Aplikasi pengoptimuman berbilang kriteria pad a rekabentuk femur palsu (artificial hip prosthesis) untuk mengurangkan hadangan tegasan (stress shielding)

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dc.contributor.authorAhmad, Mohd. Nizam
dc.date.accessioned2015-07-10T04:59:50Z
dc.date.accessioned2015-07-10T05:00:12Z
dc.date.available2015-07-10T04:59:50Z
dc.date.available2015-07-10T05:00:12Z
dc.date.issued2004
dc.description.abstractStress shielding is a problem which occurs due to in appropriate design of hip prosthesis in the femur. That problem will cause bone remodelling and the bone becomes more porous and weak. Until now, that stress cannot be eliminated completely, but only be minimized. The primary goal of this research is to reduce.that stress in to the minimum level. Even though, ideally it should be eliminated totally. In this research, the multiple criteria optimization method will be used to optimize the size of hip prosthesis design tq reduce stress shielding. The algorithm inĀ· , : FOTRAN (comp.u ter programming) was created based on multiple criteria optimization concept to optimize the implant. The optimization validation also was done to confirm the methodology adapted. The output of the optimization (computer program) is an optimal size of implant design. The stress analysis using FEA was done for both optimum implant and conventional implant to check the stress value and the location where it is shielded. Finally, the comparison oft he stress shielding magnitude and theirs ide-effects was done for both implants. Based o n the analysis, the optimization was achieved in reducing the stress shielding through optimal implant design. Almost 40% stress shielding was reduced using the optimal implant design. It resulted the bett.e. r load transfer condition between bone and implant interface.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/824
dc.language.isootheren_US
dc.subjectBerbilang kriteriaen_US
dc.subjectArtificial hip prosthesisen_US
dc.subjectStress shieldingen_US
dc.titleAplikasi pengoptimuman berbilang kriteria pad a rekabentuk femur palsu (artificial hip prosthesis) untuk mengurangkan hadangan tegasan (stress shielding)en_US
dc.typeThesisen_US
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