現場模擬法 的英文怎麼說

中文拼音 [xiànchǎng]
現場模擬法 英文
simulated in situ method
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 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...
  • 現場 : 1. (出事地點) scene 2. (工作地點) site; spot; on-site; work field
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元在聲輻射問題上的理論及應用;並給出了運用邊界元分析軟體求解振動聲輻射問題的過程。闡述了有限元和邊界元的耦合理論及組合分析方,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據程序,並了通過組合方分析封閉鼓形薄殼瞬態響應聲而獲得一關鍵點的聲壓數據,實聲音的可聽化,隨后通過虛實工具實了該情形下橢球殼振動噪聲的虛
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事地基工程振動試驗及相關課題的研究工作,本文以截頭錐地基,對地基(巖基)承載力的動測進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性型的有限單元計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方進行了較為全面的研究,為建立一個較為完備的自導系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學型、環境中的噪聲信號型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響型,產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導系統的總體框架,給出各個具體功能塊組成,討論了聲自導系統對信號的時域與空域處理,並結合程序中陣列信號處理塊,給出固定多通道波束形成的過程; ( 4 )根據系統的型與已建立的流程圖編制了通用魚雷器自導系統軟體,通過網路與控制系統相連,組成完整的魚雷器。
  4. With the effective parallel computation algorithm, the simulation of complex inviscid flow is finally achieved more efficiently and quickly

    進一步配合流有效的并行計算演算,最終可實高效、快捷地復雜流
  5. In order to open the cover of a concentric canister launcher ( ccl ) automatically with the jet during its launching, four schemes are put forward, viz. fracturable cover, eccentrically positioned interior and exterior launching tubes, jet guides of assymmetric construction, and covers made of heterogeneous materials

    摘要為實導彈自力發射時同心發射筒前蓋自動向一側開啟,討論了4種燃氣開蓋方案:易碎蓋方案、內外筒偏心蓋方案、半導流錐方案和各向異性材料發射筒蓋方案,並用數值方了各種方案的筒內復雜三維流
  6. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方實用化的發展,本文進行了下列研究工作:綜述了lb方在理論研究和實際應用方面的新進展,以及d2q9型的推導過程和其他一些常用的型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方,它綜合了上述兩種邊界條件的優點,在流的各種邊界處理中取得了非常好的效果,經過塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方計算效率較低的不足,提出了雙重網格的latticeboltzmann方,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的,證明這種方能夠明顯地提高流的計算效率;此外,根據復雜區域流的特徵提出了latticeboltzmann方的分塊-耦合演算,利用lb方的計算特性實塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流,展示了這種演算的特徵和優點,以及它所具有的應用前景。
  7. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方提取目標的特徵,在知識指導下,提出了一種基於目標特徵型的降維的形態學分形維數計算方,對傳統分形方進行了改進,從理論上推證了演算的合理性,並對演算進行了分析;針對傳統hough變換無獲得線段端點和長度信息的局限性,提出了一種基於目標特徵先驗知識的hough變換融合策略,通過引入目標先驗知識,可以有效地獲得直線信息;對信息多而復雜的機目標採用基於知識的目標識別方,使用置信度摘要型實不確定推理,對目標進行識別判斷,將知識貫穿于整個識別過程中,對目標進行了有效地識別。
  8. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術指標;在室內進行膨脹土摻灰的最大有效粒徑的試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性;用數值方對路堤使用期的濕度進行,並與路堤的強度?變形的計算域耦合,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的數值方;用有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  9. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算式相差很大,承載力也較設計增加;使用力學數值分析方和有限單元,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行計算和定量研究。
  10. Used regulations method calculating, analyzing and comparing the lightning protection performance with field data for the line firstly, . then put forward more reasonable model ( distributing parameter model ) to calculate the surge impedance of tower combining the existing model and validate by emtp, furthermore studied the striking distance factor based on electromagnetism

    首先利用規程對線路的耐雷性能進行計算、分析,並與數據比較;同時結合目前對桿塔波阻抗的研究方,提出一種更合理的桿塔波阻抗計算型?桿塔分佈參數型,並利用emtp進行計算和驗證。
  11. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為巡線工作人員及時提供準確、可靠的信息,減輕人工巡線的負擔,同時加快線路的恢復供電,減少因停電造成的綜合經濟損失,為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了有的各種測距方,根據測距的原理將其分為阻抗和行波兩大類,對各種演算的優缺點及適用范圍進行了分析,在此基礎上提出了一種組合的測距方案,並對演算進行了分析。
  12. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響,投藥絮凝過程是一個非常復雜的反應過程,為實投藥系統的自動化和降低混凝劑耗率,國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究,主要有流動電流儀檢測( scd ) 、實驗、數學型、顯示絮凝控製( fcd)等自動投藥方式的研究和實驗。
  13. In order to verify the simulation field, the ultrasonic wave field radiating by a planar transducer was measured by small ball. by comparing the simulation field with the measured field, it is found that mgb is accurate in the far - field and most near - field region

