Element Library NONLINEAR 3-D TETRAHEDRAL ELEMENT    The nonlinear 3-D tetrahedral element supports three translational degrees of freedom per node. Topology 4 nodes 10 nodes Loading Forces Temperatures Voltages Pressures Hydrostatic pressures Tractions Gravitational forces Acceleration forces Centrifugal forces Prescribed displacements Initial velocities Initial rotations Formulations Incompatible displacement modes (increased accuracy) Optional midside nodes (for models that experience bending) Optional material damping Material nonlinear only Total Lagrangian Updated Lagrangian
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