求解程序
- 与 求解程序 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Second, according to model characteristic, such as non-linear, non-convex, multiple-peaked and so on, the paper discusses limitation of traditional solving algorithm, such as branch and bound method, GBD method and OA method, puts forward penalty function-makeup integer algorithm and genetic algorithm, analyses procedures of genetic algorithm, such as selection, crossover and mutation, brings forward modifications for specific realized problems of genetic algorithm, such as selection of initial points, operator design, adoptive value adjustment, constraint treatment and so on, and works out correlated solving program.
其次针对该模型非线性、非凸、多峰等特点,讨论了分支定界法、GBD法和OA法等传统求解算法的局限性,提出了罚函数一凑整算法和遗传算法的求解思路,对遗传算法的选择、交叉、变异等过程进行分析,对遗传算法初始点选择、算子设计、适应值调整和约束处理等具体实现问题提出了改进措施,并编制了相关的求解程序。
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With the investigation of the domestic and foreign literature systematically, the bases on the domestic and foreign present research and the comprehensive utilizations of the various knowledge of fluid mechanics in porous medium, reservoir engineering, mathematical physics, perforation completion, numerical simulation and so on, this article takes numerical simulation of gas reservoir of water solubility as the research aim which has completed following research works and obtained the corresponding research results: it analyzes the nature of the Water-soluble gas and formation water as well as the influent factors of the solubility through the study of massive materials; It establishes mathematical models three-dimension, the dual medium, the gas-water phase through the way of finite difference in the migration of water-soluble gas, which describes the entire process of release, migration and production in formation, where it considered the problems of variable bubble point; According to the numerical models of gas reservoir of water solubility it provides solution procedure that based on black oil model; It discovers that there will obtain the good effects in the lowly speed of development through simulation; the reinjection of formation water may largely enhance the produce degree of water-soluble gas when we consider reinjection in simulator; It considered the influence of perforated completion on development so as to increase the simulator"s versatility, It discovers that the simulator may reflect the conditions of development when we exanimate he simulator"s reliability with the empirical datum.
本文以水溶性气藏数值模拟研究为研究目标,在系统调研国内外文献、深入分析国内外研究现状的基础上,综合利用渗流力学、油气藏工程、数学物理方法、射孔完井以及数值模拟理论等多方面的知识,完成了以下研究工作并取得相应的研究成果;①通过对大量的资料调研,分析了水溶气、地层水性质、储层地质性质以及影响气体在水中溶解度的因素。②考虑到由于高压产生的大量水力裂缝,采用有限差分方法建立水溶气运移的三维、双重介质、气-水两相全隐式数学模型,该模型描述了水溶气在地层中的释放、运移和采出的整个过程。③在原有黑油模型的基础上,根据水溶性气藏数值模型编制了该数值模型的求解程序,该程序可以求解单重、双重介质两种情况。④通过模拟不同开采速度对水溶气开发效果的影响,发现开采速度较慢的时候可以取得较好的开采效果。⑤在模拟器中考虑了注水对水溶性气藏开发的影响,地层水回注可以大幅度提高水溶气的采出程度。⑥为增加模拟器的通用性,在模拟器中考虑了射孔完井方式对开采的影响。⑦检验模拟器计算的可靠性,发现在使用实验数据对水溶性气藏进行模拟时,模拟器可以很好的反映气藏开发的状态。
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MATLAB程序-used method for multiple preoperational Ertaila equation here as a variable element of the equation, As the same time contain differential equations and integral, the general solution is definitely difficult.
用LAPLACE方法求解多维沃尔泰拉方程,此处为一个变元的方程,由于该方程同时含有微分和积分,一般求解有一定的困难。
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The simulation model of the inter basin water transfer describes the water resource systemsand the project schemes with different combination of nodal point and connecting line . It adoptsthe standard network to fine the solution ,so it is a powerful tool and an excellent method for thelnter basin water transfer planning .
水资源系统规划模拟模型,利用节点和连线的不同组合来描述不同的水资源系统和不同工程方案,采用标准的网络求解程序,通用性强,是进行大型跨流域调水工程规划的一种强有力工具和值得推广的方法。
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Classic Chinese Remainder Theorem solving program, you have to import the solution congruence theorems can be solved by!
经典的中国剩余定理求解程序,输入你所要解的同余式即可按定理求解!
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The results show that the Yager's ranking method is better than the centroid method when the fuzzy numbers of the input factors are dissymmetric. So the solving procedure of the Yager's ranking method is more suitable for this kind of problem.
结果显示,当要素价格为非对称的模糊数值时,Yager 排序法所得到的结果会优於重心法所求解之结果;故Yager 排序法的求解程序为此类问题的较佳求解方法。
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This text has lead in an improved mutative scale chaos optimization algorithm to solve water production function model on the basis of Visual Basic programming.
应用改进的变尺度混沌优化算法对水分生产函数模型进行求解,求解程序用Visual Basic编写。
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The former is to formulate and model static for decision-making, while the latter is combined with the dynamic question soling process.
陈述性表示主要是的静态描述,对事实和规律的分析,知识表示与推理可以分开处理;而过程性表示,表示与推理结合,知识表示就是求解程序,是动态的描述。
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In this paper, th author presented an embedded H-grid method and a domain decomposition method to calculate cascade flow field with tip clearance.
本文采用Marini-Quarteroni的不重叠区域分解算法和&镶嵌&式间隙网格技术,开发了可计算叶顶间隙流场的N-S方程求解程序。
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Based on the analysis of physics course of heat transfer, the mathematical model of single-phase flow in the rectangular narrow channel is proposed. And the boundary conditions are given to get the unique numerical result. The finite volume method is used to found the discrete scheme of equations. According to the flow of SIMPLER arithmetic, the computing program is developed and the correctness of program is validated.Then the program is used to solve the problem of flow and heat transfer in rectangular narrow channel.The stable two dimension velocity and temperature fields in rectangular narrow channel and plate fuel are obtained.
在明确窄缝流道及燃料板换热物理过程的基础上,建立了描述矩形窄缝内单相流动与换热问题的数学模型,并给出了合理的边值条件;然后利用有限容积法对方程进行离散,根据SIMPLER算法的流程编制了模型求解程序;在验证程序正确性的基础上,对矩形窄缝流动与换热问题进行了求解,得到了矩形窄缝流道和板状燃料元件内部温度场、速度场的二维分布。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力