隱式差分法 的英文怎麼說

中文拼音 [yǐnshìchāfēn]
隱式差分法 英文
implicit difference method
  • : Ⅰ動詞(隱瞞; 隱藏) hide; conceal Ⅱ形容詞1 (隱藏不露) hidden from view; concealed 2 (潛伏的; ...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 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...
  1. Parallel algorithms of accelerative iteration for solving implicit difference equations

    求解方程的加速迭代并行演算
  2. Parallel iterative algorithm for solving the cubical equation

    求解雙曲型方程的方程的并行迭代
  3. In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder

    本文將河道與堤壩下游區域視為一個整體,對于單一河道採用preissmann四點計算,對于潰口及圩區採用有限體積,建立了一維河道與堤壩漸潰耦聯的水力模型,也是一維、二維耦合的水流模型。
  4. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上,採用了中心和迎風格,用格心格的有限體積進行了空間離散,用四步龍格?庫塔作顯時間推進,並採用了當地時間步長和光順等加速收斂措施。
  5. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心的顯析瞬態軋制過程;提取穩態單元集節點形成截面網格;利用析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊形網格劃並映射節點溫度數據;利用六面體單元構建有限元析模型,映射單元節點的溫度、積點的等效塑性應變,進行數值析。
  6. High - order implicit difference method for the diffusion equation

    求解擴散方程的一種高精度
  7. On the numerical methods for the discrete - velocity kinetic equations i. semi - implicit difference scheme

    離散速度動力學方程組的數值方研究半
  8. ( l ) the three - dimensional equations for tidal flow are derived from the navier - stokes equations based on some assumptions. the model is based on the vincenzo casulli method, and semi - implicit finite difference scheme has been used

    ( 1 )從navier - stokes方程上經過假設和簡化得到的三維潮流控制方程,以vincenzocasulli,採用半顯半,建立了一個三維潮流數值模型。
  9. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用有限求解三維非定常紊流n - s方程組,數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流,並在此基礎上研究了彈性機翼的氣動彈性問題。
  10. This part analyzed and compared many kinds of solvement of dam - break, then the adopted traditional one - direction b. saint. venant equation and conceal format to calculate the proceeding of dam - break flood, then according to calculation result analyzed influence of villages located beside fabiela river from dam - break flood

    這一部首先析比較了潰壩波的各種求解方,然後採用傳統的一維聖維南方程組和進行了潰壩洪水演進計算,然後根據計算結果析了各種潰壩情況下洪水對河道兩岸村屯的影響。
  11. 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的水力系統方程作為一部,將包括同步發電機、勵磁系統以及電網等部的電力系統微方程或方程作為另一鄭州大學工學碩士論文部,對前一部採用特徵線求解,對后一部根據模型形採用龍格一庫塔等演算求解,這兩部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。
  12. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平層介質接收函數的波形反演研究的基礎上,本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限:顯和交錯網格,首次將多重網格演算應用於彈性波方程的數值模擬問題,克服了交錯網格和顯穩定性,以及隱式差分法計算效率低的缺點,大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  13. The influences of the thermal deformation of resonator mirrors induced by absorption of laser energy on geometric structure parameters of unstable resonators and intensity distributions of the far field were theoretically analyzed using finite difference methods

    摘要利用交替方向有限析了高能激光器虛共焦非穩腔反射鏡的溫度場及熱變形的數值計算方
  14. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方將溫度的求解表示為只與空間坐標及澆築時間有關的函數,從而避免了用隱式差分法、有限元求解時需求解聯立方程的因而對測點選擇的依賴,也避免了顯求解穩定性受時間步長,測點間距大小限制的缺點,因而具有測點布置靈活的特點。
  15. Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation, numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established. adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it. by using the simulated value of modeling, the relation of water injection volume and maximum horizental distance of moisture frontal are concluded. according to the relation, interval of pits are derived. then, after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit, numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established, and its numerical solution is also acquired

    利用adi (交替方向隱式差分法)結合gauess ? seidel迭代對模型進行數值求解。利用模型的計算結果得出了單坑注水量與濕潤鋒最大水平推進距離之間的關系,並據此確定了坑距。在此基礎上,通過對多坑干擾入滲條件下土壤水入滲特性進行析,太原理工大學碩士研究生學位論文建立了蓄水多坑非均質土壤水運動數學模型,並對其進行數值求解。
  16. A new adi - fdtd analysis in electromagnetic scattering

    一種新時域交替演算在散射問題中的應用
  17. This thesis contributed to the comprehensive study of the finite - difference time - domain ( fdtd ) method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. the work includes mainly three parts : the study on the performance of pml absorbing boundary condition applied to pseudo low frequency electromagnetic problems ; the validation of the fdtd method with pml absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ; the development of an improved alternating direction implicit finite - difference time - domain method

    在綜合前人工作基礎上,本文對時域有限( fdtd )及其在開關電源輻射電磁場數值計算中的應用進行了系統的析和研究,其核心內容包括:偽低頻電磁場數值計算中pml吸收邊界條件性能的研究;基於基準問題?電偶極子天線三維輻射電磁場,驗證了本文構造的基於pml吸收邊界條件的三維fdtd及其計算軟體,並應用於高頻開關電源輻射電磁場的數值析;提出了一種改進的交替方向時域有限
  18. Abstract : this paper discusses the different differential methods of alternating direction implicit method with initial condition and boundary conditions in detail

    文摘:詳細地研究了各種情形的求解二維拋物型方程初邊值問題的交替方向隱式差分法
  19. In the course of calculation, implicit difference scheme and finite volume formulation are used to solve the temperature field, and an advanced model is adopted in the calculation of the ablation

    在計算中,採用了及控制容積等計算技術,並採用了先進的燒蝕模型。
  20. With this method, the feasibility of project can be decided preliminarily. 3. one - dimensional hydrodynamic model is built, in which implicit difference format ( preismann discretization scheme ) and " three steps method " of one - dimensional unsteady flow model is used, hydraulic calculation is done for water diversion and flow strengthen in tidal networks and the method is enhanced in which the precision is improved greatly

    建立一維水動力學模型,利用四點( preismann格)和一維河網非恆定流模型的三級解,對感潮河網的引水增流工程進行了水力計算並對計算方進行了改進,大大地提高了計算的精度。
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