Basis functions and model coefficients developed for estimating Qm
| Basic functions . | Coefficients . |
|---|---|
| BF1 = max(0, xr −0.25) * max(0, Dr −0.35) | −356.244 |
| BF2 = max(0, xr −0.25) * max(0, 0.35 −Dr) | 1,695.451 |
| BF3 = max(0, θ −3.81) | −1.257 |
| BF4 = max(0, 3.81 −θ) | −1.803 |
| BF5 = max(0, 0.35 −Dr) | 36.839 |
| BF6 = max(0, xr −0.25) * max(0, θ +3.81) | −3.968 |
| BF7 = max(0, xr −0.25) * max(0, −3.81 −θ) | −0.902 |
| BF8 = max(0, −3.81 −θ) | 3.520 |
| BF9 = max(0, θ +3.81) * max(0, 0.5 −xr) | 2.544 |
| BF10 = max(0, xr −0.25) * max(0, 0.4 −Dr) | −741.817 |
| BF11 = max(0, xr −0.25) * max(0, 2 −fr) | −5.626 |
| BF12 = BF5 * max(0, 0.5 −xr) | −67.410 |
| BF13 = max(0, xr −0.25) * max(0, 0.3 −Dr) | −861.265 |
| BF14 = max(0, xr −0.25) * max(0, Dr −0.25) | 429.220 |
| BF15 = BF4 * max(0, Dr −0.3) | −9.656 |
| BF16 = BF4 * max(0, 0.3 −Dr) | 11.211 |
| BF17 = BF5 * max(0, −3.81 −θ) | −15.543 |
| BF18 = BF3 * max(0, xr +0) | 4.091 |
| Basic functions . | Coefficients . |
|---|---|
| BF1 = max(0, xr −0.25) * max(0, Dr −0.35) | −356.244 |
| BF2 = max(0, xr −0.25) * max(0, 0.35 −Dr) | 1,695.451 |
| BF3 = max(0, θ −3.81) | −1.257 |
| BF4 = max(0, 3.81 −θ) | −1.803 |
| BF5 = max(0, 0.35 −Dr) | 36.839 |
| BF6 = max(0, xr −0.25) * max(0, θ +3.81) | −3.968 |
| BF7 = max(0, xr −0.25) * max(0, −3.81 −θ) | −0.902 |
| BF8 = max(0, −3.81 −θ) | 3.520 |
| BF9 = max(0, θ +3.81) * max(0, 0.5 −xr) | 2.544 |
| BF10 = max(0, xr −0.25) * max(0, 0.4 −Dr) | −741.817 |
| BF11 = max(0, xr −0.25) * max(0, 2 −fr) | −5.626 |
| BF12 = BF5 * max(0, 0.5 −xr) | −67.410 |
| BF13 = max(0, xr −0.25) * max(0, 0.3 −Dr) | −861.265 |
| BF14 = max(0, xr −0.25) * max(0, Dr −0.25) | 429.220 |
| BF15 = BF4 * max(0, Dr −0.3) | −9.656 |
| BF16 = BF4 * max(0, 0.3 −Dr) | 11.211 |
| BF17 = BF5 * max(0, −3.81 −θ) | −15.543 |
| BF18 = BF3 * max(0, xr +0) | 4.091 |