 Element Library
Frame element
- Multiple non-prismatic segments of element length
- Point, uniform and trapezoidal loading in any direction
- Temperature and thermal gradient loading
- Automated end offset evaluation
- Moment and shear releases
- Joint offsets, cardinal point and mirroring of section
- No tension/no compression element
Shell element
- General quadrilateral or triangular element
- Orthotropic material properties
- Six degrees of freedom per joint
- Shell, plate or membrane action
- Thick shell option
- Gravity, uniform, pressure, wind pressure coefficient, temperature
and thermal gradient loading
Plane element
- Quadrilateral or triangular plane stress or plane strain element
- Orthotropic material properties
- Gravity, thermal, surface pressure and pressure gradient loading
- Asolid element
- Quadrilateral or triangular axisymmetric element
- Orthotropic material properties
- Gravity, thermal, surface pressure and pressure gradient loading
Solid element
- Three dimensional 8 node brick element
- Anisotropic material properties
- Gravity, thermal surface pressure and pressure gradient loading
Spring element
- Joint to ground (support) spring
- Global and skewed springs
- Coupled 6x6 user-defined spring stiffness option (for foundation modeling)
Link element
- Link may be placed between any two joints or from joint to ground (support)
- Multilinear elastic
- Viscous damper with nonlinear exponent on velocity term
- Gap (compression only) and Hook (tension only)
- Uniaxial plasticity (all six degrees of freedom)
- Base isolator with biaxial plasticity behavior
- Base isolator with friction and/or pendulum behavior
- Frame plastic hinge element for use with static and dynamic nonlinear
analysis
- Axial, flexural, shear and torsional hinge
- Axial load-biaxial moment interaction
- Multilinear behavior including softening
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