次優化方法 的英文怎麼說

中文拼音 [cìyōuhuàfāngfǎ]
次優化方法 英文
secondrate optimization method
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. In this paper we present in detail the process of midship section design and drawn procedure, coding shipping section plane cad application program through using microsoft visual c + + 6. 0, objectarx2000 programming languages and using grade optimistic method of optimization method. software design adopt windows attribute dialog box and common dialog box alternate designed means, people - computer interaction interface novelty, usableness

    本文對船舶結構設計中的中橫剖面設計和繪製程序進行了研究，利用autocad軟體的二次開發功能，通過採用microsoftvisualc + + 6 . 0 、 objectarx2000編程語言和使用最優化方法中的分級優化方法，編制出了船舶剖面cad應用程序。
  2. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。
  3. Based on this milti - hierarchical model, application method for information organization of part is presented. chapter 3 proposes a new rule of arbitrary maximum angles of chord for triangulation and locale optimum, which avoides calculating angles of conventional methods in mesh simplification. moreover, with the introduction of arithmetical average windage concept, optimum method for the boundary mesh retriangulations is presented

    第三章針對曲面網格簡化操作過程中出現的空洞剖分問題，討論層次模型的網格優化方法，提出了基於弦內角最大準則的局部網格簡化方法；針對網格曲面上存在的曲折邊界缺陷，提出以邊界輪廓算術平均偏差作為邊界曲折程度評定參數的邊界平滑優化剖分方法。
  4. After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect

    在解決多曲面有角點的拼接問題中引入了運籌學的優化方法，改善了多曲面拼接的效果，而且在ugii造型軟體的基礎上，用visualc + + 、 ug / openapi進行二次開發，加入了壞點剔除，曲線光順，曲面片之間的拼接等功能，很好的解決了反求工程中所遇到的問題。
  5. It is determined now by calculation with mathematical relationship of the flight thrust to the physical quantities which can be measured directly. the optimization of the software development platform is also analyzed inspect of the solid rocket - ramjet developmental program

    其次，為滿足固體火箭沖壓發動機試驗技術進一步研究需要，在深入分析labview圖形化編程軟體優化方法的基礎上，改進了現有的固體火箭沖壓發動機試驗測控程序，並應用於發動機試驗中。
  6. After studying the prediction method and considering the complex, random and nonlinear factors that affect the demand load of heating, the ann technology is adopted. different from the general analysis in technology and economy, it is for the first time to combine the prediction in method of artificial neutral network with optimization in use of dynamic planning principle for the running analysis of the electric boiler

    考慮到影響供熱採暖需求負荷的因素復雜且具有隨機性和非線形性，在對預測理論進行研究和對各種預測方法進行比較后，本文首次將基於人工神經網路的負荷預測與基於動態規劃原理的優化方法相結合，用於蓄熱式電鍋爐系統的經濟運行策略研究。
  7. An optimizing method with constant pressure ratio is initially applied to the mixed refrigerant cycle. this method greatly simplifies the calculation of the cycle, and is helpful in numerical optimization of various cycles, especially in the complex cycles

    本文首次採用混合工質製冷機循環的定運行壓比優化方法，大大減少了循環的計算量，為各種混合工質製冷機循環，尤其是復雜循環的數值優化奠定了基礎。
  8. The results show the improved aca can be used to solve the continued problem, and the formula whose parameter is optimized by the improved aca can simulate the primary data better than those whose parameter are optimized by other optimizing methods except the immune evolutionary algorithm ( iea ), and the improved aca can get almost the same result with less optimization scale and shorter optimization time than iea

    結果表明，改進的螞蟻演算法可以成功用於暴雨強度公式的參數優化，並且在實驗採用的各種優化演算法優化參數得到的暴雨強度公式擬合原始數據的效果比較中只有免疫進化演算法在優化過程中迭代次數和迭代規模都要大得多的情況下才和改進的螞蟻演算法差不多，而比其它的優化方法都要好。
  9. Second, the dissertation addresses the global query rewriting issues of the service oriented spatial data integration. query rewriting and optimization methods are presented based on equivalent transformation of relational operators. we study the data replication issues of spatial data services and presents strategies to deal with data fragmentation and service selection

    其次，論文研究了面向空間數據服務集成的全局查詢重構問題，在關系代數等價變換基礎上提出了空間數據服務全局查詢重構和優化方法，並提出了面向分散式空間區域查詢的副本處理方法和資源選擇策略。
  10. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  11. However, the simulated annealing algorithm will expand too much time to estimate the values of objective function when applied to aerodynamics optimizations. the way to remedy this problem in this dissertation is by improving the efficiency of optimizer and the cfd - solver. our cfd - solver is base on the modification to the proper orthogonal decomposition ( pod ) method that can produce a finite series of basis functions or modes through the solution of snapshots

