有限維控制 的英文怎麼說

中文拼音 [yǒuxiànwéikòngzhì]
有限維控制 英文
finite dimensional control
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 有限 : limited; restricted; finite; a little; not much
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.

    基於本文提出的溫度場和徐變應力場模擬模型理論,編了高碾壓混凝土壩的三元模擬計算程序,在程序中考慮了各種溫措施的數值模擬,包括:水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。
  2. The microgels of close monodispersity with different volume and cross - linking density can be prepared by using an inverse emulsion polymerization method. both artificial and natural materials, including zeolites, membranes, vesicles, liquid crystal, microemulsion, micelles, biopolymers, etc., have been used as template. the three - dimentional network structure and spherical morphology of polymeric microgels may guarantee the homogeneous of the structure of the composite, the size and the morphology of the various organic - inorganic composites with unusual structures

    在反相乳液聚合條件下,通過反應條件可以得到體積不同、交聯度不同的近乎單分散的微凝膠,如同分子篩、單(多)分子膜、囊泡、液晶、微乳液、膠束、生物大分子等可作為微納米無機材料合成模板一樣,高分子微凝膠所特的三網路結構和球形形貌可能對在其中進行的無機結晶或沉積反應施加域和導向作用,從而所生成無機材料的形貌和大小,得到各種具特異結構的無機-機復合材料。
  3. The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier

    本文採用兩相流連續介質模型,由兩相分離流動理論得到方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三,並用元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。
  4. In this dissertation, nc tube bending process has been researched by using 3d fem numerical simulation in conjunction with theoretical analysis. based on the database technology, the nc tube bending simulation system ( nctbs ) is developed in order to make this process systematize and standardize and to control forming quality effectively. a brief introduction to the project and its results obtained are as follows : a mechanical model corresponding to reality has been established through analyzing the stress of nc tube bending process

    本文著重採用計算機數值模擬,並與理論分析相結合,對數彎管進行了三元模擬研究,同時自主開發了基於數據庫技術的數彎管模擬系統( nctbs ) ,初步實現了數彎管從設計、模擬到數生產的工藝規程系統化和規范化,對效實現數彎管工藝的質量重要意義。
  5. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用理論和三歐拉方程的機翼氣動反設計研究,以及升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形式,研究與發展了三共軛方程的體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的效結合,成功發展了三機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  6. In this model we divide system into several sub - layers, and strictly control visiting popedom in order to assure the system ' s high cohesion low coupling, good maintainability, easy expansibility, being good transplantable, etc

    該模式對系統的層次進行了詳細的劃分,並對各層次之間的訪問權進行了嚴格的。確保系統具高內聚、低耦合、易護性、可擴展性和可移植性強等特點。
  7. Jan. 1998 ? jun. 2002 : hot section captain, in sichuan dali electrical co. do the automatic hot control and hot equipment and machine maintenance and repair work. get the hot worker maintenance certificate

    1998年01月? ? 2002年06月,在四川大利電力股份公司,擔任熱工班班長。主要從事熱工自動和熱工儀器儀表的護工作。曾取得熱工儀表修中級等級證書。
  8. The first part of this thesis brings forward the normal procedure of bridge construction crack analysis, briefly makes an argument about the crack control standard at home or abroad, analyses some questions on crack, states the experiment analysis of crack controlling by using steel fibre reinforced concrete ( sfrc )

    本文上篇,提出了橋梁結構裂縫分析的一般步驟,簡要地評論了國內外現裂縫準則;探討了裂縫的關問題;對裂縫產生的機理進行了分析;闡述了鋼纖混凝土裂實驗研究。
  9. The table will write down all about the electronic records during their life period. the content noted in the table will be the only basis on original and reality " testing of electronic records ". the major task of the second levels is to build the tight filing rules, moreover, combined the " life cycle table ", to build the test system to assure the original and the reality of the information during filing ; the assignment of the third level is to build testing and restoring measures of the original and the reality. by maintaining the media of electronic archives or building information file of electronic archives etc, electronic archives can maintain their available ^ visuak understandable during their deadline ; meanwhile, to build the safe control of the system through the workers dispersed authorization and deterring skills, to formulate the standards of the protective system, such as the standard of the basic structure of united electronic records ^ electronic archives. all of this is important to protect the original and the reality of electronic records and electronic archives

