流場計算模型 的英文怎麼說

中文拼音 [liúchǎngjìsuànmóxíng]
流場計算模型 英文
jasmine
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 場 : 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] （...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up

    根據高速列車粘性紊態繞流的特點，在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎，建立了高速列車外流場的計算模型，在近壁區域採用壁面函數修正紊流模型。
  2. 2. the transonic flow field solutions of a ttcp standard waf - body combinations are computed using the software of cfd, the results are agreement with experiment dates, this verifies that the accuracy of the numerical simulation model is ensured

    2 .應用cfd軟體對某ttcp標準卷弧翼-身組合體跨聲速下流場進行數值計算，將計算結果與文獻試驗結果進行對比，驗證本文數值計算模型。
  3. On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established

    根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系，由此得到了二元混壓式超聲速進氣道數學模型。
  4. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  5. In the paper, a numerical model of the interior flow of the submarine - based missile underwater launching is established. simulation of the interior flow of submarine - based powerless missile underwater launching is performed by applying the finite volume method

    本文建立了潛射導彈水下發射的內流場數學模型，採用有限體積法（ fvm ）對無動力導彈潛艇發射時的內流場進行了模擬計算。
  6. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  7. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  8. With the flowchart the program can be divided into six parts and it includes initial flow field, computation of molecular motion, boundary treatment, re - sort of molecular, sample and computation of molecular collision. several cases have been simulated to certify the correctness of the program. dsmc method is improved using method of characteristics to modify the boundary condition and gets the goal as expected

    首先，編程實現了基本dsmc方法對二維流動的計算，給出了所用演算法的原理、相關模型，並結合程序結構流程圖，分別介紹了初始化流場、計算分子的運動、邊界的處理、分子的排序、抽樣計算分子的碰撞、流場參數采樣統計各個功能模塊在fsmm2d中的實現，並對該程序進行了算例校驗。
  9. Through the analyzes of electromagnetic system of a axial symmetry by the method of electromagnetic vector potential, an eddy current field math model is build by triangle cell, this article has researched the effect of power frequency to eddy current density, penetration depth and the skin effect

    本文以電磁場矢量位有限元法為基礎對二維軸對稱場的磁場強度、渦流密度進行了計算求解，採用三角形單元和六面體單元建立了渦流場數學模型，研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。
  10. The water - model experiment results, the flow field information from the authors and the industrial data from baoshan iron and steel company were used to determine the model parameters and verify the model, which can make the prediction values from the model agrees well with practical ones

    結合水模實驗、流場計算和寶山鋼鐵集團公司的鐵水包噴粉深脫硫生產數據確定了該模型的參數，並對其進行了驗證。
  11. By analyzing and studying the hydrogeology condition of the reservoir bank, typical zone is selected to build the realistic hydrogeology and mathematic model. the dynamic character of the groundwater seepage field of slopes in fengjie section during the present time, the initial process of storing water and operation of the reservoir, the late process of storing water and operation of the reservoir is imitated with 3d - modflow

    通過分析岸坡的水文地質條件，選出典型的代表區域，建立較逼真的水文地質模型和計算模型，運用3d - modflow軟體對庫區岸坡內地下水滲流場在現庫水條件下、水庫首期蓄水及運行過程中、二期蓄水及運行過程中的動態變化特徵進行了模擬研究。
  12. Use commercial software numeca to calculate the flow - field of the inlet of the lsc with an insert - board, and analyze the flow - field. also a piv ( particle image velocimetry ) flow - field testing scheme is designed, but have not been carried out for some reasons, for reference only

    同時還利用numeca商業軟體對以這臺壓氣機為模型的進氣道在插板作用下的流場計算及分析，另外還設計了piv流場測量方案，因為種種原因沒有能夠最終進行試驗，僅供參考。
  13. Certain discrepancy remain between the simulation results and the experiment results, not only caused by the turbulent model, but also by the simplification of the inlet boundary condition and the mesh generation. modeling gas - particles interaction flows is complex. in this thesis, gas - phase transport equations coupled with the gas - particle interaction are derived based on the dsm turbulent models to handle the interaction of momentum and kinetic energy of turbulence between the gas and particles

    分離器內的固體顆粒運動採用涉及湍流擴散影響的隨機軌道模型和確定軌道模型，同時在湍流模型中加入了顆粒影響的源項，在流場計算的基礎上，模擬了不同直徑的顆粒在分離器內的運動規律及顆粒分離效率，並同理論和實驗得到的數據進行了比較。
  14. Based on the relocating mesh model, according to heat conduction theory, elastic creep theory and finite element theory, simulation program for roller compacted concrete overflow dam is worked out through 3 - d finite element method

    基於本文提出的計算模型，根據熱傳導理論、彈性徐變理論及有限元理論，作者編制了碾壓混凝土溢流壩溫度場及溫度應力場的三維有限元模擬計算程序。
  15. The method takes advantage of bezier curve to work out a set of blade profiles of centrifugal pump, using thickening law to thicken the profiles. then the pressure and suction lines of the blade can be obtained. it takes advantage of bezier surface to create pressure and suction surface and makes use of mdt software to create the three - dimensional blade entity

    首先採用速度系數法計算得到離心泵葉輪的基本參數，再由b zier曲線生成一組葉輪葉片型線，按照加厚原理對型線進行加厚，得到正背葉片線，再採用張量積b zier曲面生成葉片正背面，由mdt進行三維實體造型得到葉片，從而得到流場計算區域的模型。
  16. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。
  17. On the basis of existing studies in the field of seepage of rock mass both at home and abroad, the present dissertation has conducted a broad study in terms of hydraulic and geometric parameters, computing model, basic seepage law, fracture drainage, rockmass " unloading mechanics and its relations with seepage. the paper is written by employing such methods as field observation, model test, theory research and numerical analysis. the main research payoffs are as follows

    本文在充分認識了國內外巖體滲流研究的發展及研究現狀的基礎上，結合現場觀測、模型試驗、理論研究及數值分析等多種方法，對裂隙巖體的水力幾何參數、計算模型、基本滲流規律、裂隙排水、巖體卸荷力學及其與滲流的相互作用等多方面進行了研究，取得了如下一些主要成果。
  18. With this axial symmetric quasi - 3d model, the gas - flow field in such a wedge - shape air - gap is studied, the phenomena about taylor vortex in such a narrow wedge - shape air - gap is illuminated and the so caused gas - flow in axial direction is explained

    採用準三維軸對稱的計算模型，對楔形氣隙的流場進行了研究，驗證了高速旋轉情況下，環形間隙流場中充滿taylor渦流的現象及相關規律。
  19. In this paper, two - dimensional and three - dimensional flow models in supersonic inlet and a simple reacting flow model in combustor and integrated flow field are established on the basis of k ? two - equation turbulence model and steady - compressible n - s equations, which are dispersed by finite volume method

    本文以定常可壓縮n - s方程作為控制方程，採用-雙方程模型作為湍流模型，分別建立了超聲速進氣道的二維、三維流場計算模型和補燃室及一體化流場的湍流燃燒模型，並採用有限體積法對控制方程進行離散。
  20. Calculation model for plasma deposition with an assistant laser effect

    激光輔助大氣等離子弧堆焊射流場計算模型
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