Preface |
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xi | |
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Introduction and General Results |
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1 | (14) |
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1 | (1) |
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Nonlinear Disturbance Equations |
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2 | (1) |
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Definition of Stability and Critical Reynolds Numbers |
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3 | (4) |
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3 | (2) |
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Critical Reynolds Numbers |
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5 | (1) |
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Spatial Evolution of Disturbances |
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6 | (1) |
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The Reynolds-Orr Equation |
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7 | (8) |
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Derivation of the Reynolds-Orr Equation |
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7 | (2) |
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The Need for Linear Growth Mechanisms |
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9 | (6) |
I Temporal Stability of Parallel Shear Flows |
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15 | (40) |
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Inviscid Linear Stability Equations |
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15 | (2) |
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17 | (21) |
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17 | (16) |
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Dispersive Effects and Wave Packets |
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33 | (5) |
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38 | (17) |
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The Inviscid Initial Value Problem |
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38 | (4) |
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Laplace Transform Solution |
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42 | (4) |
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Solutions to the Normal Vorticity Equation |
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46 | (2) |
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48 | (2) |
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50 | (5) |
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Eigensolutions to the Viscous Problem |
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55 | (44) |
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Viscous Linear Stability Equations |
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55 | (9) |
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The Velocity-Vorticity Formulation |
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55 | (1) |
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The Orr-Sommerfeld and Squire Equations |
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56 | (2) |
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Squire's Transformation and Squire's Theorem |
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58 | (1) |
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59 | (2) |
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61 | (3) |
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Spectra and Eigenfunctions |
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64 | (21) |
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64 | (7) |
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71 | (3) |
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74 | (4) |
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78 | (7) |
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Further Results on Spectra and Eigenfunctions |
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85 | (14) |
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Adjoint Problem and Bi-Orthogonality Condition |
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85 | (4) |
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Sensitivity of Eigenvalues |
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89 | (4) |
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93 | (1) |
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94 | (2) |
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Dispersive Effects and Wave Packets |
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96 | (3) |
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The Viscous Initial Value Problem |
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99 | (54) |
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The Viscous Initial Value Problem |
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99 | (4) |
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99 | (3) |
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Derivation of the Disturbance Equations |
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102 | (1) |
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102 | (1) |
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The Forced Squire Equation and Transient Growth |
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103 | (3) |
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103 | (2) |
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Blasius Boundary Layer Flow |
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105 | (1) |
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The Complete Solution to the Initial Value Problem |
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106 | (5) |
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106 | (2) |
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108 | (3) |
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111 | (15) |
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111 | (1) |
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112 | (7) |
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119 | (1) |
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Reynolds Number Dependence of Optimal Growth |
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120 | (6) |
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Optimal Response and Optimal Growth Rate |
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126 | (13) |
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The Forced Problem and the Resolvent |
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126 | (5) |
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131 | (2) |
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Response to Stochastic Excitation |
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133 | (6) |
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139 | (5) |
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Bounds on Matrix Exponential |
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139 | (2) |
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141 | (3) |
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144 | (9) |
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Choice of Initial Disturbances |
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144 | (3) |
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147 | (2) |
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149 | (4) |
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153 | (44) |
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153 | (2) |
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153 | (1) |
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154 | (1) |
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Nonlinear Initial Value Problem |
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155 | (5) |
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The Velocity-Vorticity Equations |
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155 | (5) |
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Weakly Nonlinear Expansion |
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160 | (7) |
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160 | (4) |
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164 | (3) |
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167 | (10) |
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167 | (1) |
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Derivation of a Dynamical System |
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168 | (4) |
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172 | (5) |
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Solutions to the Nonlinear Initial Value Problem |
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177 | (11) |
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Formal Solutions to the Nonlinear Initial Value Problem |
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177 | (2) |
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Weakly Nonlinear Solutions and the Center Manifold |
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179 | (1) |
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Nonlinear Equilibrium States |
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180 | (5) |
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Numerical Solutions for Localized Disturbances |
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185 | (3) |
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188 | (9) |
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The Energy Stability Problem |
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188 | (3) |
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191 | (6) |
II Stability of Complex Flows and Transition |
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Temporal Stability of Complex Flows |
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197 | (56) |
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Effect of Pressure Gradient and Crossflow |
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198 | (9) |
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Falkner-Skan (FS) Boundary Layers |
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198 | (5) |
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Falkner-Skan-Cooke (FSC) Boundary layers |
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203 | (4) |
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Effect of Rotation and Curvature |
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207 | (9) |
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207 | (4) |
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211 | (2) |
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Combined Effect of Curvature and Rotation |
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213 | (3) |
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Effect of Surface Tension |
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216 | (7) |
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216 | (2) |
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Energy and the Choice of Norm |
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218 | (3) |
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221 | (2) |
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Stability of Unsteady Flow |
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223 | (14) |
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223 | (6) |
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Arbitrary Time Dependence |
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229 | (8) |
