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The frame "Soils" contains a table with the list of input soils. Basic information regarding the current soil is displayed in the right part of the frame. If there are more items (soils) selected in the table, the information about individual soils is ordered consecutively.

The soil input parameters depend on the selected material model, or material model in flow analysis.

The basic material parameters are the Young modulus of elasticity E and the Poisson's ratio (they are needed in all models). Most nonlinear models require defining the angle of internal friction and cohesion of the soil. The program allows for modeling either drained boundary conditions (analysis is carried out under steady state conditions after full dissipation of excess pore pressure) or undrained boundary conditions (the state at the onset of consolidation is represented so that the pore pressure distribution follows directly from the analysis assuming full saturation and no outflaw of water). In both cases the analysis adopts effective parameters of the angle of internal friction φef and cohesion cef.

The required list of material parameters to input also depends on the selected input mode. Assuming advanced input (can be selected in the frame "Settings") allows us to define additional (advanced) material parameters (e.g. the Biot parameter, Effective unit modulus of water etc.). In most practical applications these material parameters are not particularly important and mostly serve to academic purposes.

Individual material models can be combined in the analysis - each soil can be assigned its own material model.

Adding a soil is performed in the "Add new soils" dialog window.

The program makes it possible to import soils in the gINT format. Data of input soils can be copied within all GEO5 programs using "GeoClipboard".

Frame "Soils"