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Element DOFs and quadrature rules employed in numerical integration of residuals and tangents.
| Element DOFs | Quadrature rule | |
|---|---|---|
| Q1 | 8 DOFs | 2 × 2 × 2 = 8-point |
| Q1NC | 8 DOFs + 3 IMs | 2 × 2 × 2 = 8-point |
| Q2 | 27 DOFs | 3 × 3 × 3 = 27-point |
DOFs, degrees of freedom; NC, incompatible mode (internal variable).
