Page 402 - Computational Fluid Dynamics for Engineers

396 Subject Index

- stability 165-170 von Neumann analysis 165-168, 175
Unstable 153, 156, 166, 168, 175, 244 Vortex 181-182, 190
Upwind method 152-157, 163-164, 301, Vorticity 60, 66, 86, 87, 191-193, 196, 201
305, 308, 309, 332-335
Upwind direction 153 Wave number 66, 136-137, 139, 166
Upwind propagation 153 Wavelength 66
Wave equation 68, 169-170, 171, 299-300,
Velocity-defect law 90 330
Viscosity coefficient 59, 81-89, 172, 211, Weak solutions 297
229, 320, 365 Weak instability 311
Viscous equations 214 Weighted Jacobi iteration method
Viscous flow 212, 267 137-139
Viscous flux 54, 334, 342, 356 Well-posed problem 147
Viscous region 70, 297, 355
Viscous stresses 43-45, 47, 49, 51, 56, 57, Zero-equation models 83-86
328, 331 - mixing length 81, 83
Variational equations 250-251, 258