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适用平台windows
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后处理
输出图形包括水含量、流速、浓度、温度在空间或横断面视图的2D等高线（等值线或彩色光谱）。图形输出还包括速度矢量图、彩色边缘、颜色的点、连续的时间步的图形显示和动画以及选定的边界或内部截面线图。用户可以将感兴趣的区域缩放，横截面视图的垂直刻度也可以放大。网格还可以展示边界和编号的三角形、边缘和点。观察点可以添加到网格的任何地方。网格和/或空间分布结果(压力头、水含量、速度、浓度和温度)的视图都使用高分辨率彩色或灰阶值。界面还包括一个内容丰富的在线帮助菜单。
域和有限元网格区域
为了简化复杂的运移几何图形的工作，这些图形可以划分为简单的部分称为Section. 只有这些简单的部分可以在视图窗口中显示,而剩下的部分被隐藏。一共有两种类型的Section:基于几何对象的和基于有限元网格的。可以同时显示多个section。使用各种命令可以切断和隐藏不需要的运移区域部分。
The HYDRUS program is a finite element model for simulating the two- and three-dimensional movement of water, heat, and multiple solutes in variably saturated media. The HYDRUS program numerically solves the Richards equation for saturated-unsaturated water flow and convection-dispersion type equations for heat and solute transport. The flow equation incorporates a sink term to account for water uptake by plant roots. The heat transport equation considers movement by conduction as well as convection with flowing water. The governing convection-dispersion solute transport equations are written in a very general form by including provisions for nonlinear nonequilibrium reactions between the solid and liquid phases, and linear equilibrium reaction between the liquid and gaseous phases. Hence, both adsorbed and volatile solutes, such as pesticides, can be considered. The solute transport equations also incorporate the effects of zero-order production,
The governing convection-dispersion solute transport equations are written in a very general form by including provisions for nonlinear nonequilibrium reactions between the solid and liquid phases, and linear equilibrium reaction between the liquid and gaseous phases.
Examples demonstrating the use of the standard add-on module DualPerm, simulating flow and transport in dual-permeability media. Download now
HP2 Examples demonstrating the use of the standard add-on module HP2 (coupled Hydrus (2D/3D) and PHREEQC [Parkhurst and Appelo, 1999]).
The Fumigant Module (in 1D; previously available in 2D and 3D) considers options required
to simulate the Fate and Transport of Fumigants (e.g., removal of tarp, temperature
dependent tarp properties, additional injection of fumigant).
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