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Scientific Software Services :: Geology :: Risk Assessment :: HydroGeoSphere

HydroGeoSphere #392

HydroGeoSphere is a powerful numerical simulator for supporting water resource and engineering projects pertaining to hydrologic systems with surface and subsurface flow and mass transport components. It is an upgraded version of the FRAC3DVS discrete fracture model where surface water simulation capabilities have been added and where all features of FRAC3DVS are retained (click here to view details of FRAC3DVS).

HydroGeoSphere (HGS) has the capability of generating rectangular domains of 8-node block elements only, although one can read irregular meshes which have been generated by third party software (e.g. GMS) not provided. Also available is a 2-D triangular grid generator Grid Builder which can be used in conjunction with HGS to build 3-D irregular meshes.

HydroGeoSphere has the following attributes:

Fluid Flow

Complete hydrologic cycle modeling using detailed physics of surface and subsurface flow in one integrated code.

Surface domain represented as 2-D areal flow for the entire surface or as 2-D runoff into 1-D channels.

Subsurface domain consists of 3-D unsaturated and/or saturated flow.

Both domains naturally interact through physically-based fluid exchange terms.

Physically-based accounting of all components of the hydrologic cycle water budget.

Temporally and spatially varying evapotranspiration based on land use/land class and seasons.

Impact of snowmelt on hydrologic regime.

Accurate delineation and tracking of the water table position.

Handling of non-ponding or prescribed ponding recharge conditions and seepage faces.

Accommodation of storage, solute mixing and variable flow distribution along wellbores.

Representation of fractured geologic materials with arbitrary combinations of porous, discretely-fractured, dual-porosity and dual-permeability media for the subsurface.

Density-dependent flow and transport.

click to enlarge

Mass and Heat Transport

Simulation of non-reactive and reactive chemical species transport, and heat transport in the associated surface and subsurface flow fields.

Accurate handling of fluid and mass exchanges between fractures and matrix including matrix diffusion effects and solute advection in the matrix.

Chain-reactions of radionuclide components.

Calculation of water age and solute transit time probabilities.

Numerical Methods

Fully-implicit coupling approach for all domains provides for a robust mass conserved solution scheme.

Advanced computational algorithms that allow the code to perform unprecedented, fully-integrated, 3-D simulation/animation on a personal computer.

Adaptive time-stepping schemes with automatic generation and control of time steps.

Efficient ILU-preconditioned iterative sparse-matrix solver.

Efficient Newton-Raphson linearization option.

Fluid and solute mass balance tracking.

Unstructured finite-element grids.

Advanced meshing of irregular discrete fractures.

Axi-symmetric grid option.

8-node block or 6-node prism elements, 3- and 4-node plate elements for fractures and surface water, and 2-node line elements for wells and tile drains.

Finite difference option (7-point template).

Pre- and Post-processing

User-friendly pre-processor with GridBuilder and GMS compatibility for mesh generation and problem setup.

Import options for GIS formatted data.

Export options for Tecplot visualizations.

Applications and Research Investigations

HydroGeoSphere can perform event-based and continuous simulations on widely varying spatial and temporal scales. Examples of field applications include:

Integrated water resource assessment and watershed hydrologic analysis.

Land-use or climate-change impacts on both surface and subsurface water.

Contaminant fate in surface and subsurface water.

Fractured rock hydrogeology.

click to enlarge

HydroGeoSphere and Grid Builder :: Pricing

License Type

Commercial

Academic

HydroGeoSphere, Single User License	$ 3,000 Now $ 2,850	$ 2,000 Now $ 1,900
HydroGeoSphere and Grid Builder, Single User License	$ 4,000 Now $ 3,800	$ 2,750 Now $ 2,613

Details

Price: $1,900.00 (€ 1,710.00)

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