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This user manual describes the user interfaces for: 1) a number of NDMaterial models developed for simulating nonlinear, drained/undrained soil response under general 3D cyclic loading conditions, and 2) a number of 2D and 3D solid-fluid fully coupled elements for simulating pore water pressure dissipation/redistribution. Please visit http://cyclic.ucsd.edu/opensees for examples.
Notes:
1. To avoid numerical difficulties encountered when using the soil models, the following units are recommended:
SI units - use kilonewtons (kN), meters (m), tons (unit for mass), seconds
English units - use pounds force (lbf), inches (in), seconds
2. The default values are in SI units.
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