虛功定理 的英文怎麼說

中文拼音 [xūgōngdìnglǐ]
虛功定理 英文
virtual work theorem
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  4. Adopting the method of top - down, the virtual memory is divided into memory mange related unit ( segment unit and page unit ) and protection mode related unit ( protection test unit, debug test unit and exception detect unit ). data buses and control bused are designed separately for all of the units. vhdl codes are written and simulated

    Amex86的虛擬存儲器採用自頂向下的設計方法，把虛擬存儲器劃分為地址管理相關單元（又包括分段單元和分頁單元） 、保護模式相關單元（又包括保護測試單元、調試異常單元利異常檢測單元等） ，分別確立其數據通路和控制通路，完成了vhdl的編碼和模擬工作，通過測試程序模擬驗證了其功能的正確性並測定了基本性能。
  5. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功率為1 . 5kw ，最大輸出轉速，額定輸出轉速的無級變速器的設計要求，並考慮到傳動角及變速比等因素，在運動學模擬的基礎上，對運動學參數進行了優化；本文對變換器連續作用的初始裝配條件進行了理論分析與研究，對輸入、輸出變換器作了結構尺寸的設計，並進行了強度校核計算；本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計；最後採用workingmodel3d軟體，進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。
  6. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  7. Living in china is no longer with a life ; existence gives way to nothingness ; passing time and prolong physical existence supersedes the distinct human yearning for meaning and spiritual fulfillment ; functions of body cavities replaces function of human brains and souls ; education becomes a method to create more and more state serving slaves with no originality and creativity ; face, border, money and power defines the word chinese

    在中國存活的人們並沒有真正的生命；存在被虛無窒息了；混日子與尋求長生不老淹沒了人對生命意義的追求和對精神滿足的渴望；人身洞穴的生理活動壓倒了人類頭腦的功能；教育成為了製造一代又一代精忠報國的政府奴隸的手段；這些皇權的奴隸們既沒有獨立精神，更沒有創造能力；臉，皮，錢與權力早已成為中國人的定義。
  8. Ftam supports file operation from different systems, that means ftam has nothing to do with the system on file transfer and file treatment. second : disk array is introduced to tfft. the scsi interface is modified to satisfy the requirement of ewsd

    Ftam信息模式是基於虛文件和虛文件存儲器的概念，支持不同系統之間的文件操作，即ftam在文件的傳送和處理方面有著與系統無關的特性；引進磁盤陣列技術，修改scsi介面，以適應ewsd交換機的要求；參照q3介面協議編寫出上層的網路管理軟體系統，實現tmn定義的文件傳送方面的功能。
  9. Virtual ultrasonic detector ( vud ) is the result of the combination of virtual instrument technique and ultrasonic detecting technique. vud is smarter, cheaper than traditional instruments and represents the direction of ultrasonic flaw detecting. this paper put forward a project developed on the base of second generation vud

    超聲波探傷是應用廣泛的無損檢測方法之一，虛擬超聲波探傷儀是虛擬儀器概念在超聲波探傷領域的應用，不僅實現了傳統的模擬超聲波探傷儀的所有功能，而且對傳統探傷儀的原有功能進行了擴展，使其具有一定智能處理能力，是超聲波探傷技術的一個重要發展方向。
  10. In the paper we amply introduce the logical structure and design of software and hardware of the virtual multi - channel instrument system for temperature measurement. applying the object oriented programming ( oop ) method, center control module, transmitter demarcating module, channels and scopes module, data collection and process module, data analyze module, data display module, data redisplay module, print module and the other auxiliary functions are designed, which realize the collection, process, analyze and display of the powerful virtual instrument

    在本文中，作者詳細介紹了虛擬式多通道溫度測試儀系統的邏輯結構和軟硬體設計，運用面向對象（ oop ）的軟體設計方法，通過中心控制模塊、變送器標定模塊、測溫通道和測溫范圍設置模塊、數據採集與處理模塊、數據分析模塊、數據顯示模塊、數據回放模塊、列印輸出模塊和其他輔助功能模塊的設計，實現了對溫度信號進行採集、處理、分析和顯示的功能很強的虛擬測溫儀器。
  11. Integrity image quality balance and costs. based on the entire analysis of self - control virtual real - time photographing, the algorithm not only introduces the information fusion theory and human vision system to virtual photographing system, but also resolves the hard color - key problem caused by traditional key control method. it reveals humanistic function and good practical value

    這樣，不僅能把信息融合技術（ informationfusiontechnology ，簡稱ift ）和人類視覺系統（ humanvisionsystem ，簡稱hvs ）的研究成果引入虛擬照相系統中，使系統的「人性化」功能增強；同時，也對解決傳統鍵控技術出現的「硬色鍵」問題，有一定的理論和實際的參考意義。
  12. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從有限位移彈性理論的虛功方程出發，推導出穩定橋全橋結構的非線性有限元運動方程，還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣，這一點在參考文獻較少見。
  13. In spite of the very close affinity between the variational theorems and the principle of virtual work, the study of the former is worth-while.

