Bentley Systems Incorporated

- 2D/3D Finite Element Groundwater Software



SVFLUX is finite element software that allows modeling of groundwater seepage in unsaturated or saturated soils and rock. Offered as a comprehensive 1D, 2D, and 3D program for calculating steady-state and transient-state flow as well as evaporation from the ground surface. This feature is a leading option for geotechnical and hydrogeological analysis. This application is used for solutions involving calculation of pore-water pressures for slope stability, tailings dams, earth dams, reservoirs, unsaturated cover systems, and groundwater flow in embankments.

Analyze saturated or unsaturated soils
Stable analysis of saturated or unsaturated soils. The new solver implements staged construction and excavation of modeling scenarios. Multiple formulation variations of unsaturated flow.

Calculate groundwater seepage
1D/2D/3D saturated/unsaturated finite element groundwater seepage calculation

Creation of geometry
Creation of geometrically complex digital twin 3D models with the SVDESIGNER™ conceptual model builder. Creation of 3D models from triangulated surfaces (TINS). Multiple 3D model-building methodologies (Extrusions, 2D cross-section stitching, 3D layer cake, or material volume method).

Easy-to-use interface
Easy-to-use and simplified CAD-based user interface:

  • A clearly organized menu system with left to right arrangement of primary functions.
  • Allows rapid creation of models.
  • The new 3D CAD graphics engine provides measurably faster overall operation.

Generate pore-water pressures for export to slope stability models
Generate pore-water pressures for export to slope stability models. Calculate volume flow-rates through earth structures. Couple with SVSOLID to solve small and large-strain consolidation problems.

Model boundary conditions in steady-state or transient models
Head, flux, climatic, and cauchy boundary conditions are available in steady-state or transient models. Boundary condition data can be entered as tabled values. Advanced Fredlund-Wilson-Penman climatic boundary condition calculates the actual evaporation based on weather station data.

Quad/Triangular/Tetrahedral meshing support
Meshing: Quad/Triangular/Tetrahedral meshing support. Semi-automatic mesh generation and manual mesh refinement. The new 3D solution offers support for both surface meshes and grids. Surface mesh support allows models of higher complexity to be produced.

Unsaturated flow
This application has eight different soil-water characteristic curve (SWCC) fitting methods, eight methods of estimating the SWCC (with SVSOILS), four methods of estimating ksat (15 with SVSOILS), and seven methods of estimating unsaturated hydraulic conductivity.

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