模擬方程 的英文怎麼說

中文拼音 [fāngchéng]
模擬方程 英文
simulation equation
  • : 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 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  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,對工設計有著重要的參考意義;在數值面,以考慮錨固圍巖滿足規則化庫侖摩擦型為基礎,利用虛功原理推導了接觸問題的有限元的計算格式,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實例,利用本文所述的接觸問題的摩擦型理論,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. The frame structure, work flow and 3 - dimensional model building method of the virtual prototype design of the air compressor are presented in detail

    摘要闡述了空壓機虛樣機設計的框架結構、工作流及其三維型構建法,進行了設計與運動學法研究。
  3. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜合問題;本文法通過一次運行就能獲得一組具有集系特性的地震動,在合多阻尼比反應譜的人造地震波集系的面有傳統法所不能比的優勢,產生的人造波或人造波集系可滿足工抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  4. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸向擴散型對降液管中液體流動進行了數學描述,用時間域最小二乘法合了型參數,所作曲線與rtd曲線吻合較好。
  5. 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面: ( 1 )對自導工作過中的信號與信息處理的基本理論與法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、環境場中的噪聲信號型(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,並結合序中陣列信號處理塊,給出固定多通道波束形成的實現過; ( 4 )根據系統的型與已建立的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。
  6. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建的基本原理、思路與法, ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例,說明這一研究過的基本步驟,包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機法選擇、地質統計特徵分析、三維隨機建、隨機預測的多解性評價。
  7. System structure model based on simulation database is presented, by which realize effectively to integrate nc geometric simulation with physical simulation. 2. in the nc geometric simulation and nc verification, a partial rendering algorithm is improved by using dynamic oob ( oriented bounding box )

    2 .在幾何面,改進了幾何局部刷新演算法,提出動態向區域法,使在加工中可以進行旋轉、放大和縮小等動態操作,便於了解工件在加工過中的具體情況。
  8. In this pater, we define a new numerical method called the characteristic mixed finite element method for approximating the solution to two kinds of evolution equation

    本文針對兩類發展提出一種新型數值法? ?特徵混合有限元法。
  9. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型組進行了離散,並將數值結果和saurel的hll格式結果進行了比較,發現:在兩相流數值中,相對來說hllc格式對激波的解析度最高,結果最穩定,避免了hll格式在間斷處的非物理性數值振蕩。
  10. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過;採用最小二乘法非線性回歸與分段函數相結合的曲線法,進行圖形處理。
  11. Two numerical examples of simple component in two and three dimensions are analyzed respectively by using the formulated transition element. the calculated results show that the formulated transition element can realize the transition between elements with different mesh densities and the calculated stress has a higher precision, which suggests that the transition method using the formulated two dimensional and three dimensional transition element is feasible for the transition between different meshes of elements in the multi - scale damage modeling

    進行了相應的數值分析,應力計算結果表明:構造的過渡單元能夠實現疏密網格之間的單元過渡,應力計算性能良好,表明文中所提出的過渡單元的連接過渡案是可行的,初步實現了結構跨尺度損傷中所需要的疏密網格單元之間的過渡。
  12. The improved scheme can ensure the south branch to be open to navigation and the flow here not to be broken in low water seasons, and it will have active effect on protecting the south branch and fuyuan town. this study is an attempt of applying three - dimensional mathematical model in analogue calculation and analysis of flow, sediment and riverbed movements in a long river reach. it is very important for the future thorough research, and has great significance for promoting the application of the three - dimensional model to resolve

    本研究是三維數學型對較長河段水流、泥沙、河床運動計算分析的一次嘗試,其對今後進一步深入研究和應用三維型解決工實際問題,完善法、提高水平,真正發揮數學型其省時、省力、靈活便和細膩等在研究水沙運動規律和河床變形等面研究中優勢具有重要的意義。
  13. Based on the normal form obtained above, a global perturbation method is utilized to give the analysis for the global bifurcations and chaotic dynamics of the rotor - ambs system. the global bifurcations analysis indicates that there exist the heteroclinic bifurcations and the silnikov - type homoclinic orbit in the averaged equations

    利用全局攝動法研究了電磁軸承-轉子系統的全局分叉和混沌動力學,利用數值法分別對平均和原進行了分析,得到了的描述系統混沌運動的相圖和波形圖,從而驗證了理論結果的正確性。
  14. Abstract : to account some difficult problems in theoretical calculation of blasting demolition of buildings, the criterion for disintegration of brick - concrete structures, blasting height of frame structure, counteracting force of supports are analyzed. a numerical simulation is demonstrated for structure ' s destabilization and dilapidation in the process of blasting demolition of buildings such as chimney and bridge, which services a guide for theoretical study and practice of blasting demolition of buildings

    文摘:針對建築物爆破拆除理論計算難以把握的幾個問題,如磚混結構解體的判據,框架結構建築的爆高、支座反力,以及框架結構失穩和煙囪、橋梁爆破拆除倒塌過的數值法,進行了分析和說明,為建築物爆破拆除設計理論研究與施工提供了參考依據。
  15. In this paper, ansys data model and corresponding physical model are built in simple concrete beam based on the theory and method of structure diagnosis and made a experiment, in order to examine the diagnosis ability of diagnosis theory, many kinds of diagnosis designs are put forward

    本文建立了簡支鋼筋混凝土梁的ansys數值型和相應的物理型,並基於振動態測試理論和法,在試驗室進行了結構損傷試驗。為了檢驗各種診傷理論對結構損傷的位置、損傷度的識別能力,設計了多組損傷案。
  16. And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value

    本文在對一系列apfc電路設計、分析法討論比較的基礎上,著重應用離散時域法進行了計算機輔助電路設計和法的應用探索,以此為基礎設計了pfcexpert功率因數校正電路設計、軟體,針對實際電路給出了整個設計和全過,通過實驗驗證了該軟體所得到的精確穩態解、瞬態輸出電壓和電感電流,與實際電路輸出基本相同,所建立的電路型重現了電路的運行過,反映了電路的實際工作機理。
  17. In the computer simulation, the finite element program ls - dyna was used to simulate six operating modes of experiment

    在計算機面,利用大型有限元序ls - dyna對實驗中的六種工況分別進行了數值
  18. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值面,應用三維湍流n - s以及顆粒軌道型描述了激光器燃燒室內部的噴霧兩相燃燒流動過,兩相之間的質量、能量交換由液滴蒸發型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  19. A new method of adjusting boundary nodes in three - dimensional fem simulation of metal forming

    金屬塑性成形三維有限元中動態邊界調整新
  20. The author first proposes an improved mass - spring model developed for rectangle meshes based on the survey of cloth modeling methods, by which the simulation of cloth is formulated unifiedly. the dynamic system of modeling and simulation is derived and solved using time differentiate method, with given composition and expression of internal and external cloth forces in the formulation

    在此基礎上作者提出改進的基於矩形域的質點-彈簧型,利用該型統一建立了布料真實感模擬方程,給出中質點所受內力和外力的組成與表達式以及動態系統的推導和求解過,並且描述了的具體實現演算法。
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