mathematical computing 中文意思是什麼

mathematical computing 解釋
數學計算
  • mathematical : adj 數學(上)的,數理的;嚴正的,精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  1. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在約束下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析,建立了強度的數學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  2. Study of the combination of ant algorithm and quasi - newton algorithm in computing mathematical model of water supply network

    螞蟻演算法與擬牛頓法嫁接求解管網數學模型
  3. As the key parameters in flow and heat calculations, density ( ) and enthalpy ( h ), there is still lack of a definite mathematical model for such parameters " computing method

    但作為流量計算中的關鍵參數密度( )和熱量計算中的關鍵參數熱焓值( h )的計算方法,卻沒有一個明確的數學模型。
  4. Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed

    為此論文在借鑒手工編制排班計劃經驗的基礎上,將一個具體的飛機排班問題,歸結為三種典型排班模式中的一種,即:基於飛機調度指令要求的排班問題,基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題,對于每種典型的飛機排班模式,在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法,並分析了演算法的復雜性。
  5. It plays a very important role in many application, according to the point of mathematics point, its mostly application originate from equations of mathematical physics, difference equations, markov process, and so on, its purpose is to solve the problems of solid, fluid, electromagnetic, microscopic particles, system control, and etc. in practical science research and engineer applications, such as, architecture project, research of aeronautics and astronautics, bioscience, computing physics and oil reconnoiter, many large scale generalized eigenvalue problems need to be solved

    它在很多應用中扮演非常重要的角色,從數學角度來看,矩陣特徵值問題的應用大多來自數學物理方程、差分方程、 markov過程等。目的是為了計算固體、流體、電磁、微觀粒子、系統控制等重大問題。在實際的科學研究與工程應用中,比如在建築工程、航空航天研究、生物科學、計算物理以及石油勘探中,都要涉及到大規模矩陣廣義特徵值問題的計算。
  6. Mathematical model and computing method for launch process of two - stage light - gas gun

    二級輕氣炮發射過程數學模型和計算方法
  7. Design of the spiral finned tube low temperature reheater has been made by means of applicable investigation of spiral finned tubes, some mathematical - physical models for computing spiral finned tubes wall temperature have been set up

    通過對螺旋肋片管的應用探討,進行了螺旋肋片管低溫再熱器的設計。
  8. The two key factors, machining methods and machine - setting parameters of sbg, which are related with the generation of theoretical tooth surface and topographic deviation for sbg, are analyzed in details. after building the machine - tool mathematical model and computing the tooth surface parameters, using the given conditions and mesh equation, the coordinates of the theoretical tooth surface of sbg can be computed, and, then, the theoretical tooth surface model of sbg is derived

    本文詳細地分析了形成螺旋錐齒輪理論齒面及產生拓撲誤差的兩個關鍵因素,即螺旋錐齒輪的切齒加工方法和機床調整參數;通過建立機床數學模型,計算齒面參數,用已知條件和嚙合方程進行聯合求解,得出了理論齒面的坐標值,從而獲得了螺旋錐齒輪的理論齒面模型。
  9. This paper introduces two methods of computing density and enthalpy : combination of " sectional average value " and " look - up tables " will improve the temperature resolution to 0. 1, that is / 0. 1 and h / 0. 1 ; " mathematical simulation " method will get density and enthalpy value with error less than 0. 01 %

    在本文中,提出了兩種計算密度值和熱焓值的方法:用「區間平均值法」與查表法相結合,來求密度值和熱焓值,可將求的密度值和熱焓值所對應的溫度解析度,提高到0 . 1 ,即0 . 1 、 h 0 . 1 。
  10. Symbol logic method is unable to guarantee the complement of knowledge description, which leads to complicated deducing process. we introduce fuzzy cognitive map into agent modeling and deducing, substitute symbolic description and inference with simple mathematical computing, achieving agent intelligent decision - making in complex environment

    針對現有符號邏輯描述方法難以保證知識表達的完整性,推理過程陷於復雜的邏輯演繹的問題,作者引入了模糊因果關系的網路模型,基於模糊認知圖理論構造agent推理模型,用簡單的數值計算代替復雜符號系統的表示和演繹推理過程,實現了復雜環境下的agent智能決策。
  11. The majority of the class - development work for a mathematical class involves computing intermediate and summary values

