{"product_id":"aircraft-aerodynamic-design-9780470662571","title":"Aircraft Aerodynamic Design","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eOptimal aircraft design is impossible without a parametric representation of the geometry of the airframe. We need a mathematical model equipped with a set of controls, or design variables, which generates different candidate airframe shapes in response to changes in the values of these variables.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTrade Review\u003c\/b\u003e\u003cbr\u003e\u003cp\u003e“The book is generally well written and easy to read, with a pleasing use of aircraft photographs to illustrate the text.”  (\u003ci\u003eT\u003c\/i\u003e\u003ci\u003ehe \u003c\/i\u003e\u003ci\u003eA\u003c\/i\u003e\u003ci\u003eeronautical \u003c\/i\u003e\u003ci\u003eJ\u003c\/i\u003e\u003ci\u003eournal\u003c\/i\u003e , 1 April 2015)\u003c\/p\u003e \u003cp\u003e“Aircraft Aerodynamic Design: Geometry and Optimization is a practical guide for researchers and practitioners in the aerospace industry, and a reference for graduate and undergraduate students in aircraft design and multidisciplinary design optimization.”  (\u003ci\u003eExpofairs.com\u003c\/i\u003e, 7 January 2015)\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTable of Contents\u003c\/b\u003e\u003cbr\u003eSeries Preface xi  \u003cp\u003ePreface xiii\u003c\/p\u003e \u003cp\u003e\u003cb\u003e1 Prologue 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e2 Geometry Parameterization: Philosophy and Practice 7\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e2.1 A Sense of Scale 7\u003c\/p\u003e \u003cp\u003e2.1.1 Separating Shape and Scale 7\u003c\/p\u003e \u003cp\u003e2.1.2 Nondimensional Coefficients 9\u003c\/p\u003e \u003cp\u003e2.2 Parametric Geometries 11\u003c\/p\u003e \u003cp\u003e2.2.1 Pre-Optimization Checks 13\u003c\/p\u003e \u003cp\u003e2.3 What Makes a Good Parametric Geometry: Three Criteria 15\u003c\/p\u003e \u003cp\u003e2.3.1 Conciseness 15\u003c\/p\u003e \u003cp\u003e2.3.2 Robustness 16\u003c\/p\u003e \u003cp\u003e2.3.3 Flexibility 16\u003c\/p\u003e \u003cp\u003e2.4 A Parametric Fuselage: A Case Study in the Trade-Offs of Geometry Optimization 18\u003c\/p\u003e \u003cp\u003e2.4.1 Parametric Cross-Sections 18\u003c\/p\u003e \u003cp\u003e2.4.2 Fuselage Cross-Section Optimization: An Illustrative Example 22\u003c\/p\u003e \u003cp\u003e2.4.3 A Parametric Three-Dimensional Fuselage 27\u003c\/p\u003e \u003cp\u003e2.5 A General Observation on the Nature of Fixed-Wing Aircraft Geometry Modelling 29\u003c\/p\u003e \u003cp\u003e2.6 Necessary Flexibility 30\u003c\/p\u003e \u003cp\u003e2.7 The Place of a Parametric Geometry in the Design Process 31\u003c\/p\u003e \u003cp\u003e2.7.1 Optimization: A Hierarchy of Objective Functions 31\u003c\/p\u003e \u003cp\u003e2.7.2 Competing Objectives 32\u003c\/p\u003e \u003cp\u003e2.7.3 Optimization Method Selection 35\u003c\/p\u003e \u003cp\u003e2.7.4 Inverse Design 37\u003c\/p\u003e \u003cp\u003e\u003cb\u003e3 Curves 41\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e3.1 Conics and B´ezier Curves 41\u003c\/p\u003e \u003cp\u003e3.1.1 Projective Geometry Construction of Conics 42\u003c\/p\u003e \u003cp\u003e3.1.2 Parametric Bernstein Conic 43\u003c\/p\u003e \u003cp\u003e3.1.3 Rational Conics and B´ezier Curves 49\u003c\/p\u003e \u003cp\u003e3.1.4 Properties of B´ezier Curves 50\u003c\/p\u003e \u003cp\u003e3.2 B´ezier