Engineering-Research-Activity2015｜SHINSHU UNIV.

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FujiiLabOpticalcloakingdevicescanrenderobjectsinvisiblebycontrollingtheflowoflightaroundtheobjectswithoutanyscattering.Cloakingdevicescomposedofdielectricmaterialsaredesignedbyusingtopologyoptimizationmethod.Topologyoptimizationmethodsenableustomaximizedevicesperformancesbydesigningdevicesstructures.Intheoptimizationsofcloakingdevices,theamountoflightscatteringisminimizedandbecomesalmostzero.Wenowtrytofabricateopticalcloaksbyusing3Dprinterstorealizehigh-performanceopticalcloaks.STLdataarecreatedbyFEMdataofoptimalconfigurationsandexperimentsforcloakingperformancewillbecarriedout.Wealsotrytoimprovecloakingperformanceforfrequencies.Designingwide-bandcloaksisoneofthemostimportantandinterestingfutureworks.Garuda Fujii,Assis. Prof., Dr. Eng. Nagoya Univ. in 2012, Assistant Professor in Akita Prefectural University, April 2012 –September 2013, Assistant Professor in ShinshuUniversity, October 2013 -now.Computing machineries, displays, and UPSs for numerical computations. Optical cloak of invisibility &Topology optimizationDesigned optimal cloaking structures and their cloaking performances. Graduatesofourlaboratoryworkinvariousengineeringcompanies.In the FutureAfter GraduationEnvironmental Science &TechnologyNiuLabWehavebeenconductingresearchesonthevariouscorrosionmechanismsandthepreventionsoftheboilerequipmentmaterialsandthesteamturbinematerialsforthermalandgeothermalpowerplants.Wealsoresearchonthecreepstrengthsandfracturesofthehigh-pressuresteamturbinerotormaterialsforthermalpowerplantsforlong-termservicesathighertemperatures.Contributetothesafetyimprovementofpowergenerationsandtheeffectiveutilizationofgeothermalenergy.Asengineersandscientistsinthefuturewepersistinstudy,experiment,analysis,calculationanddiscussionsinthelaboratory,aswellaspresentationsinacademicmeetings,toacquirepracticalabilityandknowledgeonengineeringmaterials.Dr. Li-Bin NiuAssociate ProfessorHis academic researches span the strengths and fractures of engineering materials.ImprovingthereliabilityofpowerplantmaterialsManyofourgraduatesareactiveinthefieldofresearchanddevelopment,designandproductionmanagementintherelatedcompaniesofmaterial,machinery,automobile,powerandelectricalmachinery.0.5mm0.2mmAnalyzing the passive films formed on the boiler tube steels in the simulated boiler feed-water of thermal power plants with XPS.Creep cracks generated near notch-root of a turbine rotor steel and the distributions of mean stress calculated by FEM.A pit formed on the specimen surface of a turbine blade steel.In the FutureAfter GraduationEnvironmental Science &Technology62

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