    數學類的大部分類開發工作都涉及到計算中間值和匯總值。
  12. What is more, based on the computing model of the finishing time per piece of flow shop scheduling in the parallel movement, the paper analyzes the subordinate function of its finishing time per piece in respective conditions of definite due date and fuzzy due date, and mutual relationship of two objective functions between minimization of delayed term and maximization of general satisfaction, pointing that the former is the subset of the latter. and representing the satisfaction level of the manager toward finishing time of the piece with the subordinate function of fuzzy due date, making general satisfaction level as objective function, the paper accordingly sets up a mathematical model in the condition of fuzzy due date, and designs a computer simulating system in light of genetic algorithm to carry on an emulation experiment

    在平行順序移動方式下flowshop調度問題的工件完工時間的計算模型基礎上,分析了帶固定交貨期和模糊交貨期時該問題的工件完工時間的隸屬函數,及總拖期最小化和總滿意度最大化這兩個目標函數的相互關系,指出前者西南交通大學博士研究生學位論文第頁問題是後者問題的一個子集,用每個工件模糊交貨期的隸屬函數表示決策者對該工件完工時間的滿意度,以總滿意度為目標函數,相應地建立了該問題下帶模糊交貨期的數學模型,設計了一個基於遺傳演算法的計算機模擬系統進行模擬試驗,結果是令人滿意的。
  13. 6. this thesis solves the rapid dem producing problem for large - scale terrain " massive data ". at the same time, it implements robustness processing on each significant algorithm, which avoids the potential failure in dem producing due to the mathematical computing errors

    實現了大比例尺地形「海量數據」快速建立dem的問題,同時對各個關鍵演算法均進行了健壯性處理,從而避免了數值計算誤差可能帶來的dem建立失敗。
  14. Since adleman solve the hamilton path problem using dna molecules in 1994, many mathematical problems were solved by dna computing such as matrix multiplication, addition, symbolic determinants

    最早的,也是最著名的是1994年science上發表的美國科學家adleman的七節點hamilton路徑問題的dna計算解決辦法。
  15. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度,為微粒捕集器的優化設計提供理論指導。
  16. From the perspective of theory, it is aclassification of the large number of the portfolio models in accordance with theirinherent mathematical structure. from the perspective of calculating, it to dealwith the six separate calculations in unified basis, and enhanced computing e ? - ciency, facilitate practical application, reducing confusion that many complicatedmodels giving to investors

    從理論的角度看,它是對數量眾多的投資組合模型根據其內在的數學結構進行的一次分類整理;從計算的角度來看,它把六種需要各自處理的計算統一處理,提高了計算效率,便於實際應用,減少了紛亂繁雜的眾多模型對投資者的迷惑。
  17. The numerical methods utilized in solving the set of mathematical equations involve calculating the spatial rate of change of variables, which means a priori grid point value information along the boundary outside the model domain has to be separately provided to set up time - dependent boundary conditions for computing the governing equations

    :計算有關數學方程組的數值方法,牽涉到變數在空間的分佈變化,故此亦需要另外提供模式范圍以外的網格點值,從而按時間設定邊界條件,以完成基本方程組的運算。
  18. The formula for computing sediment concentration is determined with mathematical method theoretically according to the attenuation law of y ray and characteristics of mixture of solid and liquid

    本論文首先根據射線穿透物體過程中的衰減規律以及水沙液固兩相流的特性,用數學的方法從理論上推求了射線透射法計算泥沙含量的理論計算公式。
  19. This paper applicates the mathematical programming and presents the model of containership optimization, and develops computer procedure of containership prestowage. it discusses the principle and implementation method of the optimize model, including following : the process of containership stowage ; introducing of the blocks ; a strategic planning process and a tactical planning process of containership prestowage ; computing principle and method of buoyancy, stability and strengh, besides checking principle of them

    本文引入數學規劃的方法,建立了集裝箱船預配的優化數學模型,開發了集裝箱船預配計算程序。文章詳細介紹了該優化模型的原理和實現方法,主要內容包括:集裝箱船的配載過程,裝載單元塊的提出和劃分,集裝箱船戰略配載和戰術配載,船舶性能計算與校核。
  20. From the definition of reliability, the concrete computing methods for optimal allocation of reliability were put forward, the corresponding mathematical model was founded

    從可靠度的定義入手,提出了可靠度最優分配的具體計算方法,並建立了相應的數學模型。
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