| Preface |
|
xvii | |
| Preface to the First Edition |
|
xvii | |
| Preface to the Second Edition |
|
xix | |
| Preface to the Third Edition |
|
xx | |
| Preface to the Fourth Edition |
|
xxi | |
| Short Bibliography |
|
xxiii | |
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1 | (4) |
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Static Aeroelasticity (Dowell) |
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5 | (48) |
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Typical Section Model of An Airfoil |
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5 | (13) |
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Typical section model with control surface |
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10 | (6) |
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Typical section model---nonlinear effects |
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16 | (2) |
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One Dimensional Aeroelastic Model of Airfoils |
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18 | (8) |
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Beam-rod representation of large aspect ratio wing |
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18 | (4) |
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Eigenvalue and eigenfunction approach |
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22 | (2) |
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24 | (2) |
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Rolling of a Straight Wing |
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26 | (15) |
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Integral equation of equilibrium |
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26 | (1) |
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Derivation of equation of equilibrium |
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27 | (1) |
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28 | (1) |
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Sketch of function S(y1,η) |
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28 | (2) |
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Aerodynamic forces (including spanwise induction) |
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30 | (2) |
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Aeroelastic equations of equilibrium and lumped element solution method |
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32 | (1) |
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33 | (1) |
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Reversal and rolling effectiveness |
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34 | (3) |
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Integral equation eigenvalue problem and the experimental determination of influence functions |
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37 | (4) |
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Two Dimensional Aeroelastic Model of Lifting Surfaces |
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41 | (3) |
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Two dimensional structures---integral representation |
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41 | (1) |
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Two dimensional aerodynamic surfaces---integral representation |
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42 | (1) |
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Solution by matrix-lumped element approach |
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43 | (1) |
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44 | (3) |
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Fluid flow through a flexible pipe |
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44 | (3) |
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(Low speed) fluid flow over a flexible wall |
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47 | (1) |
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47 | (6) |
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51 | (2) |
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Dynamic Aeroelasticity (Dowell) |
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53 | (116) |
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54 | (6) |
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54 | (2) |
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56 | (1) |
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56 | (1) |
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56 | (3) |
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59 | (1) |
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60 | (4) |
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Example---typical section equations of motion |
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61 | (3) |
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Dynamics of the Typical Section Model of An Airfoil |
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64 | (23) |
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64 | (3) |
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67 | (1) |
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67 | (6) |
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73 | (8) |
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Flutter - an introduction to dynamic aeroelastic instability |
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81 | (4) |
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Quasi-steady, aerodynamic theory |
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85 | (2) |
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87 | (10) |
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Aerodynamic theories available |
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91 | (4) |
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95 | (1) |
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`Strip theory' approximation |
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95 | (1) |
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`Quasisteady' approximation |
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95 | (1) |
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Slender body or slender (low aspect ratio) wing approximation |
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96 | (1) |
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Solutions to the Aeroelastic Equations of Motion |
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97 | (6) |
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98 | (2) |
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Frequency domain solutions |
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100 | (3) |
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Representative Results and Computational Considerations |
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103 | (25) |
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103 | (1) |
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103 | (2) |
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Flutter and gust response classification including parameter trends |
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105 | (1) |
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105 | (16) |
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121 | (7) |
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Generalized Equations of Motion for Complex Structures |
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128 | (28) |
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Lagrange's equations and modal methods (Rayleigh-Ritz) |
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128 | (1) |
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129 | (1) |
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Strain (potential elastic) energy |
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130 | (3) |
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133 | (1) |
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Torsional vibrations of a rod |
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133 | (1) |
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Bending-torsional motion of a beam-rod |
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134 | (1) |
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Natural frequencies and modes-eigenvalues and eigenvectors |
