數值模擬中心 的英文怎麼說

中文拼音 [shǔzhízhōngxīn]
數值模擬中心 英文
numerical modelling centre
  • : 數副詞(屢次) frequently; repeatedly
  • : 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
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317

    鄧小剛.粘性超聲速復雜氣動力干擾的[ d ] : [博士學位論文] ,國空氣動力研究與發展, 1991
  2. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行;最後提出在分流煙道轉彎處加裝導流板,並加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  3. From the numerical modeling results, it can be found that there is a clockwise gyre in the middle part of bohai sea, whether in wintertime or in summertime. in summer, the clockwise gyre corresponding to the high - temperature and low - density center in the middle bohai sea is mainly dominated by the density circulation. and in winter, it is mainly dominated by the wind stress curl

    通過結果發現,在渤海部,無論冬季還是夏季,都存在一個順時針的渦旋運動,夏季,對應于渤海部的高溫低密,其流場主體部分呈順時渤海冬夏季環流特徵及變異的初步研究針向旋轉,這主要是密度環流占優的結果,而冬季的順時針向的旋轉,主要是海面風應力旋度影響的結果。
  4. Numerical simulation for 3 dimensional geologic bodies with different electric property parameters, which is conducted under the way of central loop tem, is the theoretical foundation for understanding its electromagnetic response characters and developing new interpreting methods

    摘要不同電性參的三維地質體在回線瞬變電磁觀測方式下的是認識其電磁響應特徵規律並進而開發新解釋方法的理論基礎。
  5. It is discovered that the combustion condition of the second stage pc is up to the outlet temperature of the first stage pc and the content of combustible gases in first stage flue also plays positive effect on the ignition of second stage pc. the effects of parameters of two coal - air mixture, wall temperature of first ignition chamber and annular filling air on imfit are studied experimentally in this thesis. in this thesis, the numerical simulations of ignition and combustion of pc in imfit are conducted

    本文通過建立型,對感應加熱煤粉多級無油點火進行,研究了一級煤粉煤粉在點火室內的著火過程和二級點燃過程、煤粉粒徑分佈對煤粉多級無油點火的影響,研究了一級點火室壁面溫度、一級煤粉氣流和二級煤粉氣流的風粉參在煤粉多級無油點火過程的影響規律;根據二級點燃段的流場和溫度場分佈,研究了環形夾風推遲二級煤粉著火的機理。
  6. But only for the closure of indonesia passage, warm pool can be formed under 150m with the center between 300m and 600m or so while in upper layer the modern sea temperature is still colder, so seen from the simulation, only the open of indonesia passage can not form the warm pool like the present

    P )的海溫要暖,形成淺層暖池。但單是上述通道關閉,暖池只形成在150米以下,在300 ? 600米深海洋層,而海洋上層( 150米以上)仍為現代冷。依來看,只有上述通道的開啟,並不能形成如現代淺層海洋暖池。
  7. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析,形成對高原暴雨的整體認識,並為以後的提供大尺度環流背景及依據,分析發現: 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響,年降水量和大到暴雨次自東向西呈階梯性遞減趨勢,分別在高原東北部的外流河谷地區和四川北部地區存在大
  8. The terrain effect force wind ' s speed reducing and wind ' s direction turning to left with contrasting the experiments of numerical simulation the text analyses the structure and microcosmic character of sea wind in zhoushan maritime space and consanguineous connection between sea wind and action of dynamical and thermodynamic. the task gets the result of case a by using t213 datum of weather center and contrasts it with the actual sea wind. the task establish a foundation in order to use this mode in the environmental forecasting

    通過對比試驗,分析了舟山海域海面風的結構和微觀特徵,以及海面風與動力作用(復雜地形)和熱力作用(海陸熱力差異)之間的密切關系。進一步利用國家氣象提供的t213高解析度預報場檢驗海面風風場的預報效果,最後將其結果與實際觀測作比較,為將該式投入環境(海流,海浪,風暴潮等)動力預報奠定基礎。
  9. According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response

    在深入分析國外四維地震可行性研究成果和成功實例的基礎上,提出了有利於水驅四維地震成功的工區優選條件;簡要剖析了各種開采方式及其對地震特性的影響;利用理論計算、巖分析、油藏三種方法確定了流體替代對縱波速度的影響;通過對長期水驅造成的物性參、測井曲線以及油藏溫度和壓力變化規律的總結,分析了這些變化對地震速度的影響,指出了目前國內外水驅四維地震可行性研究存在的盲區?沒有充分考慮長期注水造成的物性、溫度和壓力變化對地震響應的影響,完善了水驅四維地震可行性研究的內容;在考慮了這些變化因素后,高29斷塊水驅四維地震可行性研究結果表明:四維地震監測注水前沿可能要比監測油藏變化容易的多;以四維地震巖石物理可行性研究結果為基礎,提出了五個有助於突出四維地震造成的微小差異的途徑,為今後水驅四維地震研究指明了方向。
  10. Detailed predictions on the fluid flow in mold and in cavity of nozzle working end were obtained at different side - hole angle and submerged depth of nozzles, and then the flux variation of liquid steel passing through central hole of the three - hole nozzle and the fluctuation of liquid steel in mold were inspected based on above predictions

