Table 9 The limit load factor λ cr / m p for a clamped circular plate subjected to a parabolic load
From: Upper bound limit analysis of plates using a rotation-free isogeometric approach
a 3 | Tresca(UB) | Square(UB) | Quadratic | Cubic |
|---|---|---|---|---|
−3 | 4.172 | 4.469 | 4.358 | 4.244 |
−2 | 3.821 | 4.074 | 4.019 | 3.904 |
−1 | 3.524 | 3.744 | 3.728 | 3.644 |
1 | 3.037 | 3.222 | 3.254 | 3.144 |
2 | 2.854 | 3.002 | 3.059 | 2.952 |
3 | 2.684 | 2.827 | 2.886 | 2.781 |