    為了驗證聲的可靠性,利用小球測量了直探頭的水中輻射聲,將試驗聲比較,發多元高斯聲束型在遠區和大部分近區都是有效的。
  14. Then the whole scheme design and research of the system are given. and then based on the deep comparisons among the variable switch indicators, the reliability of communication between the main communicating machines and data transfer is studied, and the detail method for realization is presented too. at last, the system design is proven to be fully feasible by the actual development and simulation experiment, and the prospective aim is achieved in the session of connection and actual emulation experiments

    論文中首先詳細介紹了系統研製的目的、組成、完成的功能,其次給出了系統的整體方案設計和研究思路,再次著重對道岔表示器的多種制式進行了深入的研究和比較,並在此基礎上對主通信機及數據通信的可靠性進行了研究和設計,給出了具體的實;最後進行了實際的製作,並通過試驗證明本設計是完全可行的,在系統聯機試驗和試驗階段達到了預期的設計目的。
  15. Selecting thermal characteristic parameters of concrete according to the feedback analysis of the data determined in spot is a kind of reliable method when big physical volume concrete temperature field is in simulative calculation

    摘要大體積混凝土溫度分析時,根據實測資料對溫度參數反分析是選取熱力學參數的一種比較可靠的方
  16. The second, a complete simulation computation method for output circuit of broadband klystron is developed, basing on existing program isfel3d for simulation computation of three dimensions electromagnetic field, principle of output circuit of broadband klystron and microwave network theory. some practical examples are calculated and the calculated results are compared with cold test results, so that the reliability of the simulation computation method is proven

    第二,基於有的三維電磁計算軟體isfel3d 、寬帶速調管輸出迴路原理和微波網路理論,建立了一套完整的寬帶速調管輸出迴路計算方,並通過實際例子的計算結果和冷測結果的比較,驗證了該計算方的可靠性。
  17. The emulation method is often used in the countries where the land - use is decided by the market, but it can not figure into the land - use reform

    在土地的使用主要由市來訣定的國家裡比較適用,但它難以實城市士地改造問題。
  18. Based on the fractals of the capital market, this paper derives a fractional geometric brownian motion model for the stock price. this paper constructs a formula for option pricing on the basis of the fractional brownian motion model. on the one hand, this paper draws on the latest researches in this field : the explicit formula for european option pricing ? the fractional brownian motion formula for option pricing ; on the other hand, the analytical solution is derived through the monte carlo simulation

    基於資本市的分形特性,本文接著推導出股票價格變化的幾何分數布朗運動型;隨后,在該型的基礎上,本文研究了在分數布朗運動環境下的期權定價型,一方面引用了國際上最新的研究成果:在分數black - scholes完全市下,歐式期權定價的顯式公式-分數black - scholes期權定價公式;另一方面,又運用蒙特卡羅,通過股票價格變化的路徑並進行貼,得出了歐式期權價格的數值解。
  19. For convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted. in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time. in the new method a pressure - gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure - correction equation

    本文基於結構化正交網格,為便於實施網格加密,採用了變量同位存儲的同位網格體系;為平抑該網格體系下的壓力振蕩問題,除採用動量插值方外(單純採用該方不能完全平抑振蕩) ,首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方,從而完全解決了建築風中同位網格下可能出的不合理壓力的問題。
  20. Fourth, the paper study the serum material and prescription of by chamber experiment, study the construct process and key technic parameter by locale simulation test, and study the dispose effect, applicability stratum range and operation mechanism in foundation reinforce by studying practicality project, the paper still study the test of reinforce effect about present building foundation and disfigurement stake of technique of composite grouting

    第四,本文通過室內實驗對復合注漿漿液材料和配方進行研究;通過試驗對復合注漿的施工工藝、關鍵技術參數進行研究;通過對實際工程應用的研究對復合注漿在地基和基礎加固中的加固處理效果、加固適用地層范圍及加固作用機理進行分析研究。本文還對既有建築物地基及缺陷樁基礎的復合注漿加固效果檢驗進行了研究。
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