优化
- 与 优化 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A numerical model for calculating geometric parameters of the insert pocket on a boring cutting tool with indexable inserts is presented using the constraint optimization approach offered by ANSYS.
采用ANSYS的约束优化方法,建立了可转位镗刀刀片槽几何参数优化计算的数值模型,使用该模型可得到在给定切削条件下满足设计要求并使镗刀前角值为最大而主偏角值为最小的镗刀刀片槽加工所需的几何参数;最后给出了优化计算实例。
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Process of program by hand, improve the efficiency, reduce the losing and wasting.The models and methods of optimization design for disc cam which in CT36-110 spring operating mechanism that the paper has put forward has some theory significance and applicable value for spread and apply the CAD/CAE/CAM technique in high voltage switch industry.
本文的研究所提出的CT36-110型弹簧操动机构中盘形凸轮优化设计的数学模型和优化方法对高压开关行业进一步推广应用CAD/CAE/CAM技术,开展优化设计研究具有一定的理论意义和实用价值。
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Structural topological optimization method and topological optimization module of the finite-element software ANSYS have been used for the optimum design of the supporting truss structure of stamping box sidewall of the tamping coal charging car.
采用结构拓扑优化方法,利用有限元软件ANSYS的拓扑优化模块对捣固装煤车的煤槽壁支撑桁架结构进行了优化设计。
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For wire bonding,we got methods to avoid low-k material layer crack and IMC crack by gold wire selection,capillary design optimization,and wire bonding process window study;Wire sweep issue was declined,after use reverse wire bonding technology to get low wire loop,define high wire loop and low wire loop between neighbour wires to reduce wire cross and split transfer course into several segments by different transfer speed to control mold flow;For molding and to different packages,as a physical method,add suitable presser during different cure process,it can reduce warpage value;As chemical methods,optimized component of molding compound or added flexiblier,it can decline thermal stress and warpage.
在引线键合方面,通过对不同纯度金线的选择、劈刀设计的优化、以及对引线压焊工艺窗口的研究,找到了可降低焊盘碎裂,金铝间化合物分层等问题的方法;通过使用反向压焊来控制线线弧高度和在邻近线间使用高(来源:A7aB4848C论文网www.abclunwen.com)低线弧来控制线弧以及模塑注塑速度细分化的方法,有效降低了冲线值;在模塑方面,针对不同封装形式,通过封装模块在烘烤过程中优化外加压力的时机,利用物理方法有效减低了翘曲;此外从化学角度出发,通过对模塑材料配方的优化以及添加应力释放剂,有效降低了封装内的热应力,减小了封装模块的翘曲。
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The adaptability of arch dam to geology is more and more high, when the influence of complicated geology is considered, and the widespread used modern calculating methods in engineering, such as the finite element method, is considered during optimization design, the new challenge to old optimization design system of crown cantilever analysis is the full-automatic calculation problem of the different condition, different arch dam parameter, the possibility and the efficiency which were caused by the increments of calculation time.
高拱坝设计对地质条件的适应性要求越来越高,优化设计时要考虑到复杂地质条件的影响,最好采用已被工程界普遍接受的有限单元法等现代计算方法,这对以拱梁分载法为主的拱坝优化设计体系提出了新的挑战,除了需要解决不同条件、不同拱坝参数的全自动计算问题,还要解决由于结构计算时间增加所带来的优化计算的可行性和效率问题。
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General clue of this paper is simulating wood stress field change in initial cutting stage and working out weighted boundary condition of cutting tools first,and then based on which, finding out shear stress and maximal effective stress when wood cut-ted.Meanwhile,finite element comparative analysis is proceeded on distortion and stress field by changing tool orthogonal rake.
本课题的总体思路是通过大型有限元软件ANSYS来模拟切削初始阶段中木材的应力场变化,进而得出刀具受力的边界条件,依此为基础求出木材受切时的剪应力及最大等效应力,同时通过变化刀具前角分别对受切工件的变形及应力场进行有限元比较分析,从而确定刀具的优化前角;优化前角确定后,再通过对刀具进行强度校核确定后角优化值。
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By taking optimization for culture media of diamondback moth as example,theoretical research of SVR model in media optimization was carried out.Based on initial composition,Secondary Leave-one-out was carried out after kernel optimization and descriptors screening,the precision is higher than linear regression model,it is showed that SVR is proper for media optimization.
本文首先以文献报道的小菜蛾饲料配方优化数据为例,建立基于SVR优化配方、分析因子效应的方法学:从原始配方样本集出发,以SVR进行核函数寻优和自变量筛选后实施双重留一法预测,预测精度优于多元线性回归模型,表明非线性的SVR更适合用于优化配方。
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Half penalty method and optimism design of ten connecting bar mechanism of plunger slide in double action drawing press;2. The essential boundary condition is imposed by employing a penalty method .
将选择施加在&虚结构&控制点上的虚载荷作为形状优化的设计变量,并将它与无网格Galerkin法相结合来开展结构形状优化研究,采用罚函数法来施加边界条件,通过直接微分法建立了结构形状优化的离散型灵敏度分析算法,利用无网格法研究了节点坐标关于设计变量导数的计算。
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In the electric field researched foundation, we had carried on the optimized design in using the ANSYS optimized module to the 3KA rare earth oxide electrolysis cell of the fluoride salt system , the design result parameter tallies with the actual rare earth electrolysis cell, the reliability of the optimized design result has been confirmed.
在电场研究的基础上,利用ANSYS的优化模块对3KA稀土氟盐体系氧化物电解槽进行优化设计,设计结果参数跟实际电解槽吻合,验证了优化设计的结果可靠性。
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According to the variable parameters, which are continuum or discrete, an algorithms are over viewed, such as homogenization method, variable density algorithm, variable thick algorithm, moving asymptotes algorithm, simulated annealing algorithm, genetic algorithm, relative difference quotient algorithm and Tabu search technique.
按照设计变量,叙述了连续变量和离散变量拓扑优化设计的一些常用算法,其中包括均匀化方法、变密度法、变厚度法、移动渐进算法、模拟退火法、遗传算法、相对差商法和Tabu搜索法,并对各种方法的优缺点进行了比较;对二维和三维复合材料的拓扑学优化设计研究现状和方法进行了阐述;提出了拓扑优化设计复合材料的未来研究方向。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。