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Método de optimización topológica de estructuras continuas basado en quimiotaxis de bacterias

dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.contributor.advisorGuzmán Pardo, María Alejandra
dc.contributor.authorLeón Medina, Jersson Xavier
dc.date.accessioned2021-06-30T14:00:03Z
dc.date.available2021-06-30T14:00:03Z
dc.date.issued2015
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/79743
dc.descriptionilustraciones, fotografías
dc.description.abstractEn este proyecto, la quimiotaxis de bacterias es utilizada para resolver problemas de optimización topológica estructural particularmente en estructuras continuas bidimensionales sometidas a cargas puntuales. Se desarrolló un algoritmo de optimización topológica denominado “Algoritmo de Optimización Topológica Basado en Quimiotaxis de Bacterias BCBTOA-2" que describe la estrategia quimiotáxica como mecanismo simulado para retirar material en una estructura con el ánimo de minimizar energía de deformación y maximizar rigidez. Se solucionaron algunos problemas evidenciados en optimización topológica como los llamados tableros de ajedrez y la dependencia de malla a través de un esquema de regularización basado en quimiotaxis de bacterias. A continuación, el algoritmo es aplicado a distintas configuraciones de vigas bidimensionales para mostrar su rendimiento y versatilidad; se aplicaron métricas de desempeño relacionadas con el valor de la energía de deformación total de una estructura y el número de iteraciones necesarias para que el algoritmo converja, esto con el _n de comparar el método propuesto frente a otros métodos de optimización topológica como son el método OC-SIMP y el método Soft BESO. (Texto tomado de la fuente)
dc.description.abstractIn this project, bacterial chemotaxis is used to solve structural topology optimization problems, especially in two-dimensional continuous structures subjected to point loads. A topology optimization algorithm called Bacterial-Chemotaxis-Based Topology Optimization Algorithm 2 BCBTOA-2”was developed to describes the chemotactic strategy as a simulation of material removal in a structure. The algorithm minimizes compliance and maximizes stiffness, so, the algorithm is applied to various two-dimensional configurations of beams to show its efficiency, performance and versatility. Common problems in topology optimization such as checkerboards and mesh dependence were solved through a regularization scheme based on bacterial chemotaxis. Then, the BCBTOA-2 algorithm is evaluated determining its effectiveness and computational performance. We apply performance metrics related to the value of the total compliance of a structure and the number of iterations required for the algorithm to converge, this in order to compare the proposed method, which is competitive with other methods of topology optimization as the OC-SIMP method and the Soft BESO method. (Text taken from source)
dc.format.extent131 páginas
dc.format.mimetypeapplication/pdf
dc.language.isospa
dc.publisherUniversidad Nacional de Colombia
dc.rightsDerechos Reservados al Autor, 2015
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería
dc.titleMétodo de optimización topológica de estructuras continuas basado en quimiotaxis de bacterias
dc.typeTrabajo de grado - Maestría
dcterms.audienceGeneral
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Ingeniería Mecánica
dc.description.degreelevelMaestría
dc.description.degreenameMagíster en ingeniería - ingeniería Mecánica
dc.identifier.instnameUniversidad Nacional de Colombia
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourlhttps://repositorio.unal.edu.co/
dc.publisher.departmentDepartamento de Ingeniería Mecánica y Mecatrónica
dc.publisher.facultyFacultad de Ingeniería
dc.publisher.placeBogotá, Colombia
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotá
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.subject.lembIngeniería de estructuras
dc.subject.proposalOptimización estructural evolutiva
dc.subject.proposalOptimización topológica
dc.subject.proposalQuimiotaxis de bacterias
dc.subject.proposalEvolutionary structural optimization
dc.subject.proposalTopology optimization
dc.subject.proposalBacterial chemotaxis
dc.subject.unescoTopología
dc.title.translatedTopology optimization method of continuous structures based on bacterial chemotaxis
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aa
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dc.type.redcolhttp://purl.org/redcol/resource_type/TM
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2


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