    盡管變分定理與虛功原理之間有很緊密的相似關系，然而對前者的研究仍然是有價值的。
  14. Based on the results, the eccentrically braced frame has the advantage of higher initial stiffness, load - bearing and energy consume ability. through the limit state analysis principle, the limit load was calculated by assuming the same destroy pattern of braced frame as that in the experiment. comparing the theory limit load with the measured, a good agreement was founded. it shows that the limit state analysis is really a practicable way analysed the reinforced concrete frame braced with eccentric steel

    應用極限分析中的極值原理對偏心角鋼支撐鋼筋砼框架進行極限分析時，首先擬定與試驗結果相一致的結構倒塌破壞模式，然後根據虛功原理建立了結構在極限狀態時極限承載力的計算公式，從所求的權限荷載的理論值與實測值的比較來看，理論計算值與試驗的實測值基本吻合，這說明利用本文擬定的結構破壞模式對偏心角鋼支撐框架結構進行極限分析是一條可行的途徑。
  15. The writer bases her research work on the most popular grid middleware globus toolkit, and takes grid platform of fault - handling of electric power as the application background, and her work includes : ( 1 ) researching into grounded theories of grid and key technologies of grid information service, and analyzing thoroughly the bottom implementation mechanism and related function interfaces of mds in gt3. 2 ; ( 2 ) analyzing the shortage of traditional fault - handling system of electric power, and putting forward the necessity of importing grid technology into this application domain ; ( 3 ) doing a thorough application analysis for the grid platform of fault - handling of electric power, and bringing up the architecture based on globus toolkit for this application domain, and then locating focus on the information service, finally designing and implementing the service information management module ; ( 4 ) successfully installing, configuring and testing gt3. 2 under the linux operation system, and establishing a simple virtual organization as a simulative grid environment ; ( 5 ) designing testing instances fit for the simulative grid environment, and developing grid services for testing related functions ; ( 6 ) summarizing the writer ' s research work, looking forward to the developing directions, and settling the base of succeeding work

    本文的研究工作圍繞網格信息服務展開。作者以現有主流網格中間件globustoolkit為基礎平臺，以電力故障處理網格平臺作為應用背景，進行了以下研究工作: （ 1 ）對網格基礎理論和網格信息服務的關鍵技術進行了研究，並深入分析了gt3 . 2中mds的底層實現機制和相關功能介面; （ 2 ）分析了傳統電力故障處理系統的不足之處，提出在該領域引入網格技術的必要性; （ 3 ）對電力故障處理網格平臺展開應用分析，針對該領域提出了基於globustoolkit的總體架構，然後將重點定位到信息服務上，設計並實現了系統的服務信息管理模塊; （ 4 ）完成linux平臺下gt3 . 2的安裝、配置和測試工作，並構建了一個簡單虛擬組織作為模擬網格環境; （ 5 ）針對模擬環境設計測試實例，編寫網格服務對相關功能進行了測試; （ 6 ）總結作者的研究工作，展望下一階段的發展方向，為后續工作奠定了基礎。
  16. Now the emphasis is transferred to the design and implementation of memory system. before a deep discussing, some basic knowledge is introduced, such as the memory classification and hierarchy, address space, access controlling, cache, memory coherence, and the popular memory system implementation method. then the archteture of the target memory system is presented and divided into two subsystems, the virtual memory management subsystem and memory access subsystem, according to their function

    接下來本文將重點轉移到研究已定目標vliw處理器存儲系統的設計和實現，先對存儲系統設計涉及的存儲器及其組織層次、地址空間、訪問控制、 cache 、存儲一致性、常見的實現方式等因素作了分析，然後給出了目標存儲系統的總體框架，並按功能將其劃分為虛存管理和訪存兩個子系統。
  17. Starting from two well - accepted assumptions in theory of thin - walled beams, a general theory for linear analysis of curved beams with any open sections is established in this paper by using the principle of virtual work. the equations of equilibrium and natural boundary conditions are given

    文章首先從薄壁構件理論的兩個基本假定出發，利用虛功原理，建立起一套精確的、可以應用於任意開口薄壁截面圓弧曲梁的線性理論，給出相應的平衡方程和邊界條件。
  18. The thesis also introduces the virtual instrument ’ s concept, system architecture, etc. the development of virtual instrument ’ s application software is discussed in detail. it includes virtual instrument software architecture ( visa ), and virtual instrument ’ s software platforms. the thesis discusses the principle and mechanism of work of the simulation of embedded system. by comparing with the principle of traditional logical analyzer, it draw a conclusion that the virtual logical analyzer will work in synchronous way when it is used for both logical state analyzer and logical time analyzer. the thesis

    論文接著探討了嵌入式模擬平臺的原理和工作機制，通過與傳統邏輯分析儀原理的比較，得出了嵌入式模擬平臺下邏輯分析儀無論是做定時分析，還是做狀態分析都工作在同步方式下;並重點剖析了探頭原理，采樣定理和毛刺，數據的建立和保持時間等邏輯分析儀的重要技術指標，得出了虛擬環境對虛擬邏輯分析儀的功能和各項技術指標的影響，還提出了流水線狀態表的思想和實現機制。
  19. To achieve the object, firstly, the theory of virtual work principles for deformable body is established. then, by means of the principle, the expressions for classical problems and contact problems are constructed, which are the basis of the following fem. sequentially, the fem formulae for contact problem can be obtained with no difficulty

    論文中，作者首先對變形體虛功原理作了理論分析和研究，確定了建立變形體虛功原理的基本原則和方法，據此建立了固體力學經典問題的虛功原理，進而用於接觸問題，建立其相應的計算公式，為下面的有限元計算奠定了基礎。
  20. In chapter two, the liner theory of elasticity solid ' s addiontional on initial - stress configuration is narrated, the initial stress is adopted as parameter described currently configuration, corresponding virtual principal and variation method are given, and the energy theory of balanceable stable critical condition is put forward according to the ideology of addiontional deformation on initial stress configuration

    第二章從初應力位形上彈性固體附加變形的二次理論入手，引出了初應力位形上附加小變形的場論；採用初應力作為描寫當前位形的參數，提出相應的虛功方程和位移變分原理；從初應力位形上附加變形的思想，提出平衡穩定臨界條件的能量原理。
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