es desarrollado desde la perspectiva del fluido, para funciones objetivo como la disipación de energía y la vorticidad; sin embargo, esta metodología no garantiza que la respuesta estructural satisface las restricciones en factores como rigidez, esfuerzos y temperaturas, requiriendo un proceso iterativo para obtener una solución factible pero que no es óptima. En este trabajo, las dos físicas de este problema son acopladas al considerar la interacción fluido-estructura. Así, se verifica el efecto de incluir la respuesta estructural en el problema de optimización, consolidando una metodología robusta que puede ser extendida a resolver físicas más complejas, como compresibilidad del fluido, flujo transitorio y turbulencia.
dc.rightsDerechos reservados - Universidad Nacional de Colombia
dc.subject.ddc620 - Ingeniería y operaciones afines
dc.subject.ddc620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería
dc.titleOptimización topológica aplicada al diseño de turbomáquinas considerando restricciones estructurales y sobre el fluido
dc.title.alternativeTopology optimization applied to the design of turbomachines considering structural and fluid restrictions
dc.rights.spaAcceso abierto
dc.publisher.programMedellín - Minas - Maestría en Ingeniería Mecánica
dc.contributor.researchgroupDiseño y Optimización Aplicada (DOA)
dc.publisher.departmentDepartamento de Ingeniería Mecánica
dc.publisher.branchUniversidad Nacional de Colombia - Sede Medellín
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dc.subject.proposalOptimización topológica
dc.subject.proposalTopology optimization
dc.subject.proposalInteracción fluido-estructura
dc.subject.proposalFluid-structure interaction
dc.subject.proposalFinite element method
dc.subject.proposalMétodo de los elementos finitos

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