http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정재준(Jaejun Jung),이태희(Taehee Lee) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.11
DE(Differential Evolution) algorithm is developed by Ken Price and Rainer Storn who attempt to solve the Chebychev Polynomial fitting Problem. This algorithm is similar to GA(Genetic Algorithm) in populating points, crossing over, and mutating. But It is very simple and easy to use because it introduce vector concept in populating process. Besides its good convergence properties DE is very simple to implement. In this paper, we optimize various test function using DE and GA. on the basis of the results, we compare DE with GA for convergence and accuracy.
노트북 시스템의 Fan 작동점 평가를 통한 수치 해석 모델의 활용
조동혁(Donghyuk Cho),정재준(Jaejun Jung),강문구(Munku Kang),최동준(Dongjun Choi),안병덕(Byeong Duk An) 대한기계학회 2023 대한기계학회 춘추학술대회 Vol.2023 No.11
Fan’s operating point is so important factor in the notebook system because it affect on the flow rate of forced convection cooling system. In this paper, the operating point from the system impedance and the P-Q curve of a fan at determined Fan speed was evaluated through experiments. The accuracy of the numerical CAE model’s operating point was verified by this result and the effect of the open ratio in the system inlet was evaluated with this numerical CAE model and suggested the saturation point of the open ratio.