隱式格式 的英文怎麼說
中文拼音 [yǐnshìgéshì]
隱式格式
英文
implicit scheme-
Alternating direction implicit scheme, adi scheme
交替方向隱格式In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。An implicit scheme is much more efficient.
隱式格式是一種很有效的格式。In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary
流場解算時,對流場數值通量的求解採用的是帶限制器的高階精度roe格式,時間推進採用了含雙時間步長的隱式lu - sgs ( lower - uppersymmetricgauss - seidel )格式,提高了求解的效率。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四點隱式差分格式計算,對于潰口及圩區採用有限體積法,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。Format row allows you to adjust row height, turn autofit on or off, and hide or unhide the row
設置行格式可調節行高,打開或關閉自動匹配,以及隱藏行或取消隱藏行。Format column lets you adjust column width, turn autofit on or off, hide or unhide the column, and set the standard width for all columns
設置列格式可調節列寬,打開或關閉自動匹配,隱藏列或取消隱藏列,以及將所有列設置為標準寬度。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,採用了中心差分格式和迎風格式,用格心格式的有限體積法進行了空間離散,用四步龍格?庫塔法作顯式時間推進,並採用了當地時間步長和隱式殘差光順等加速收斂措施。The implicit differencing scheme of nine points for solving the parabolic equations
解拋物型方程的九點隱格式A class of absolutely stable implicit difference schemes for solving four order parabolic equations
解四階拋物型方程的一族恆穩隱式格式A two layer implicit difference schemes of high accuracy for solving four order parabolic equations
四階拋物型方程一個兩層的高精度隱式格式A class of three - layer implicit difference schemes of high accuracy for solving four order parabolic equations
四階拋物型方程一族三層的高精度隱式格式Though adopting the - coordinate transformation in the control equations and mode - splitting technique, the external mode ( surface gravity waves ) is solved by the improved double - sweep - implicit finite difference method ; the internal mode ( internal gravity waves ) untilizes the eulerian - lagrangian method, which improves the implicit - difference scheme for the vertical direction. the newly developed 3d numerical tidal model with implicit scheme has been successfully applied in the radial sandbanks area
基於過程分裂法及垂向坐標伸縮變換,外模式採用改進型雙步全隱有限差分dsi法,內模式採用歐拉?拉格朗日公式,改進了三維垂向隱式格式,成功地建立了南黃海輻射狀沙脊群海域三維全隱格式潮流數學模型。In order to advance the sst turbulence equations at the same rate as the flow equations, a point - implicit scheme is used. the convection term in turbulence equations is discretized using first - order upwinding scheme to ensure more stability in time integration and the positivity of the turbulent variables
Sst湍流方程求解時,使用點隱式格式進行時間推進從而解除了由於源項存在所引起的時間步長的限制,保證湍流方程和流動方程同步推進時的穩定性。Based on former work, a finite difference viscous code that uses a high convergence, high accuracy, high resolution lu - sgs - ge implicit scheme and an improved fourth ( fifth ) - order high resolution muscl tvd scheme to integrate the full 3d navier - stokes equations and the low - reynolds number two - equation turbulence model is extended to simulate the flow field inside centrifugal impeller mechanism
並且在現有工作基礎之上,將基於有限差分方法的高收斂率、高精度、高解析度的lu - sgs - ge隱式格式和四(五)階muscltvd格式求解全三維navier - stokes方程和低雷諾數雙方程湍流模型的計算程序推廣到離心葉輪機械內部流場的數值求解。Three temperature equations include disconnected thermal conductivity coefficient and energy exchange terms between electron and ion, electron and photon, which are affected by the density an d temperature of the plasma, and by the atom parameter. implicit scheme have to be used to solve them. we use entirety linear iteration method to do this work
三溫方程含有間斷的熱傳導系數,存在著電子與光子、電子與離子的能量交換,這些量與離子的密度、溫度和原子物理參數有關,對它們的求解必須採用隱式格式,我們採用整體線性化迭代格式迭代求解。The aim of this thesis is to analyze the super - convergence and stability of continuous finite element methods which is a type of numerical me - thods solving the 1 - degree lineal initial value problem of ordinary differential equation, and compare the stability of the three 4 - order pre - cision numerical methods of the 1 - degree initial value problem of ordinary differential equation - classical runge - kutta method ( single step method ), adams hidden method ( multiple step method ), and continuous finite element method
本文針對一階線性常微分方程初值問題的連續有限元法的超收斂性和穩定性作了分析,並對一階線性常微分方程初值問題的具有4階精度的三類數值方法? ?經典runge - kutta法(單步法) , adams隱式格式(多步法) ,連續有限元法的穩定性作了比較。Global one - dimensional finite volume euler equations coupled with chemical reactions are implicitly solved to simulate the reacting flowfield of the combustor of scramjet fueled by hydrogen or hydrocarbon
本文採用隱式格式強耦合求解有限體積法離散的考慮化學反應的廣義一維euler方程,數值模擬氫或碳氫燃料超燃沖壓發動機燃燒室的化學反應流場。Asp. net handles much of the implicit formatting appropriate for rendering on a variety of device types
Asp . net使用適于在很多種設備類型上呈現的大量隱式格式。A high accuracy, high resolution numerical method ( lu - sgs - ge scheme and 4th order muscl tvd scheme ) is applied to calculate the unsteady flow field
在計算網格移動下的非定常流場時採用了高精度、高解析度的數值計算方法? ? lu - sgs - ge隱式格式和高階muscltvd格式。分享友人