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水动力弥散方程
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  hydrodynamic dispersion equation
     Three methods of determing the exchang rate between solid and liquid phases in the groundwater hydrodynamic dispersion equation
     地下水水动力弥散方程中处理固相与液相间转化量的三种方法
短句来源
     Spline 4 method in cubic spline functions method is used for solving water hydrodynamic dispersion equation of undergroundwater pollution, and it is compared with that of analytic solutions in one dimensional question. The result indicates that spline 4 method is an effective good method for restraint mathematical dispersion in its simulation of undergroundwater pollution.
     采用三次样条函数方法中的样条4方法,对地下水污染中的水动力弥散方程进行求解,并在一维问题中与解析解进行了比较,结果表明,样条4方法在地下水污染数值模拟中,对抑制数值弥散是一种有效的好方法。
短句来源
  “水动力弥散方程”译为未确定词的双语例句
     A Method of Multi-element Balance for Solving Hydrodynamic Dispersion Equation
     求解水动力弥散方程的多单元均衡法
短句来源
     The numerical model is shown to be very effective. Dispersion coefficients are obtained from the experimental results.
     对于一维非饱和弥散实验,提出了一种求解水动力弥散方程的数值方法,并用试算法反求了实验土样的弥散参数。
短句来源
     It is shown that cubic spline method is effective for restraining numerical dispersion in numerical simulation of hydrodynamic dispersion equations with radioactive decay.
     结果表明,三次样条方法在带有放射性衰变的水动力弥散方程的数值计算中,对抑制数值耗散是一种有效的方法。
短句来源
     In this paper,we use Galerkin's method to investigate the existence ofinitial-boundary value problem of quasilinear integro-differential equationsof parabolic type on an unbounded region. As an application,we get an existe-nce theorem for nonlinear hydrodynamics diffusion equation with absorptiveterm.
     本文应用 Galerkin 方法讨论一类无界区域上拟线性抛物型积分-微分方程初边值问题解的存在性,作为应用,我们得出了带吸咐项的非线性水动力弥散方程解的存在性定理。
短句来源
     The classical one-domain model with convection-dispersion equation was used in thes study for describing a nonreactive solute transport in soil.
     采用一维对流-水动力弥散方程(CDE)研究了非反应性化学物质在土壤中的迁移行为。
短句来源
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  相似匹配句对
     A Method of Multi-element Balance for Solving Hydrodynamic Dispersion Equation
     求解水动力弥散方程的多单元均衡法
短句来源
     AN ANALYTICAL SOLUTION FOR A CONVECTION-DISPERSION EQUATION
     对流-弥散方程的解析解(英文)
短句来源
     The Determination of Dispersion Coefficient by Convective Dispersive Equation
     用对流扩散方程确定非饱和土壤水动力弥散系数
短句来源
     Single Point Method for Solving Hydrodynamic Equation
     单点法解水动力方程
短句来源
     STUDY OF DYNAMIC DIFFUSION COEFFICIENTS OF SOIL MOISTURE
     土壤水动力弥散系数研究
短句来源
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  hydrodynamic dispersion equation
A velocity dependent longitudinal dispersion coefficient is used in the solution of the hydrodynamic dispersion equation.
      
Unlike existing models, a new approach is adopted to couple the groundwater-flow equation and the hydrodynamic dispersion equation with the elimination of the intermediate step of calculating velocities.
      


Experiments on hydrodynamic dispersion in saturated and unsaturated soils were conducted. It is shown that there exists immobile water for the experimental soils. The immobile water fraction should be taken into account in the hydrodynamic dispersion equation. A numerical model has been proposed for the solution of one-dimensional unsaturated dispersion equation. The numerical model is shown to be very effective. Dispersion coefficients are obtained from the experimental results.

本文通过室内对中壤土及轻壤土饱和、非饱和水动力弥散实验,认为对实验土样不动水体是存在的,在描述弥散过程的数学模型中应考虑不动水体的作用。根据一维饱和弥散实验结果,由相应的解析解,用单纯形法反求了参数;对于一维非饱和弥散实验,提出了一种求解水动力弥散方程的数值方法,并用试算法反求了实验土样的弥散参数。

In this paper,cubic spline method combined with difference is usedfor solving water quality model of hydrodynamic dispersion,and the res-ults are compared with that of elements equilibrium and finite element.The facts indicate that cubic spline method is effective and developablefor restraint numerical dispersion in numerical simulation of groundwaterpollution.

本文采用了三次样条函数和有限差分相结合的方法对水动力弥散方程进行求解,并和多元均衡法及有限元方法的结果进行比较,事实表明三次样条方法在地下水污染数值模似中,对抑制数值弥散是一种更有效的、颇有发展前途的好方法.

Cubic spline method was used to solve numerical model for radio-nuclide transport from injection well into a single fracture in a porous formation, and the results were compared with those of finite difference scheme. It is shown that cubic spline method is effective for restraining numerical dispersion in numerical simulation of hydrodynamic dispersion equations with radioactive decay.

本文采用三次样条方法计算了放射性核素从注入井中向多孔岩层裂缝中传输的数值解,并与有限差分解、解析解作了比较。结果表明,三次样条方法在带有放射性衰变的水动力弥散方程的数值计算中,对抑制数值耗散是一种有效的方法。

 
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