Element Library
NONLINEAR 3-D HYDRODYNAMIC ELEMENT
    
    
The nonlinear 3-D hydrodynamic element is used in simulations involving fluid-solid interaction where the details of the flow are not important. This element supports three translational degrees of freedom per node.
- Topology
- 4 nodes
- 5 nodes
- 6 nodes
- 7 nodes
- 8 nodes
- 10 nodes
- 13 nodes
- 15 nodes
- 18 nodes
- 20 nodes
- Additional node at center for higher-order elements
- Loading
- Forces
- Pressures
- Tractions
- Gravitational forces
- Acceleration forces
- Centrifugal forces
- Prescribed displacements
- Initial velocities
- Initial rotations
- Formulations
- Optional midside nodes (when structure interacting with liquid experiences large-scale distortions)
- Material nonlinear only
- Total Lagrangian
- Updated Lagrangian
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