implicit schemes 中文意思是什麼
implicit schemes
解釋
隱格式-
A two - layer implicit difference schemes for solving parabolic equation of higher oder
高階拋物型方程的兩層隱式差分格式 -
A family of implicit difference schemes for solving the parabolic equation of higher order
解高階拋物型方程的一族隱式差分格式 -
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 new high accuracy and absolutely stable implicit difference schemes for solving parabolic equations
拋物型方程的一個新的高精度恆穩定的隱式差分格式 -
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 -
A class of implicit difference schemes with hich accuracy and absolute stability for solving parabolic partial differential equation
拋物型方程的一族高精度恆穩定的隱式差分格式 -
In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的 -
Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的 -
In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable
在建立模型時，將原始的橢圓型緩坡方程的近似型式? ?依賴時間變化的拋物型方程，作為控制方程；從將開邊界條件、不同反射特性的固壁邊界條件相統一的表達式出發，對邊界條件進行處理；用adi法數值求解控制方程，格式無條件穩定；節省了計算機內存和計算量。 -
On stability and error estimaes for a class of weighted semi - implicit schemes of the incremental unknowns methods
一類加權半隱格式增量未知元方法的穩定性和誤差估計 -
In this study, the transonic shock - wave / boundary - layer interaction and viscous shear stress for the turbine and compressor stator were simulated used the implicit two - factor flux - splitting schemes for solving the thin - layer compressible flow
除驗證各式正確性外並模擬葉片外形對氣流分離、震波/邊界層相互干擾及壓縮比等關系，以及流體黏滯性等影響下，引擎能量損失與效益分析。 -
In rotating frame of reference, the construction method of three dimensional finite volume tvd schemes is systemically analyzed, in which implicit euler defiference is applied for time discretization
在旋轉坐標系下，發展了一種含旋轉源項的雷諾平均navier - stokes方程的三維有限體積tvd格式，時間離散採用隱式euler方法。 -
Iterative methods for implicit symplectic schemes of schr dinger equations of high order
桿振動方程隱式辛格式的迭代法
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