All users

• Element aspect ratio considerations
• Element quality
• Ill-conditioned matrices
• Shape function interpolation
• Rules for connecting elements
• Nonlinear dialog details
• Nonlinear loading procedures
• Element mechanisms
• Finite element equilibrium
• Natural coordinate systems
• Negative pivots
• Diagonal decay
• Point/ patch loads (discrete loads)
• FE references

Advanced users

• Evaluating the element mass matrix
• Equivalent force distribution
• Numerical integration
• Explicit integration
• Isoparametric finite element formulation
• Jacobian matrix (isoparametric)
• Negative pivots in an Eigenvalue analysis
• Nonlinear: the current stiffness parameter
• Nonlinear ElastoPlastic Materials
• Slidelines: the initial penetration check
• Nonlinear iterative procedures
• Nonlinear load incrementation
• Nonlinear loadcase vs. load incrementation
• Interpretation of the Nonlinear Runtime Variables (log file)
• Modified Newton Raphson method
• The Residual Convergence Criterion
• Verification details
• Zero Pivots
• Orthotropic material restrictions
• Orthotropic materials - Model 16

Bridge users

• Wood-Armer calculation (for plate elements)
• Wood-Armer calculation for grillages
• Wood Armer calculation for shell elements
• Clark-Nielsen (Wood Armer for in-plane forces)
• Clark-Nielsen concrete forces [Fc(T) and Fc(B)]
• Wood-Armer Assessment [Msafe(T) and Msafe(B)]
• Shear near supports on a grillage model