    但對于氣動外形優化設計問題來說，由於評估需要解決的問題的目標函數值需要多次調用流場解算器，會導致用模擬退火演算法進行優化設計的計算工作量過大，因此需要我們對流場解算器和優化方法兩個方面進行研究以尋找此問題的解決辦法。
  12. ( 3 ) reactive power optimal of radial network is a very complex nonlinear discrete optimal problem. to ensure the speediness, feasibility and optimality, evolution algorithm is improved by combination with interior point sequence linear optimal algorithm and principle of var balance. the improved algorithm is applied to the reactive power optimization and achieves distinct effect

    （ 3 ）配網網路無功優化是一個非常復雜的非線性離散優化問題，為了保證計算結果的快速性、可行性和最優性，本文結合內點法的逐次線性優化方法，以及配網電壓調節的特點，對模擬進化優化方法進行了改進，並將該演算法應用於配網無功優化問題的求解，取得了顯著的效果。
  13. ( 2 ) reactive power optimal of hv network is a very complex nonlinear discrete optimal problem. to ensure the speediness, feasibility and optimality, evolution algorithm is improved by combination with interior point sequence linear optimal algorithm and expert knowledge of voltage / var adjustment. the improved algorithm is applied to the reactive power optimization and achieves distinct effect

    （ 2 ）高壓網路無功優化是一個非常復雜的非線性離散優化問題，為了保證計算結果的快速性、可行性和最優性，本文結合內點法的逐次線性優化方法，以及電壓無功調節的專家經驗，對模擬進化優化方法進行了改進，並將該演算法應用於無功優化問題的求解，取得了顯著的效果。
  14. Based on analysis of the characteristic of the tourist urban environments, this paper pertinently proposed an inexact fuzzy multi - objective system programming and optimizing method. it is the first time that the inexact fuzzy multi - objective planning method is applied in the field of tourist urban environmental planning. and then, an inexact fuzzy multi - objective system programming and optimizing model for the tourist urban environment is also constituted. this model is not only integrated the kinds of environmental factors and economic factors, but also given full consideration to the uncertainty of the tourist urban environmental development. through the interactive process between man and computer, the ideas and knowledge of experts and decision - makers are combined with the model. so the scientific nature and practicability of the planning results are guaranteed

    簡要分析了旅遊城市環境規劃的特點，針對性地提出了一套不確定性模糊多目標旅遊環境系統規劃優化方法，這是首次將不確定性多目標規劃方法應用於以旅遊業發展為重點的城市環境規劃領域。並相應地建立了旅遊城市環境不確定性模糊多目標系統規劃優化模型ifmopomtue ，既把各種環境要素和經濟要素有機地整合入模型中，又充分考慮了旅遊城市環境發展的不確定性，通過人機互動式方法，將專家和決策者的意見落實在模型參數上，從而最大可能地保證了規劃結果的科學性和可操作性。
  15. At the same time computation time was controlled by the maximum iteration. the ideal cutting contour would be obtained. the cutting contours of three typical cover panels were calculated by using the error - adjustment method

    優化方法基於材料的實際變形路徑並進行迭代計算，同時採用最大迭代次數以控制計算時間，最終得到比較精確的修邊輪廓線。
  16. Aiming at the limitation of basic evolution strategies, a kind of growth mechanism - based evolution strategies and its realization are introduced. chapter three presents the evolution strategies - based optimizing of seaport container logistics system, firstly the structure of chromosome is introduced, then a kind of hybrid mutation operation is used, the detail process of the optimizing method is also described, finally the traveling sequence optimization of the containers is introduced as an example to testify the feasibility of the new optimizing method

    在以往的港口物流系統規劃研究中，遺傳演算法和模擬退火法是經常採用的數學方法，第三章首次研究了基於生物進化策略的港口集裝箱物流系統優化方法，提出了一種基於混合變異的自然數編碼進化策略演算法和染色體的構造模式，並以集裝箱運送順序優化問題為例，實現了基於生物進化策略的港口集裝箱物流子系統的優化。
  17. A model updating optimization algorithm under quadratic constraints is applied to structure dynamic model updating

    摘要將二次約束優化方法應用於結構動力模型修正問題中。
  18. The paper introduces the method of optimal design, which includes the non - constrained optimal design and constrained optimal design, then brings this method into the modeling of nurbs surfaces to resolve practical problems. the fitting of nurbs curves and surfaces are discussed in detail

    其次，本文介紹了最優化設計方法，包括無約束優化方法和約束優化設計方法，並將最優化方法全面引入到nurbs曲線、曲面造型中去，解決設計中的實際問題。
  19. The error estimation of a rational cubic spline

    帶有界約束非凸二次規劃問題的整體優化方法
  20. For shape optimization of truss structure, the design variables are separated into two kinds of bar sectional size and nodal position by multilevel decomposition optimization method

    對于桁架結構形狀優化，應用層次分解優化方法，將設計變量分成桿件截面積和節點位置兩類變量。
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