    針對3孔浸入式水口不同側孔傾角和浸入深度,對結晶器內鋼水流動做出了較為詳細的預報,研究工作就此分別考察了水口孔流量變化和鋼水液面波動幅度。
  11. The generation is coinciding with the probability distribution for the same work procedure. for one turn of simulation, the rigid network plan algorithm is used. after enough turns of simulation, the distribution of the total work period can be determined, at the same time the critical path and time parameters can be found in the pnp

    本文首先論述了網路計劃發展的幾個方面,然後引入概率理論與統計知識,建立起一個概率型網路計劃型,在此基礎上闡述了工序工期與網路總工期的概率分佈的判定與合方法,通過極限定理同時輔助於計算機法,對網路計劃做出了一些統計分析,同時提出了概率型網路的關鍵路線的確定方法。
  12. Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %

    其次在試驗的基礎上,將試驗手段、有限元方法和理論分析結合起來,利用有限元程序ansys對其的兩片墻板進行非線性有限元分析,並對前後的承載性能,裂縫發展、鋼筋應變進行了比較和分析,結果表明有限元節點型分析的荷載-位移曲線和試驗測得據符合良好,選用合理的材料本構型,利用ansys可以較好的試驗過程;同時利用有限元型對比分析了普通剪力墻和空剪力墻,空剪力墻與普通剪力墻對比,其開裂荷載下降16 ,屈服荷載、極限荷載下降13 ,剛度下降13 22 ,開裂至屈服、屈服至極限荷載階段的剛度衰減規律與普通剪力墻基本一致,空剪力墻的後期剛度比較穩定。
  13. Numerical simulation of electron cyclotron current drive in negative central magnetic shear mode

    負剪切的電子迴旋波電流驅動
  14. The stress field, strain field and energy formula have been established as the base of 3d fem simulation of nc tube bending process. a 3d fem simulation program of nc tube bending is developed based on the ansys software platform, and some key techniques have been studied. used this program as a core, nctbs system which combines with cad / cae / capp / cam subsystems on the database is developed

    基於ansys軟體編制了控彎管三維有限元程序,對其的關鍵技術問題作了處理;以此程序為核,基於據庫技術自主設計開發了控彎管系統( nctbs ) ,集成了控彎管cad / capp / cae / cam子系統,通過考核驗證了系統的可靠性,實現了廣義的計算機輔助控彎管工藝設計和質量保證系統。
  15. The temperature field of the huge stream turbine rotor during free forging is numerically simulated with different process parameters. the purpose is to find out a set of optimum process parameters so that the temperature of the rotor center does not exceed the limit temperature of abnormal grain growth which is about 1100c

    對大型汽輪機轉子鍛造過程的成形火次進行了溫度場的和優化,得到了控制轉子鍛件部溫度不超過1100的工藝參,為實際生產解決混晶問題提供了參考據。
  16. Numerical simulation is a very important aspect for this research, in which the main task is to solve the system of radiation hydrodynamic equations, especially, we usually do this task using lagrangian coordinates, and in this case the numerical treatment of three - temperature energy equations is a main difficulty

    是這項研究的非常重要的手段,其核內容是求解輻射流體力學方程組,而其三溫能量方程的處理又是在lagrange坐標下求解輻射流體力學方程組的主要難點之一。
  17. Several classical methods of interface element, soil behaviors and structure characters are presented in this paper. the author made great effort on the modeling of the interface element and the underground structure element, while considering the soil obey the mohr - columnb yielding principle, modified the existing beam element for solid rectangle pile and applies this element into thin - wall hollow pile, proposes a kind of board element. some examples are presented in the paper to test these new concepts and corresponding formulas

    本文在總結已有的結構與土相互作用問題的接觸面單元形式、土的本構關系以及結構的方法的基礎上,對滿足摩爾庫侖屈服條件的土體材料用常規的薄層單元進行了更加深入的驗證,在已有實矩形截面樁與土相互作用描述式的基礎上推導了薄壁筒樁用梁時與土相互作用分析式,和考慮與土相互作用時用板單元地下連續墻的分析方法。
  18. With the development of morden aero - propulsion system, the simulation technology has became one of the most important means in aeroengine design. aeroengine nonlinear mathematical models, as the basis of engine performance simulation, are not convergence favorably in entire flight scope, because of the solution limitations of nonlinear equation and the engine balance equations

    作為的基礎與核,目前廣泛應用的發動機非線性型,由於平衡方程各種迭代解法與非線性方程解法的不足,因而從根本上沒有解決型在整個包線范圍內的收斂問題,極大地制約了發動機技術的發展。
  19. Comparisons of experimental and computational shock mach number are made for four different condition. the results of numerical simulation agree with that of experiment, show good agreement between numerical simulation results and test results

    結合氣動進行的激波風洞試驗,對四組不同試驗情況進行了,給出了測量困難的溫度得到的結果與試驗具有較好的一致性。
  20. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程,利用有限體積法進行空間離散,得到對時間變量的常微分方程組,採用龍格庫塔多步法進行時間積分,加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行
分享友人