有限容積法 的英文怎麼說

中文拼音 [yǒuxiànróng]
有限容積法 英文
finite volume method
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 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...
  • 有限 : limited; restricted; finite; a little; not much
  1. Using vb6 programming software, the different marked volume of corresponding absolute altitude for the horizontal vessel which have arbitrary ellipse head and spherical vessel can be calculated more rapidly and accurately, and the method was not restricted by vessel specifications

    摘要介紹了利用vb6編程軟體,快速準確地計算出具任意橢圓形封頭的臥式器及球罐不同標高液位所對應體的方,該方不受器規格制。
  2. Then the finite element equations are derived with the effective heat capacity method. common time - stepping method and precise time integration ( pti ) method are used to solve the equation

    然後基於等效熱推導了伴相變過程的傳熱控制方程的元列式,並且分別研究了用常規的時間差分和精細求解上述元方程。
  3. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方,用垂向上砂體密度的界來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元,以儲能系數、系數以及凈毛厚度比三個參數為依據,通過聚類分析方進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層利流動單元區塊。
  4. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內包括:一、總結分析了當前水下導航的常用方和不足之處,指出基於航位推算的導航方,存在著最大的問題就是導航誤差的累問題,如果沒修正系統,這種方很難滿足使用要求;其次指出基於聲學的導航方,造價昂貴,導航范圍,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方,這是當前研究的重點;二是基於地形圖像的匹配方,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方待研究發展;三、將兩種地形高程匹配的常用方應用到自主水下航行器上:以相關演算為前提的地形輪廓匹配( tercom )方和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方,前者演算簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算較為復雜、可能發散和出現奇異值等問題。
  5. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    大學期間,我嚴格遵守學校規章制度,尊敬師長、團結同學,很強的集體榮譽感;學習認真刻苦,成績良好,我的專業學習涉及內相當廣泛,包括英語的所基礎課和國際商、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟學等;重視理論聯系實際,在學好專業課的基礎上,極參加各項社會實踐、實習活動, 2001年6月,我曾為世界b級自行車錦標賽(中國?秦皇島)擔當翻譯工作,在多所外語學校擔任英語教師,還多次為北方物流置業公司(國家、河北省重點建設項目)翻譯招商材料,而且2002年年底,在秦皇島正大責任公司行銷部實習;在學好專業課的同時,為了補充和擴展自己的知識面,我廣泛涉獵其他學科的知識,如計算機、網路、創業等,盡量使自身更快成長為一專多能型人才, 2002年4月開始參加燕山大學學生創業計劃大賽,並在2003年上半年參加了河北省大學生創業計劃大賽,獲得了一等獎的優異成績,並將報送參加國家大學生「世紀杯」創業計劃大賽, 2002年4月,參加燕山大學「綠色網路」網頁製作大賽,獲得了優秀獎。 。
  6. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方及重映演算,主要內可分為以下幾個方面:首先從分形式的二維lagrange流體力學方程組出發,用格式進行計算,考慮壓力梯度分佈對速度和能量改變的影響,構造了在兩個控制體上的動量方程的計算格式,使得速度的改變受其周圍八個壓力的影響,在一定程度上推遲了網格相交的進程。
  7. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方,結合物理光學( po ) 、物理繞射理論( ptd ) 、邊界分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界條件等求解方構成的混合方,對電磁散射和輻射問題進行了研究,主要包括以下內:提出了一種edge - basedfem與物理光學方和物理繞射理論相結合的混合方? fem po - ptd方,並將該混合方應用於帶腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  8. This thesis presents the high resolution numerical simulation methods for multi - fluid dynamics. the main contents include three parts : the first is a set of interface capturing equations deduced to describe the interface evolution, which is suitable for constructing two - order enhanced un - split finite volume scheme and three - order parabolic - piecewise - method ( ppm ) scheme in euler coordinate ; the second is the capabilities of level - set method for tracking multi - fluid interfaces are unproved ; the third is that the computational resolutions are much more advanced by improving adaptive mesh refinement ( amr ) technique

    主要研究目的是獲得多介質流體流動的高精度數值模擬方,主要內包括界面捕捉方程的推導,適用於euler坐標系的增強型二階精度非維數分裂計算格式和三階精度ppm格式構造,以及發展改進levelset方提高捕捉流體界面的能力,發展改進網格自適應技術提高各類方程解的計算精度。
  9. Then the theoretical computing methods are presented, in which we emphasize particularly on the plane wave method ( pwm ) and the finite element method ( fem ). with the two methods mentioned above, important parameters such as bandgap, dispersion, leaky loss and so on are calculated, as well as the birefringence of two kinds of mf, which are in two different mechanisms. a new type of optical coupler based on dual - core bandgap microstructure fiber is presented

