Products

Features

New and Improved in 2D 2011:

• Improved steps determination for transient flow calculations.
• Transient water head is applied automatically in closed boundaries. 

Modelling:

• Time dependent boundary conditions (linear, harmonic and user defined)
• Various boundary conditions for flow (seepage, head, prescribed boundary flux, infiltration/precipitation, drains and wells)
• Various Soil Water Characteristic Curves (SWCC) (Mualem-Van Genuchten, approximate Van Genuchten and user defined)
• Various predefined data sets for  SWCC based on different soil classification systems (standard, Hypres, USDA and Staring)
• Bishop stress and suction as state variables for unsaturated soil models
• Well-known Barcelona Basic Model
• User defined soils model for unsaturated soils

Calculations:

• Automatic time stepping for fully coupled flow-deformation and groundwater flow analyses
• Possibility to simulate mechanical behaviour of partially saturated soils in all existing types of calculations (plastic, Phi/C reduction, dynamics and consolidation analyses)
• Three different modes of calculations; Classical: similar to previous versions of PLAXIS, Advanced: Unsaturated soils, Flow: groundwater flow analyse

Results:

• Flow results in addition to displacements and stresses e.g.:
• Darcy’s velocities
• Suction
• Degree of saturation
• Relative permeability
• Groundwater head

Applications:

• Simulations of unsaturated soil behaviour
• Earth and rockfill dams (time dependent problems)
• Staged construction in time
• Analysis of rapid drawdown situations
• Slope stability analysis (landslides, effect of environment (rain, flooding etc.) on slope stability)
• Soils with collapse risks (compacted soils)
• Drainage systems