模擬法求解 的英文怎麼說

中文拼音 [qiújiě]
模擬法求解 英文
analogue approach
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 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...
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : 解動詞(解送) send under guard
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推導了紊流流場的數學型,並建立了相應的有限元格式,應用有限元分析軟體對該系統的紊流流場和溫度場進行了分析:算出pcb板上各電子元件的溫度分佈;並提出了用於系統風道特性曲線的cfd方
  2. In this paper the response surface method ( rsm ) is introduced into the structure optimization of linear fire work departing installation, which make the target fuction explicit, adopt the big finite element procedure to numerically simulate the departing process of the fire work departing installation instead of the expensive substance experiment, establish reasonable optimization model and resolve it, the final result is satisfied, and analyse the question presented during optimization process in detail

    本文把響應面方引入到線性火工分離裝置的結構優化中,使得優化型中的目標函數顯式化,採用大型有限元軟體對線性火工分離裝置的分離鎖過程進行數值,代替了代價昂貴的實際試驗,建立了科學合理的優化型並,最終得到令人滿意的優化結果,並對優化過程中出現的問題進行了細致的分析。
  3. This paper employs the dynamic - static force principle to simplify the mathematical models, and employs the virtual - displacement principle and adopts the sor digital algorism to extract the dynamical performances. the solutions extracted is coincidental with the practical situations

    本論文應用了達朗貝爾原理簡化數學型,並應用虛位移原理和sor迭代機構的動力特性,得的曲線與實際情況比較吻合。
  4. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用隱式有限差分三維非定常紊流n - s方程組,數值剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流,並在此基礎上研究了彈性機翼的氣動彈性問題。
  5. When this is not the case, a technique of modified fuzzy stimulation is made used of by integrating fuzzy stimulation and fuzzy interval analysis

    對前者提出以糊區間分析的思路;對後者則借鑒演算,結合糊區間分析,提出了一種改進的演算
  6. The objective of the optimal model is to keep the flood process mode similar and subject to restrictions of the actual peak flow discharge and flood volume in different period of time, the ga and prsaa that have global optimal capabilities are used to solve the model in this paper

    在滿足洪峰流量約束和分時段洪量約束條件下,本文建立了以洪水過程式盡量相似為目標的洪水過程放大優化型,並採用具有全局搜索能力的遺傳演算和并行組合退火演算型。
  7. The extend work of my doctoral research is introduced in the part. problems of cavitation noise are investigated with three methods such as theory analysis, numerical simulation and experiment research. mixed boundary element method is put forward to solve acoustics of bubble collapse by author

    第二部分:空化噪聲研究該部分工作是作者博士期間工作的延續,對空化噪聲問題從理論分析方面、數值及實驗三方面進行研究,應用作者提出的混合邊界元方了空泡在邊界附近潰滅時的輻射噪聲問題。
  8. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    型的過程中,首先運用逆向工程測量方,獲得曲面物體上不同截面輪廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘基於數據點列的控制多邊形,以非均勻三次b樣條曲線合截面輪廓曲線;然後利用基於垂距的數據采樣演算,對合曲線上的數據點進行重新采樣,達到優化數據點的分佈及減少描述曲線數據量的目的。
  9. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方,包括生產過程離線優化策略、非線性問題策略、在線優化型及學習策略;結合揚州有機化工廠計算機集成製造系統集散控制系統( yh - cims dcs )的實施,針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題,採用統計建,建立了聚合反應過程的優化型;為所得的優化型,提出了種改進的有約束條件下的退火演算,該演算能避免陷於局部最優,有效地提高了所的全局性和可靠性:提出了基於改進的ga演算和sp演算相結合的混合學習演算,建立了基於神經網路的聚合反應過程生產目標在線預測型,該演算型滿足了生產中的實時性和實用性要
  10. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    決這一問題,本文提出了一種將水力系統和電力系統方程交替的水電系統聯合演算,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線,對后一部分根據型形式採用龍格一庫塔或隱式積分等演算,這兩部分的過程交替進行,最終即可得到水電系統大擾動過程的結果。
  11. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦數值計算型控制方程時,亞網格雷諾應力項沿用了亞網格渦粘性系數思路,引入亞網格紊流脈動動能k的輸運方程,建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l
  12. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac軟體,以發電市場預調度計劃型及演算、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容,主要做了以下工作:建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃型,並根據預調度計劃問題狀態數多、變量多、混合整數、非析的特點,將預調度計劃型的目標函數簡化為各時段的市場清算電價最小,設計了三段式預調度演算:用靜態規劃整個預調度計劃周期內的優化問題;用優先級機組組合問題;用改進的powell最優潮流問題。
  13. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建,用隨機等效線性化方將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方和虛激勵方推廣並應用於這個復合隨機微分方程組,出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算失效概率,進而出結構的抗震可靠度。
  14. A mathematic model for cooling water discharge to forked bays is established by using the boundary fitted orthogonal coordinate system to simulate the complex boundaries, the full implicit coupled solution model to discrete the base equations, and the matrix chase - after method to solve the algebraic equations

