RS2 Features


A wide variety of eternal load types can be applied to an RS2 finite element model. Read about each of the different loading types below:

Distributed Load
A distributed load represents a surface load or pressure (force) / (unit area) when considering the out-of-plane dimension of the model. There are 3 different options for applying distributed loads: Uniform, Triangular and Ponded Water loading.

The Add Triangular Load option allows you to define a distributed load which varies linearly between two points along a boundary. The load can be triangular (zero at one end) or trapezoidal (different non-zero values at each end).

Loads can be applied at any orientation: normal to boundaries, vertical, horizontal or at any angle. The load magnitude can be increased or decreased at different stages by selecting the Stage Load checkbox and entering multiplication factors in the Stage Factors dialog.
Ponded Water
To define the distributed loading due to Ponded Water (e.g. impounded water against a slope or dam), a specialized option is provided, the Add Ponded Water Loadoption. This allows you to easily define hydrostatic loading due to Ponded Water by specifying total head boundary conditions on user-selected boundary segments.

Phase2 will automatically determine the distributed loading on each selected boundary segment, which is equivalent to the hydrostatic force of the ponded water. The unit weight of water entered in Project Settings is used to determine the final load magnitude. Ponded Water loads are always normal to the boundary.
Line Loads
Concentrated loads can be modeled with the Line Load option. A line load magnitude represents a force per unit length (e.g. kN/m) when considering the out-of-plane dimension of the model.
Seismic Load
The Seismic Load option allows you to define a pseudo-static seismic (earthquake) load, by entering Horizontal and/or Vertical seismic coefficients in the Seismic Loading dialog.
Springs can be added to any node of the finite element mesh using the Add Springs option. Springs can be used to model the effect of struts or similar support elements.

Spring properties are defined by entering values of stiffness in the X and Y directions. An initial spring force may also be included in the X and/or Y directions.
Liner Moment
The Liner Moment options in the Loading menu allow you to define moment boundary conditions for Liners.

The Add Liner Moment option allows you to apply an active (non-zero) moment load to a Liner.

The Add Liner Hinge option allows you to specify a zero bending moment condition for a Liner (i.e. the location of a "hinge" which allows the liner to freely rotate at that point).

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