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

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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.descriptionilustraciones, fotografíasspa
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)spa
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)eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en ingeniería - ingeniería Mecánicaspa
dc.format.extent131 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/79743
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Ingeniería Mecánica y Mecatrónicaspa
dc.publisher.facultyFacultad de Ingenieríaspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Ingeniería Mecánicaspa
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dc.rightsDerechos Reservados al Autor, 2015spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingenieríaspa
dc.subject.lembIngeniería de estructuras
dc.subject.proposalOptimización estructural evolutivaspa
dc.subject.proposalOptimización topológicaspa
dc.subject.proposalQuimiotaxis de bacteriasspa
dc.subject.proposalEvolutionary structural optimizationeng
dc.subject.proposalTopology optimizationeng
dc.subject.proposalBacterial chemotaxiseng
dc.subject.unescoTopología
dc.titleMétodo de optimización topológica de estructuras continuas basado en quimiotaxis de bacteriasspa
dc.title.translatedTopology optimization method of continuous structures based on bacterial chemotaxiseng
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audienceGeneralspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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