    主要研究內如下: 1 、利用平面波展開方單元方研究了微結構光纖的傳導特性,對三角形、蜂窩形柵格空氣孔包層結構的光子能帶進行了研究,在此基礎上闡述了光子晶體光纖的傳導機制,對折射率引導和光子帶隙引導微結構光纖的波導色散、泄漏損耗和效模場面進行了研究。
  10. Based on the asymptotic properties for numerical integral formulas, this paper obtains a class of finite difference methods for solving initial value problems of odinary differential equations, and studies the consistency and stability of new methods

    摘要基於數值分公式中間點的漸近性質,獲得了一類求解常微分方程初值問題差分方,研究了新方的相性和穩定性。
  11. Fractal porous media can be simplified as a kind of binary mixture with different thermal conductivities. the calculated results show that heat transfer in fractal porous media is very complicated, the thermal coupling effect of matrix with pore structure is studied. when heat transfer in pore structure is neglected, the effective thermal conductivity for random sierpinski carpet is scaled up with the percent of matrix, which is described by the classic archie ' s law

    本文首先採用有限容積法分析了分形多孔介質中的熱傳導過程,多孔介質可以視為二元混合介質,計算中發現分形結構中的導熱規律非常復雜,基質與孔隙之間存在著很強的相互換熱,當不考慮孔隙氣體中的導熱時,本文所構造的隨機sierpinski地毯上導熱系數與基質率(基質百分含量)大多呈指數關系,這與archie定律的結果是-致的。
  12. This paper adopt the ~ model of standard turbulence, apply staggered grid and finite volume approach discrete equation analysis

    本文採用標準湍流K模型,應用交錯網格和有限容積法離散方程求解。
  13. The finite volume method is used to discrete the flow controling equations on staggered grid and the simple algorithm is adopted to solve the equations

    採用有限容積法在交錯網格上對流動控制方程離散,然後採用simple演算求解。
  14. Then the mathematical problem of nonlinear heat diffusion with temperature dependent thermal conductivity has been derived during laser irradiation of two - layer structures. to solve this problem, a kirchhoff transformation and further time variable transformation has been used

    於是,文中還用有限容積法將溫度場定解問題離散化,選擇合適的空間網格和時間網格,通過matlab編程實現對四維溫度場的數值模擬。
  15. In this paper, we developed three novel immunosensors and a mediator - free enzyme sensor, based on efficient immobilization of biomolecule and signal - amplified methods to improve detection sensitivity and decrease the detection limit. the detailed materials are shown as follows : ( 1 ) an amplified immunosensor with highly sensitivity has been proposed based on precipitation of an insoluble product on functionalized electrode ( in chapter 2 ). anti - higg was immobilized onto the surface of gold electrode modified with 1, 6 - hexanedithiol and colloidal au interface

    本文結合效的生物活性組分的固定方,採用信號放大技術提高分析信號、降低檢測下,發展了三種新型的免疫生物傳感器以及一種無電子媒介體的酶生物傳感器,主要內如下: ( 1 )提出了一種新型的基於酶催化沉質量放大的高靈敏壓電免疫傳感器(第2章) 。
  16. The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once

    主要研究內如下:從herrmann變分原理出發,基於適用於近似不可壓縮材料的粘彈性本構關系,利用增量處理遺傳分,發展了一種粘彈性增量元方,所需存儲空間較少,參數矩陣形式簡單,求解過程只需要形成一次剛度矩陣,適用於藥柱的結構計算,奠定了確定性分析基礎。
  17. A fluid - thermal - structure coupled analysis technique needs to be developed for advanced engine design. presently, fluid flow and heat transfer is mainly analyzed using finite volume method ( fvm ) and structural deformation is often solved by finite element method ( fem )

    由於歷史原因,目前在流體流動和傳熱分析中廣泛採用的是控制,而在彈性變形的分析上採用的是,並分別發展了相應的工程應用軟體。
  18. In the article, physical and mathematical models for the fluid flow and heat transfer inside a horizontal low - temperature have been established. and using the method of simple and integer evaluation and fvm has simulated the steady temperature and velocity distribution of a horizontal low - temperature refrigerator that the author has designed

    本文還建立了臥式低溫冰箱內空氣流動與換熱的物理和數學模型,並採用simple演算、整體求解有限容積法對作者所設計的一臺臥式低溫箱箱內自然對流穩態溫度場的分佈進行計算機模擬研究。
  19. A numerical method, based on single temperature sensor, constant heat flux assumed and arbitrary number future time steps, was employed to determine the heat flux during rapid cooling on high temperature surface with multiply immersed impinging water jets the finite volume discretization method and treatment of boundary condition were presented

    摘要基於單點測溫、常熱流假設,任意未來時間步長的導熱反問題演算求解浸沒水射流冷卻過程的熱流密度;採用有限容積法離散方程,附加源項處理邊界條件。
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