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Main Functions

MAJOR CAPABILITIES OF GETFLOWS

Physical Phenomena

  • Surface water flow
  • Saturated/unsaturated groundwater flow
  • Reactive solute transport of multiple chemical species by advection, diffusion and dispersion
  • 2-phase fluids flow (air, water)
  • 3-phase fluids flow (air, water, NAPL)
  • Heat transport with the interaction between fluids phase and solid phase)
  • Transport of volatile compound in gas phase
  • Equilibrium and non-equilibrium mass transfer between phases (gas dissolution to water, adsorption, volatilization, heat exchange, etc)
  • Decay chains of radionuclide, chemical reaction(nitrification/de-nitrification, etc)
  • Sediment transport (suspended load, bed load) and flow bed change

Spatial Discretization

  • Topography
  • Distributed land surface condition (precipitation, evapotranspiration, vegetation and land use, etc)
  • Geology (isotropic/anisotropic porous media, faults/fractures, etc)
  • Man-made structure (surface and semi-underground structures such as dam, reservoir, landform change (landfill), and tunnel, etc.)

Boundary Condition

  • No-flow
  • Constant pressure
  • Tidal fluctuation
  • Atmospheric pressure change
  • Sea level change
  • Precipitation
  • Well operation (Flow rate control/ Bottom hole pressure control)
  • Other Dirichlet/Neumann Conditions

Output Data

  • Pressure
  • Saturation
  • Concentration
  • Temperature (fluids and solid phase)
  • River flow rate
  • Water flux
  • Heat flux
  • Water level (elevation)
  • Surface water depth
  • Hydraulic potential
  • Volume/Mass of fluid phases flow velocity
  • 3D streamline (flow path and travel time)

Comparison of major capabilities with other simulators

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