特徵線法 的英文怎麼說

中文拼音 [zhǐxiàn]
特徵線法 英文
characteristic line method
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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...
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線法求解,對后一部分根據模型形式採用龍格一庫塔或隱式積分等演算求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。
  2. ( 3 ) in terms of flowing characteristic of drilling fluids on the roller screen, the flowing equations at the axis direction and the tangent direction and the flowing through the screen, and the continuously flowing equation of drilling fluids are built. the characteristic - difference equations of flowing model for drilling fluids are given and the theoretical analysis is made

    ( 3 )根據鉆井液在筒式篩網上的流動點,建立了筒式篩網上鉆井液沿軸方向流動、周向流動和透篩流動的流動方程,以及鉆井液的連續流動方程,利用特徵線法寫出了筒式網上鉆井液流動模型的差分方程,並作了理論分析。
  3. The article calculates the transient of the pump system with three initial rates of flow and three kinds of pipe length by use of the characteristic method, and obtains the system ' s transient characteristics

    特徵線法對三種初始流量、三種管長關閥實驗時泵系統瞬變計算,得到系統的瞬變工況性。
  4. In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting

    本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。
  5. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系的計算中將排氣管簡化為一組一維非等熵變截面管,並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程,再用差分數值方依靠計算機求解。
  6. Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system

    對應于正確的水擊數學模型( 3 )的差分方程形式如下c ,弓+吼川一c ,唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分,通過對新老數學模型的數值計算比較,進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型( 3 )進行了計算分析,研究了各種因素對水擊壓強值和水擊現象衰減的影響,指出在長管道系統中,沿程水頭損失的分區計算對水擊壓強的計算結果影響較大,建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。
  7. The difference formulation and boundary condition have been gained by the method of characteristics and the hydraulic transient basic formulation

    從壓力管道水力瞬變基本方程出發,利用特徵線法求解了壓力管道水力瞬變的差分方程及邊界條件。
  8. Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed

    應用特徵線法,對鋼管及pvc管道中水擊進行計算,分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。
  9. Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments

    應用該模型對正交各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土圓板的破壞問題進行了研究,通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比,證明了該模型的精確性和可靠性。
  10. Using basic equations in continuum mechanics, the wave - motion equation in the geometrical nonlinear elastic rod is derived, and then the characteristic curves and their characteristic relations are deduced by the characteristic line method, and the alterations of the wave profiles are analyzed during propagation

    利用基本方程導出了彈性細桿的幾何非性波動方程,用特徵線法求得它的上的相容關系,分析了波形在傳播過程中的變化規律。
  11. Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed

    再利用彈性力學中的變分原理,導出了同時計及粘性和橫向慣性效應時的彈性細桿的幾何非性波的波動方程,用特徵線法得到它的上的相容關系,分析了粘性耗散和幾何彌散效應對波的傳播速度的影響。
  12. The important meaning of controlling incident wave form for the experiment is take into account, eigen - line method was used to calculate the transmit of the stress wave among the variable cross - section bar. using the elastic wave inversion deductive method the mathematical model was founded, which can be used to calculate the shape of the dam from the incident wave form

    考慮控制入射波形對動態試驗的重要意義,本文利用特徵線法對應力波在變截面桿中的傳播進行了數值求解;在此基礎上應用彈性波反演的思想建立了根據入射波形求解彈丸形狀的數學模型,並用試驗對求解結果進行了驗證。
  13. On the base of those, use characteristic method to build the hydraulic impulse testing machine ' s model

    在此基礎之上,利用特徵線法建立液壓脈沖試驗臺的數學模型。
  14. The simulating and calculating result shows that using characteristic method to build the model of hydraulic impulse testing machine, we can precisely find out the reason that affect the impulse press

    模擬計算的結果表明:利用特徵線法建立液壓脈沖試驗臺模型,可以比較精確的分析出脈沖壓力的影響因素。
  15. The other primary part is that based on the correct water hammer mathematic model ( 3 ), applying character line method, to translate the differential equation group ( 3 ) into character equation group, to count the character equation integral along with character line and at the same time to substitute the integral form for the difference form so as to make use of computer to carry through numerical value calculation of the water hammer pressure

    本論文的另一個主要內容是,在正確的水擊數學模型( 3 )的基礎上,應用特徵線法的原理,將微分方程組( 3 )轉化成方程組,沿方程進行積分,並以其差分方程形式代替積分形式,以便利用計算機進行水擊過程的數值計算。論文對各種邊界條件也做了相應的推導。
  16. Then expatiate the application of the characteristic method in solving hydraulic system instantaneous problem

    然後闡述特徵線法在解決液壓系統瞬態問題的應用。
  17. This paper also calculates the unsteady flow of the hydropower station ' s model by using of the characteristics method, the calculated result is extremely close to the experimental result

    本文還採用非恆定計算的特徵線法,對該水電站引水系統模型非恆定流進行了計算,其計算結果與模型試驗結果吻合。
  18. It was believed that there were still disputable points deserving of further elaboration in the verification that had been so far made

    文中證明,特徵線法的應力關系式與本文的屈服條件、屈服函數的極值條件是相同的。
  19. Method of characteristics

    特徵線法
  20. The method of characteristics is utilized to reliably handle the model and the computer program is developed by considering of variable wave speed along pipeline

    在考慮變波速的情況下,採用特徵線法進行求解,並編制了計算機程序。
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