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by genetic algorithm with the experimental data. The comparison between data of experiment and fitted constitutive equation indicates that the constitutive equation is suitable for expressing...; miniature split Hopkinson pressure bar; constitutive relation; genetic algorithm ......
by the genetic algorithm method. The optimal design method was applied to the cutterhead’ layout used in a subway line construction of Shenzhen. The results show that the optimized cutterhead’s radial... algorithm method are applicable and feasible. Key words: composite EPB shield; disc cutter layout; disc cutter layout optimization model; genetic algorithm 随着盾构施工技术的发展,适用于软硬交替,复杂多变复合地层的复合式土压平衡盾构已广泛应用......
:A 文章编号:1672-7207(2012)S1-0310-04 Optimizing design of network reconstruction projects using improved genetic algorithm WANG Xing-wei, PENG Shi-ni, HUANG Xiao-mei (College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400030, China) Abstract: The ideas of improved traditional methods of genetic algorithm were put......
characteristic of thin-walled structure, the forecast model of GA-BP hybrid algorithm was presented by unifing respective applicability of back-propagation artificial neural network (BP-ANN) and genetic algorithm (GA). The detailed process was as follows. firstly, the GA trained the best weights and thresholds as the initial values of BP-ANN to initialize the neural network. then, the BP-ANN after......
constants were determined using genetic optimization algorithm (GA). The stress-strain curves of the sheet with 18.63% and 20.04% β phase were used to evaluate the proposed model. The good agreements between the experimental and computed results are obtained. Key words: TA15 Ti alloy; ductile damage; dislocation density; constitutive model; genetic algorithm TA15钛合金是一种高Al当量近α钛合金,既具有α型钛合金良好的高温强度和可焊性,又具......
between input and output variables and a multi-objective optimization method based on a non-dominated sorting genetic algorithm-II (NSGA-II) was used to optimize ECM process. A non-dominated solution set was obtained. Key words: electrochemical machining; metal removal rate; surface roughness; non-dominated sorting genetic algorithm (NSGA-II) 1 Introduction Metal matrix composites (MMC......
service composition approach was proposed based on cultural genetic algorithm. A double space include social population and belief was constructed. The reception function was used to extract knowledge from... the efficiency of combination. The results show that compared with traditional culture genetic algorithm and improved genetic algorithm, the number of iterations required for convergence of the proposed......
genetic simulated annealing algorithm has been applied to invert phase velocity data from their spatial autocorrelation [12]. FERNANDEZ-MARTINEZ et al [5, 13-14] applied PSO algorithms for many... results. 3.2 Genetic algorithm The GA is a search heuristic that mimics the process of natural selection. It is routinely used to generate useful solutions for optimization and search problems. In a GA......
. With the theoretical model, an optimization method using nondominated sorting genetic algorithm – II (NSGA-II) is applied for a two-objective optimization to achieve a minimum air consumption and maximum load... that the optimized air conveyor can greatly improve the load capacity over the normal one, indicating that the optimization method is applicable for practical use. Key words: optimization; genetic algorithm......
parameters of two structure models were obtained through the overall optimization of surrogate models by genetic algorithm (GA). The results indicate that the optimization results of surrogate models... might be helpful to guiding the structure design of railway vehicle compartment. Key words: railway vehicle; passenger compartment; optimization; Kriging method (KM); genetic algorithm (GA) 当铁道列车发生碰撞事故后,其......