    摘要採用正交邊界合坐標變換復雜的邊界,全隱式耦合型離散基本方程,矩陣追趕代數方程組,建立了分叉型海灣溫水排放數學型。
  15. Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears

    首先以一種簡單實用的輪齒邊緣切矢量的數學表示方取代了經典的微分表達式,大大簡化了幾何邊緣接觸的,使復雜曲面的幾何邊緣接觸分析得以實現;其次又採用數值搜索與數學規劃了邊緣接觸的主方向和承載接觸問題,為高重合度弧齒錐齒輪承載嚙合全過程的數值提供了完整的方
  16. Now we shall list our contribution to the transportation problem : ( 1 ) expected value goal programming, chance - constrained goal programming model and dependent - chanced goal programming model of random transportation are constructed ; ( 2 ) expected value goal programming, chance - constrained goal programming model and dependent - chanced goal programming model of fuzzy transportation are constructed ; ( 3 ) expected value goal programming, chance constrained goal programming model and dependent - chance goal programming model of rough transportation problem are constructed ; ( 4 ) enlightened by liu ’ s thought that solve the uncertain programming with hybrid intelligent algorithm, we design a hybrid intelligent algorithm, that is, genetic algorithms based on simulation to achieve the approximate best solution of the nine above mentioned models

    得到如下主要結果: ( 1 )建立了隨機運輸問題目標規劃的期望值型、機會約束規劃型、相關機會規劃型; ( 2 )建立了糊運輸問題目標規劃的期望值型、機會約束規劃型、相關機會規劃型; ( 3 )建立了粗糙運輸問題目標規劃的期望值型、機會約束規劃型、相關機會規劃型; ( 4 )受liu等人提出的用混合智能演算不確定規劃的思想的啟發,結合運輸型的特殊結構,設計了一種基於的、不確定性運輸問題的遺傳演算
  17. He has published such thesis as application of monte carlo method for calculating lock base filtration , numerical simulation of three - dimensional turbulent flow in forebay of pumping station , the classification of braided reach by fuzzy clustering, etc

    發表了《用蒙特卡羅方船閘地基滲流》 、 《泵站前池流態的數值》 、 《天然河流分汊河段河型糊聚類分析》等研究型論文。
  18. Recently in the simulation of indoor airflow, mainly adopted is the turbulence model theory, rans, which solves only the time - averaged flow field and cannot reveal the characteristics of the rapidly changing of turbulence

    目前室內氣流主要採用湍流式理論( rans ) ,但該方的是時均場,體現不了湍流場瞬息萬變的特點。
  19. Three - dimensional packing ( tdp ) is a combinatorial optimization and hp - complete problem and applied widely to the mechanical manufacture and traffic transportation industries. up to now there are varieties of heuristic algorithms to solve the tdp because of its high complication, we discuss the heuristic algorithm deeply in this paper and apply the simulated annealing ( sa ) algorithm to the packing system

    三維布局問題屬于組合最優化問題和np完全問題,具有高度復雜性,用一般的數學方根本無,目前決三維布局問題多為各種啟發式方,本文在對啟發式方進行深入探討的基礎上,採用了用於決一般三維布局問題的退火演算作為布局系統的操作演算
  20. The study of traffic administration is mainly in virtue of mathematical method and physics law that can describe the phenomena and characteristic of traffic, simply that is the process of mathematics modeling, numerical simulation and finding its solution

    交通管理問題的研究手段主要是藉助于數學方和物理定律對交通現象和特性進行描述,簡單的說就是數學型的建立及其數值的過程。
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