Searched refs:xi (Results 1 – 2 of 2) sorted by relevance
2504 CeedScalar P0, P1, P2, dP2, xi, wi, PI = 4.0 * atan(1.0); in CeedGaussQuadrature() local2509 xi = cos(PI * (CeedScalar)(2 * i + 1) / ((CeedScalar)(2 * Q))); in CeedGaussQuadrature()2512 P1 = xi; in CeedGaussQuadrature()2515 P2 = (((CeedScalar)(2 * j - 1)) * xi * P1 - ((CeedScalar)(j - 1)) * P0) / ((CeedScalar)(j)); in CeedGaussQuadrature()2520 dP2 = (xi * P2 - P0) * (CeedScalar)Q / (xi * xi - 1.0); in CeedGaussQuadrature()2521 xi = xi - P2 / dP2; in CeedGaussQuadrature()2525 P1 = xi; in CeedGaussQuadrature()2527 P2 = (((CeedScalar)(2 * j - 1)) * xi * P1 - ((CeedScalar)(j - 1)) * P0) / ((CeedScalar)(j)); in CeedGaussQuadrature()2531 dP2 = (xi * P2 - P0) * (CeedScalar)Q / (xi * xi - 1.0); in CeedGaussQuadrature()2532 xi = xi - P2 / dP2; in CeedGaussQuadrature()[all …]
242 \tau = \frac{\xi(\mathrm{Pe})}{\lVert \bm u_{\bm X} \rVert},245 where $\xi(\mathrm{Pe}) = \coth \mathrm{Pe} - 1/\mathrm{Pe}$ approaches 1 at large local Péclet num…294 \tau_{ii} = c_{\tau} \frac{2 \xi(\mathrm{Pe})}{(\lambda_{\max \text{abs}})_i \lVert \nabla_{x_i} \b…