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Browsing Konferans bildirisi / sunumu by All Authors "105199"

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    Genetic algorithms in loading pattern optimization
    (Turkish Atomic Energy Authority, 2000-10) Yılmazbayhan, Aylin; Tombakoğlu, Mehmet; Bekar, Kürsat B.; Erdemli, A. Özgür; 105199; Bölüm Yok
    Genetic Algorithm (GA) based systems are used for the loading pattern optimization. The use of Genetic Algorithm operators such as regional crossover, crossover and mutation, and selection of initial population size for PWRs are discussed. Antithetic variates are used to generate the initial population. The performance of GA with antithetic variates is compared to traditional GA. The results of multi-cycle optimization are discussed for objective function taking into account cycle bum-up and discharge bum-up.
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    Simulation of neutron transport equation using parallel Monte Carlo for deep penetration problems
    (Turkish Atomic Energy Authority, 2000-10) Bekar, Kürşat Burak; Tombakoğlu, Mehmet; Sökmen, C. Niyazi; 105199; Bölüm Yok
    Neutron transport equation is simulated using parallel Monte Carlo method for deep penetration neutron transport problem. Monte Carlo simulation is parallelized by using three different techniques; direct parallelization, domain decomposition and domain decomposition with load balancing, which are used with PVM (Parallel Virtual Machine) software on LAN (Local Area Network). The results of parallel simulation are given for various model problems. The performances of the parallelization techniques are compared with each other. Moreover, the effects of variance reduction techniques on parallelization are discussed