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135 | (1) |
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Evaluation of generalized aerodynamic forces |
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136 | (1) |
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Equations of motion and solution methods |
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137 | (2) |
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Integral equations of equilibrium |
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139 | (2) |
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Natural frequencies and modes |
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141 | (2) |
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143 | (1) |
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Forced motion including aerodynamic forces |
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144 | (3) |
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147 | (1) |
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Rigid wing undergoing translation responding to a gust |
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147 | (6) |
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Wing undergoing translation and spanwise bending |
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153 | (2) |
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Random gusts-solution in the frequency domain |
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155 | (1) |
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Other Fluid-Structural Interaction Phenomena |
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156 | (13) |
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Fluid flow through a flexible pipe: ``firehose'' flutter |
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156 | (2) |
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(High speed) fluid flow over a flexible wall - a simple prototype for plate or panel flutter |
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158 | (7) |
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165 | (4) |
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Nonsteady Aerodynamics (Dowell) |
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169 | (106) |
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Basic Fluid Dynamic Equations |
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169 | (13) |
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170 | (1) |
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171 | (1) |
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Irrotational flow, Kelvin's theorem and Bernoulli's equation |
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172 | (2) |
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Derivation of a single equation for velocity potential |
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174 | (1) |
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Small perturbation theory |
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175 | (2) |
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Reduction to classical acoustics |
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177 | (1) |
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178 | (2) |
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Symmetry and anti-symmetry |
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180 | (2) |
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182 | (19) |
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182 | (1) |
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Simple harmonic motion of the airfoil |
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183 | (2) |
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185 | (2) |
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Discussion of physical significance of the results |
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187 | (2) |
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189 | (1) |
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190 | (1) |
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Lift, due to airfoil motion |
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191 | (1) |
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Lift, due to atmospheric gust |
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192 | (3) |
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195 | (6) |
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201 | (31) |
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Derivation of the integral equation by transform methods and solution by collocation |
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201 | (3) |
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An alternative determination of the Kernel Function using Green's Theorem |
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204 | (3) |
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Incompressible, three-dimensional flow |
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207 | (4) |
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Compressible, three-dimensional flow |
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211 | (4) |
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Incompressible, two-dimensional flow |
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215 | (3) |
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Simple harmonic motion of an airfoil |
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218 | (6) |
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224 | (5) |
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229 | (3) |
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Representative Numerical Results |
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232 | (6) |
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238 | (37) |
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270 | (5) |
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275 | (24) |
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275 | (1) |
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276 | (2) |
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Stability and aerodynamic work |
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278 | (1) |
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279 | (2) |
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Nonlinear mechanics description |
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281 | (1) |
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282 | (3) |
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285 | (3) |
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288 | (1) |
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Computational stalled flow |
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289 | (10) |
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294 | (5) |
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Aeroelasticity in Civil Engineering (Scanlan and Simiu) |
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299 | (78) |
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Vortex-induced Oscillation |
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301 | (13) |
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301 | (4) |
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Modeling of vortex-induced oscillations |
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305 | (1) |
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Coupled two-degree-of-freedom equations: wake oscillator models |
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306 | (4) |
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Single-degree-of- freedom model of vortex-induced response |
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310 | (4) |
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314 | (13) |
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Equation of motion of galloping bodies. The Glauert-Den Hartog necessary condition for galloping instability |
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314 | (6) |
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Description of galloping motion |
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320 | (1) |
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Chaotic galloping of two elastically coupled square bars |
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321 | (1) |