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Effect of Compressibility |
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237 | (16) |
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The Compressible Initial Value Problem |
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237 | (3) |
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Inviscid Instabilities and Rayleigh's Criterion |
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240 | (6) |
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246 | (3) |
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249 | (4) |
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Growth of Disturbances in Space |
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253 | (120) |
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Spatial Eigenvalue Analysis |
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253 | (17) |
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253 | (2) |
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255 | (9) |
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264 | (2) |
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266 | (4) |
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270 | (20) |
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The Concept of Absolute Instability |
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270 | (3) |
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273 | (5) |
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278 | (3) |
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Stability of a Two-Dimensional Wake |
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281 | (3) |
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Stability of Rotating Disk Flow |
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284 | (6) |
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Spatial Initial Value Problem |
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290 | (10) |
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Primitive Variable Formulation |
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290 | (1) |
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Solution of the Spatial Initial Value Problem |
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291 | (3) |
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The Vibrating Ribbon Problem |
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294 | (6) |
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300 | (44) |
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301 | (8) |
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Parabolic Equations for Steady Disturbances |
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309 | (9) |
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Parabolized Stability Equations (PSE) |
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318 | (11) |
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Spatial Optimal Disturbances |
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329 | (8) |
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337 | (7) |
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344 | (7) |
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Nonlinear Wave Interactions |
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344 | (2) |
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Nonlinear Parabolized Stability Equations |
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346 | (3) |
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349 | (2) |
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Disturbance Environment and Receptivity |
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351 | (22) |
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351 | (2) |
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Nonlocalized and Localized Receptivity |
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353 | (10) |
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An Adjoint Approach to Receptivity |
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363 | (4) |
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Receptivity Using Parabolic Evolution Equations |
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367 | (6) |
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373 | (28) |
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373 | (1) |
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Secondary Instability of Two-Dimensional Waves |
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374 | (9) |
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Derivation of the Equations |
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374 | (4) |
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378 | (3) |
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381 | (2) |
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Secondary Instability of Vortices and Streaks |
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383 | (11) |
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383 | (6) |
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Examples of Secondary Instability of Streaks and Vortices |
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389 | (5) |
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394 | (7) |
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Secondary Instability of Parallel Flows |
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394 | (3) |
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Parabolic Equations for Spatial Eckhaus Instability |
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397 | (4) |
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401 | (128) |
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Transition Scenarios and Thresholds |
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401 | (13) |
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401 | (2) |
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Three Transition Scenarios |
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403 | (8) |
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The Most Likely Transition Scenario |
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411 | (2) |
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413 | (1) |
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Breakdown of Two-Dimensional Waves |
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414 | (11) |
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The Zero Pressure Gradient Boundary Layer |
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414 | (6) |
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Breakdown of Mixing Layers |
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420 | (5) |
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425 | (11) |
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Streaks Forced by Blowing or Suction |
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425 | (4) |
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429 | (7) |
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436 | (10) |
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Experiments and Simulations in Blasius Flow |
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436 | (5) |
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Transition in a Separation Bubble |
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441 | (4) |
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Compressible Oblique Transition |
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445 | (1) |
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Transition of Vortex-Dominated Flows |
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446 | (10) |
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Transition in Flows with Curvature |
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446 | (4) |
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Direct Numerical Simulations of Secondary Instability of Crossflow Vortices |
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450 | (5) |
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Experimental Investigations of Breakdown of Cross-flow Vortices |
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455 | (1) |
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Breakdown of Localized Disturbances |
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456 | (9) |
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Experimental Results for Boundary Layers |
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459 | (1) |
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Direct Numerical Simulations in Boundary Layers |
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460 | (5) |
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465 | (14) |
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Low-Dimensional Models of Subcritical Transition |
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465 | (4) |
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Traditional Transition Prediction Models |
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469 | (2) |
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Transition Prediction Models Based on Nonmodal Growth |
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471 | (3) |
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Nonlinear Transition Modeling |
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474 | (5) |
III Appendix |
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A Numerical Issues and Computer Programs |
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479 | (30) |
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A.1 Global versus Local Methods |
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479 | (1) |
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480 | (3) |
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483 | (3) |
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A.4 Infinite Domain and Continuous Spectrum |
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486 | (1) |
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A.5 Chebyshev Discretization of the Orr-Sommerfeld Equation |
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487 | (2) |
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A.6 MATLAB Codes for Hydrodynamic Stability Calculations |
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489 | (14) |
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A.7 Eigenvalues of Parallel Shear Flows |
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503 | (6) |
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B Resonances and Degeneracies |
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509 | (6) |
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B.1 Resonances and Degeneracies |
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509 | (2) |
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B.2 Orr-Sommerfeld-Squire Resonance |
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511 | (4) |
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C Adjoint of the Linearized Boundary Layer Equation |
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515 | (4) |
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C.1 Adjoint of the Linearized Boundary Layer Equation |
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515 | (4) |
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D Selected Problems on Part I |
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519 | (10) |
Bibliography |
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529 | (22) |
Index |
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551 | |