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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,
附加模块
UNSATCHem模块主要是用来模拟运移和主要离子的反应。UNSATCHEM模块模拟变饱和多孔介质中主要离子的运移(如钙、镁、钠、钾、SO4、碳酸气和Cl),包括主要离子平衡和非平衡化学反应动力学。生成的代码可用于预测土壤在瞬变流动中的主要离子化学、水和溶质通量。
Wetlands模块是用来模拟人工湿地反应的。人工湿地水处理系统的设计能优化自然环境中发现的处理过程。HYDRUS湿地模块包括两个biokinetic模型公式。而在原始湿地CW2D模块中,考虑到了**物、氮和磷需氧和缺氧的转换和降解过程,以及对新的CWM1模块中需氧、缺氧和厌氧过程的**物,氮和硫的考虑。
According to the Web of Knowledge (ISI), the “Highly Cited” or “Hot” manuscripts are manuscripts that has received enough citations to place them in the top of either 1% or 0.1% of papers in their field, respectively.
The HYDRUS software is used by thousands of users around the world (over ten thousand of downloads in 2017 alone, and many more before and since then), including leading research institutions, regulatory agencies, and consulting companies.
The HYDRUS software has been linked to other widely used programs in their respective fields of applications (e.g., MODFLOW, PHREEQC, Wetland Module, DSSAT, and Rosetta).
No other software for subsurface hydrology can match any of these accomplishments.
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