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Wake galloping: physical description and analysis |
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321 | (6) |
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327 | (1) |
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Flutter and Buffeting in the Presence of Aeroelastic Effects |
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328 | (8) |
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Formulation and analytical solution of the two-dimensional bridge flutter problem in smooth flow |
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330 | (4) |
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Bridge section response to excitation by turbulent wind in the presence of aeroelastic effects |
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334 | (2) |
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336 | (25) |
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Wind tunnel testing of suspended-span bridges |
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336 | (2) |
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Torsional divergence analysis for a full bridge |
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338 | (2) |
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Locked-in vortex-induced response |
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340 | (10) |
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Flutter and buffeting of a full-span bridge |
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350 | (10) |
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Reduction of bridge susceptibility to flutter |
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360 | (1) |
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Tall Chimneys and Stacks, and Tall Buildings |
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361 | (16) |
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361 | (4) |
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365 | (2) |
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367 | (10) |
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Aeroelastic Response of Rotorcraft (Curtiss and Peters) |
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377 | (76) |
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379 | (24) |
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Articulated, rigid blade motion |
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379 | (11) |
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Elastic motion of hingeless blades |
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390 | (13) |
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403 | (6) |
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409 | (24) |
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433 | (20) |
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434 | (6) |
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440 | (1) |
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Finite-state wake modelling |
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441 | (3) |
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444 | (1) |
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444 | (9) |
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Aeroelasticity in Turbomachines (Sisto) |
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453 | (38) |
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Aeroelastic Environment in Turbomachines |
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454 | (1) |
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The Compressor Performance Map |
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455 | (5) |
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Blade Mode Shapes and Materials of Construction |
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460 | (2) |
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Nonsteady Potential Flow in Cascades |
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462 | (5) |
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467 | (4) |
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Periodically Stalled Flow in Turbomachines |
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471 | (4) |
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Stall Flutter in Turbomachines |
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475 | (2) |
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477 | (2) |
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479 | (2) |
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481 | (10) |
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487 | (4) |
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Modeling of Fluid-Structure Interaction (Dowell and Hall) |
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491 | (50) |
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The Range Of Physical Models |
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491 | (5) |
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491 | (3) |
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The distinction between linear and nonlinear models |
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494 | (1) |
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Computational fluid dynamics models |
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495 | (1) |
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The computational challenge of fluid structure interaction modeling |
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495 | (1) |
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496 | (4) |
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Classical aerodynamic theory |
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496 | (1) |
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Classical hydrodynamic stability theory |
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497 | (1) |
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Parallel shear flow with an inviscid dynamic perturbation |
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497 | (1) |
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General time-linearized analysis |
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498 | (2) |
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500 | (1) |
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Nonlinear Dynamical Models |
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500 | (24) |
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503 | (1) |
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System identification methods |
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503 | (1) |
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Nonlinear reduced-order models |
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504 | (1) |
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504 | (1) |
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Constructing reduced order models |
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505 | (1) |
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Linear and nonlinear fluid models |
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506 | (1) |
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Eigenmode computational methodology |
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507 | (1) |
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Proper orthogonal decomposition modes |
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508 | (1) |
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509 | (1) |
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Synergy among the modal methods |
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509 | (1) |
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509 | (2) |
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Structural, aerodynamic, and aeroelastic modes |
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511 | (1) |
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512 | (1) |
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The effects of spatial discretization and a finite computational domain |
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512 | (4) |
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The effects of mach number and steady angle of attack: subsonic and transonic flows |
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516 | (5) |
