Mechanical SystemsEngineeringMechanical SystemsMechanical Systems EngineeringMechanical Systems Topologyoptimizationisapowerfulnumericaldesignmethodologythatreproducestheimprovementofdeviceperformanceevaluatedusingnumericalanalyses.Topologyoptimizationmethodallowsnotonlyshapevariationbutalsoavariationofstructuraltopology,whichincludesthecreationsofnewpores,andthemethodpotentiallyprovideshighdesignfreedomwithinstructuralchange.structuralWedeveloptopologyoptimizationsexpressions,explorationmethodforoptimaltopology,andapplications.Ourmainresearchinterestfluiddynamics.Currentresearchprojectsare:directnumericalsimulationsofflowsoveranopencavity,includingstudiesoftheeffectsofcavityaspectratioonself-sustainedoscillationsofseparatedshearlayerandrecirculatingvorticesinthecavity;activecontrolofcavityflow;directnumericalsimulationsofjet–edgesystem;directandlargeeddysimulationsoftwo-dimensionalturbulentjets.Newfunctionalitywillsimulationsthroughprintings,cuttings.suchasbedemonstratedtopologybutalsooptimization,andcanWeopportunitiesComputationalOptimizationsProgramming.provideandyouexpertizesPhysics,andTheNavier-Stokesequations,thatarethemomentumequationsofflow,arenonliniear.Thussolvingtheseequationsisverydifficult.NumericalsolutionsoftheNavier-Stokesequationsforcomplexflowscanbeobtainedusingsupercomputers.Wecaninvestigatethemechanismofcomplexflowusingadvancedsupercomputers.fromnumericalNumericalsimulationhasbeenausefulforengineeringdesignandanalysis.Alumnusfromourlaboratoryareworkingasmechanicalengineers,mechanicaldesigners,softwaredesigners,systemengineers,etc.intermsofiscomputationalcloakingonlyexperiments3DadvancedmachinerynoteducationalonStructuralNumericalsimulationstoolIsosurfaces of vorticity in flow over cavity. The left figure shows an uncontrolled flow and the right figure shows a controlled flow. Isosurfaces of vorticity in a two-dimensional turbulent jet.CMA-ESbasedtopologyoptimizationforinvisiblecloakBifunctionaldevicedesignedbytopologyoptimizationGaruda FujiiAssociate ProfessorDr. in Eng. 2012, Nagoya University. Takashi YoshidaAssociateProfessorPhD Engineering 1995, Nagoya University.Faculty: Nagoya University, 1994-1997.Faculty: Shinshu University, 1997-In the FutureAfter GraduationIn the FutureAfter GraduationSpecialty: Structural Optimization, Finite Element Method, Level Set Method, Evolutional Computation. EngineeringEngineering0.2mmDesigning New Functional Devices through Topology OptimizationNumerical Simulations of Flows using high performance computing
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