    「生命周期表」所記錄的內容將作為電子文件歸檔時檢驗原始性、真實性的唯一依據;電子文件歸檔管理層中的主要任務是要建立起嚴密的歸檔度,同時結合「文件生命同期表」建立檢驗措施保證電子文件在歸檔過程中信息內容的原始性、真實性;電子檔案保管層中主要任務是建立電子檔案數據原始性、真實性檢驗及原始數據恢復管理措施,通過對電子檔案載體的護、建立電子檔案護管理的信息文檔等工作,確保在保管期中的電子檔案保持其可用性、可存取性、可理解性:建立電子文件與電子檔案原始性、真實性保護體系安全,通過對系統工作人員授權分散化、建立用戶標識與認證技術等措施確保「保護體系」安全運行;加強「保護體系」涉及的標準與規范的定工作,如建立統一的歸檔電于文件、電子檔案基本結構等標準對保護電子文件、電子檔案信息原始性、真實性著重要意義。
  10. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統的目標,將功率分成三段進行,在低風速區,載荷是的,以功率最大化作為目標;在額定風速附近,由於處在升力曲線斜率的變化點,功率變化較大,應盡快調整槳距角進入失速區工作,減少載荷的波動,該額定風速區的上下工作點要通過現場試驗的手段來確定;在額定風速以上,使功率持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對策略進行了驗證。
  11. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染措施機地結合,選取水環境容量和污染指數作為水污染的參數.這樣,一對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現的水質模型基礎上所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而定的污染物濃度值,從而定相應的水污染措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染及污水對河道水質的影響是實用效的
  12. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染措施機地結合,選取水環境容量和污染指數作為水污染的參數.這樣,一對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現的水質模型基礎上所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而定的污染物濃度值,從而定相應的水污染措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染及污水對河道水質的影響是實用效的
  13. Based on the dynamic analysis of the three - dimensions finite element model of three - gorges ship lift structure, the equivalent reduced mechanical model is established. the comparisons beween the dynamic characteristics and seismic response of these two models demonstrate that the reduced mechanical model can be used in the research on the seismic whipping effect control in the top machinery building of the ship lift structure

    本文基於三元模型的動力分析建立了等效的簡化力學模型。兩種模型的動力特性和地震反應表明,升船機頂部廠房地震鞭梢效應的磁流變智能自適應減震可以採用本文建立的簡化力學模型模型。
  14. The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time

    樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論,應用darcy定律並使用元/體技術建立起來的;熱傳遞模型是一個二瞬態熱傳導方程,考慮樹脂反應放熱;樹脂的固化模型利用了kamal提出的固化動力學方程,將固化度取為時間和溫度的函數。
  15. In the numerical methods section, a finite element / control volume mold filling simulation, a tensor representation of fibre orientation and a finite element solution of the transient fibre orientation equations are combined in the program. the input data and output results are visualized by means of finite element software

    程序中用單元體方法模擬模壓流動,用表徵纖取向的張量和元伽遼金方法來解決瞬時纖取向方程,用計算機圖形原理編程實現對smc流動軌跡、纖取向分佈的計算機模擬。
  16. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演算法,主要內容可分為以下幾個方面:首先從積分形式的二lagrange流體力學方程組出發,用體積格式進行計算,考慮壓力梯度分佈對速度和能量改變的影響,構造了在兩個體上的動量方程的計算格式,使得速度的改變受其周圍八個壓力的影響,在一定程度上推遲了網格相交的進程。
  17. The - two - equation turbulence model and the control - volume integration method and simplest algorithm were employed to simulate the three dimensional, isothermal, incompressible, rectangular two - impinging - jet on a flat plate

    本文採用-紊流模式,使用體積積分之差分法及simplest計算程序,進行三、恆溫、不可壓縮、矩形雙噴射撞擊流場之數值模擬。
  18. The focus on all of this is further reinforced ( especially if the skin of the body you inhabit is of a shade that provokes judgement among the unenlightened who identify with the body ) by cultural importation of opiate drugs by the controlling powers of society, inundation with neurologically mind - bending pharmaceuticals and the rest of it, all of it designed specifically to keep the attention of your consciousness bound within the purview of the lower three structural areas of the brain, as well as to financially sustain cultural and economic infrastructures based on ego, security, image, sensation and power - - - all of which have absolutely nothing to do with who the entity really is or why the entity is here on earth in the first place

    由於社會力的鴉片文化的輸入,對所這些的焦點被進一步增強(尤其你居住于其中的體膚像是一個簾子,它驅使你做出你就是你的身體的愚昧的判斷) ,再加上,扭曲頭腦的神經醫藥和其他,所這些,都特意使你意識的注意力局於頭腦中較低的三個結構區域中,以及在財政上持基於自我、安全、形象、感覺和力量的文化和經濟基礎? ?所這一切都與這個實體真正是誰、或首先與為什麼這個實體在地球上毫無關系。
  19. Daily monitoring of conditions and proper records maintained, control actions taking place of specification conditions

    每天監測(環境)條件並持紀錄,發現超出規條件採取行動
  20. Finite - dimensional feedback control of a reaction - diffusion equation

    一類非線性反應擴散方程的反饋
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