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521 | (1) |
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Nonlinear aeroelastic reduced-order models |
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522 | (2) |
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524 | (17) |
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529 | (9) |
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Appendix: Singular-Value Decomposition, Proper Orthogonal Decomposition, & Balanced Modes |
|
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538 | (3) |
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Experimental Aeroelasticity (Dowell) |
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541 | (10) |
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Review of Structural Dynamics Experiments |
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541 | (2) |
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543 | (2) |
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Sub-critical flutter testing |
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543 | (1) |
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Approaching the flutter boundary |
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544 | (1) |
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544 | (1) |
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Research tests vs. clearance tests |
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544 | (1) |
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544 | (1) |
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545 | (1) |
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Approaching the flutter boundary |
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545 | (1) |
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When is flight flutter testing required? |
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545 | (1) |
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545 | (1) |
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Examples of recent flight flutter test programs |
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546 | (1) |
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The Role of Experimentation and Theory in Design |
|
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546 | (5) |
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548 | (3) |
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Nonlinear Aeroelasticity (Dowell, Edwards and Strganac) |
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551 | (60) |
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551 | (1) |
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Generic Nonlinear Aeroelastic Behavior |
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552 | (2) |
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Flight Experience with Nonlinear Aeroelastic Effects |
|
|
554 | (3) |
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Nonlinear aerodynamic effects |
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556 | (1) |
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556 | (1) |
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Geometric structural nonlinearities |
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557 | (1) |
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Physical Sources of Nonlinearities |
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557 | (1) |
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Efficient Computation of Unsteady Aerodynamic Forces: Linear and Nonlinear |
|
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558 | (2) |
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Correlations of Experiment/Theory and Theory/Theory |
|
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560 | (6) |
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560 | (6) |
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Flutter Boundaries in Transonic Flow |
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566 | (7) |
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|
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573 | (38) |
|
Airfoils with stiffness nonlinearities |
|
|
573 | (2) |
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Nonlinear internal resonance behavior |
|
|
575 | (2) |
|
Delta wings with geometrical plate nonlinearities |
|
|
577 | (1) |
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Very high aspect ratio wings with both structural and aerodynamic nonlinearities |
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578 | (3) |
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Nonlinear structural damping |
|
|
581 | (1) |
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Large shock motions and flow separation |
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581 | (13) |
|
|
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594 | (1) |
|
Uncertainty due to nonlinearity |
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595 | (3) |
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598 | (13) |
|
Aeroelastic Control (Clark and Cox) |
|
|
611 | (64) |
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611 | (1) |
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612 | (5) |
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|
|
612 | (3) |
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Controllability and observability |
|
|
615 | (2) |
|
Aeroelasticity: Aerodynamic Feedback |
|
|
617 | (19) |
|
Development of a typical section model |
|
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617 | (2) |
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619 | (3) |
|
|
|
622 | (1) |
|
Combined aeroelastic model |
|
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623 | (4) |
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Development of a delta wing model |
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627 | (3) |
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630 | (3) |
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633 | (1) |
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634 | (2) |
|
Open-Loop Design Considerations |
|
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636 | (6) |
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637 | (1) |
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638 | (3) |
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641 | (1) |
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642 | (5) |
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Control of the typical section model |
|
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644 | (3) |
|
Control of the delta wing model |
|
|
647 | (1) |
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647 | (7) |
|
Linear matrix inequalities |
|
|
648 | (1) |
|
LMI controller specifications |
|
|
649 | (3) |
|
An LMI design for the typical section |
|
|
652 | (2) |
|
|
|
654 | (13) |
|
Typical section experiment |
|
|
655 | (1) |
|
LPV system identification |
|
|
656 | (2) |
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|
658 | (6) |
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664 | (3) |
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667 | (8) |
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|
|
669 | (6) |
|
Modern Analysis for Complex and Nonlinear Unsteady Flows in Turbomachinery (Hall) |
|
|
675 | (29) |
|
Linearized Analysis of Unsteady Flows |
|
|
676 | (7) |
|
Analysis of Unsteady Flows |
|
|
683 | (5) |
|
|
|
688 | (11) |
|
|
|
699 | (5) |
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701 | (3) |
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|
704 | (39) |
|
Appendix A: A Primer For Structural Response To Random Pressure Fluctuations |
|
|
705 | (6) |
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|
|
705 | (1) |
|
A.2 Excitation-Response Relation For The Structure |
|
|
705 | (4) |
|
A.3 Sharp Resonance or Low Damping Approximation |
|
|
709 | (1) |
|
|
|
710 | (1) |
|
References for Appendix A |
|
|
710 | (1) |
|
Appendix B: Some Example Problems |
|
|
711 | (32) |
|
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|
711 | (13) |
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724 | (6) |
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730 | (5) |
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|
735 | (3) |
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|
|
738 | (5) |
| Index |
|
743 | |
