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| 1 | 车辆路径问题的三阶段求解方法研究显示文摘针对由车辆路径问题规模的增大带来求解空间组合爆炸这一难点,从缩减解答空间入手,以节省求解时空为突破口,综合运用知识工程、模糊聚类分析、状态空间搜索理论和运筹学整数规划理论,提出一种求解车辆路径问题的三阶段求解方法。第一阶段分析物流配送过程的主要影响因素,根据相关因素对客户进行初步划分,然后采用模糊聚类分析方法将各配送区域中的客户进行细分;第二阶段采用带控制策略的深度优先搜索算法生成备选的车辆路径方案集合;第三阶段建立整数规划求解模型,并根据邻域规则将求得的解映射为实际问题中的行车方案。最后运用算例验证上述方法的有效性。 | 黄敏芳 胡祥培 王征 Amy Z.Zeng | 2009 | 管理科学2009，22，3： | 6 |
| 2 | Single or dual sourcing:decision-making in the presence of supply chain disruption risks显示文摘 | Haisheng Yu Amy Z.Zeng Lindu Zhao | | 0，，37： | 1 |
| 3 | 查看详情显示文摘 | L.F.Huang X.H.Zheng G.R.Zhang L.L.Li and Z.Zeng | | 0，，43： | 1 |
| 4 | A Cluster Dynamics Model for Accumulation of Helium in Tungsten under Helium Ions and Neutron Irradiation显示文摘A cluster dynamics model based on rate theory has been developed to describe the accumulation and diffusion processes of helium in tungsten under helium implantation alone or synergistic irradiationwith neutron,by involving different types of objects,adopting up-to-date parameters and complex reaction processes as well as considering the diffusion process along with depth.The calculated results under different conditions are in good agreement with experiments much well.The model describes the behavior of helium in tungsten within 2D space of defect type/size and depth on different ions incident conditions(energies and fluences)and material conditions(system temperature and existent sinks),by including the synergistic effect of helium-neutron irradiations and the influence of inherent sinks(dislocation lines and grain boundaries).The model,coded as IRadMat,would be universally applicable to the evolution of defects for ions/neutron irradiated on plasma-facing materials. | Y.G.Li W.H.Zhou R.H.Ning L.F.Huang Z.Zeng X.Ju | 2012 | Communications in Computational Physics2012，11，5： | 1 |
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