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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Moreover, MMIMaxSep has a unique advantage of being able to directly handle tree-represented min-max functions, and its complexity is closely related to the complexity of computing cycle time of min-max functions.
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This chapter also provides a review of various models of computing cycle lengths and green times of pretimed and actuated controls.
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| | The element-free Galerkin method for predicting fatigue crack propagation path and structure lifetime under mixed mode loading is presented in this paper. This method is used in order to allow for crack growth without remeshing and the degradation in accuracy with crack propagation in simulation process is overcome successfully. Using the results of a EFG method analysis, the J-integral and stress intensity factors IKand IIK are computed. The crack deflection angle 0F is determined by the criterion of maxi... | | 本文提出了用无网格Galerkin法模拟构件在复合变形作用下疲劳裂纹扩展路径并预估其疲劳寿命的方法。该法能够自然模拟疲劳裂纹的扩展,不需要网格重构,避免了裂纹扩展过程中的精度受损。应用无网格数值结果计算了J积分和应力强度因子IK和IIK;按照最大周向应力理论获得了裂纹扩展偏斜角。基于最小应变能密度因子理论,确定了裂纹扩展量aD,并能获得疲劳载荷的循环周数ND。文末对数值模拟结果和实验拟合结果进行了对照。 | | 文摘来源 | | An optimal order plan is needed to satisfy customer requirements at the lowest cost, the highest quality and the right time. This paper presents an supply chain plan model based on inventory resources, fund resources, transport resources, and supply resources. The plan model includes four submodels for the computing cycle, resource acquisition, resource modification, and building plan. The building plan is the kernel for the whole plan model and is based on a heuristic algorithm. The number of ... | | 为以最低成本、最准确时间、最高质量满足客户需求,首要问题就是快速地制定可行的订单执行计划。该文提出了一种基于库存、资金、供货和运输4类有限资源的供需链计划模型,它由周期计算、资源获取、资源更新和计划生成4个子模型构成。计划生成是整个计划模型的核心,从某个仓库出库的项目数量不仅受到该仓库的库存资源的限制,由于负责运输又受到运输资源的约束,并由于承担运输费用而受到资金资源的约束,当需要采购供货时,则受到供货资源和资金资源的约束,该文采用启发式算法较好地解决了这个多目标多约束的计划生成问题,给出了制定计划的过程、模型结构和计划生成算法,该模型已应用于企业的经营管理中。 | | 文摘来源 | |   |
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