Image of LandscapeSeveral commercial software packages for surface/subsurface fluid-flow simulation have been developed with the rapid growth of faster computers. At this moment many hydro-geological institutions use them for various applications though it is considerably a costly and time consuming task to carry out a 3D time transient analysis for multi-phase multi-component flow and transport problem. In most of the cases the practicability of those software packages are questionable.

At this end, GETFLOWS was developed to analyze large-scale, 3-dimensional water circulation and solute transport issues which were considered as difficult to simulate before. Various functions are incorporated with GETFLOWS for comprehensive simulation of groundwater, surface water, contaminant transport and heat transport phenomena. For an example, the time transient analysis can be executable in GETFLOWS using 100,000 to 1,000,000 order of discrete grid blocks for several thousand square kilometers of water circulation region (River basin management, surface runoff analysis, etc) and most importantly reliable predictions or evaluations are achievable. The characteristic feature of GETFLOWS simulation system is its ability to solve large-scale 3D advection/dispersion solute transport flow phenomena under the concept of multi-phase multi-components flow domain (e.g. Gas/Water, Water/Liquid, and Gas/Water/Liquid) fast and accurately. Successful coupling of surface and subsurface fluid-flow is not significant in the prevailing simulators. However, GETFLOWS performs coupled surface and subsurface fluid-flow successfully under the unified mathematical modeling and enables to capture target water circulation system realistically.

Three major application fields of GETFLOWS:

  1. Water resources issues (e.g. construction planning of dams, water storages / water shortage evaluations in catchment basins, climate change impact, etc)
  2. Water environment issues (e.g. soil / groundwater pollution by heavy metals and pesticide, disposal of radioactive waste, carbon capture and storage, etc)
  3. Water induced disasters (e.g. flood prediction, landslides, inundation by high tide water, etc)

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