Splines 51\u003c\/p\u003e \u003cp\u003e3.3 Ferguson’s Spline 52\u003c\/p\u003e \u003cp\u003e3.4 B-Splines 57\u003c\/p\u003e \u003cp\u003e3.5 Knots 59\u003c\/p\u003e \u003cp\u003e3.6 Nonuniform Rational Basis Splines 60\u003c\/p\u003e \u003cp\u003e3.7 Implementation in Rhino 64\u003c\/p\u003e \u003cp\u003e3.8 Curves for Optimization 65\u003c\/p\u003e \u003cp\u003e\u003cb\u003e4 Surfaces 67\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e4.1 Lofted, Translated and Coons Surfaces 67\u003c\/p\u003e \u003cp\u003e4.2 B´ezier Surfaces 69\u003c\/p\u003e \u003cp\u003e4.3 B-Spline and Nonuniform Rational Basis Spline Surfaces 74\u003c\/p\u003e \u003cp\u003e4.4 Free-Form Deformation 76\u003c\/p\u003e \u003cp\u003e4.5 Implementation in Rhino 82\u003c\/p\u003e \u003cp\u003e4.5.1 Nonuniform Rational Basis Splines-Based Surfaces 82\u003c\/p\u003e \u003cp\u003e4.5.2 Free-Form Deformation 82\u003c\/p\u003e \u003cp\u003e4.6 Surfaces for Optimization 84\u003c\/p\u003e \u003cp\u003e\u003cb\u003e5 Aerofoil Engineering: Fundamentals 91\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e5.1 Definitions, Conventions, Taxonomy, Description 91\u003c\/p\u003e \u003cp\u003e5.2 A ‘Non-Taxonomy’ of Aerofoils 92\u003c\/p\u003e \u003cp\u003e5.2.1 Low-Speed Aerofoils 93\u003c\/p\u003e \u003cp\u003e5.2.2 Subsonic Aerofoils 93\u003c\/p\u003e \u003cp\u003e5.2.3 Transonic Aerofoils 93\u003c\/p\u003e \u003cp\u003e5.2.4 Supersonic Aerofoils 94\u003c\/p\u003e \u003cp\u003e5.2.5 Natural Laminar Flow Aerofoils 94\u003c\/p\u003e \u003cp\u003e5.2.6 Multi-Element Aerofoils 95\u003c\/p\u003e \u003cp\u003e5.2.7 Morphing and Flexible Aerofoils 98\u003c\/p\u003e \u003cp\u003e5.3 Legacy versus Custom-Designed Aerofoils 98\u003c\/p\u003e \u003cp\u003e5.4 Using Legacy Aerofoil Definitions 99\u003c\/p\u003e \u003cp\u003e5.5 Handling Legacy Aerofoils: A Practical Primer 101\u003c\/p\u003e \u003cp\u003e5.6 Aerofoil Families versus Parametric Aerofoils 102\u003c\/p\u003e \u003cp\u003e\u003cb\u003e6 Families of Legacy Aerofoils 103\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e6.1 The NACA Four-Digit Section 103\u003c\/p\u003e \u003cp\u003e6.1.1 A One-Variable Thickness Distribution 104\u003c\/p\u003e \u003cp\u003e6.1.2 A Two-Variable Camber Curve 105\u003c\/p\u003e \u003cp\u003e6.1.3 Building the Aerofoil 105\u003c\/p\u003e \u003cp\u003e6.1.4 Nomenclature 106\u003c\/p\u003e \u003cp\u003e6.1.5 A Drawback and Two Fixes 107\u003c\/p\u003e \u003cp\u003e6.1.6 The Distribution of Points: Sampling Density Variations and Cusps 107\u003c\/p\u003e \u003cp\u003e6.1.7 A MATLAB® Implementation 109\u003c\/p\u003e \u003cp\u003e6.1.8 An OpenNURBS\/Rhino-Python Implementation 111\u003c\/p\u003e \u003cp\u003e6.1.9 Applications 112\u003c\/p\u003e \u003cp\u003e6.2 The NACA Five-Digit Section 113\u003c\/p\u003e \u003cp\u003e6.2.1 A Three-Variable Camber Curve 113\u003c\/p\u003e \u003cp\u003e6.2.2 Nomenclature and Implementation 116\u003c\/p\u003e \u003cp\u003e6.3 The NACA SC Families 118\u003c\/p\u003e \u003cp\u003e6.3.1 SC(2) 118\u003c\/p\u003e \u003cp\u003e\u003cb\u003e7 Aerofoil Parameterization 123\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e7.1 Complex Transforms 123\u003c\/p\u003e \u003cp\u003e7.1.1 The Joukowski Aerofoil 124\u003c\/p\u003e \u003cp\u003e7.2 Can a Pair of Ferguson Splines Represent an Aerofoil? 125\u003c\/p\u003e \u003cp\u003e7.2.1 A Simple Parametric Aerofoil 125\u003c\/p\u003e \u003cp\u003e7.3 Kulfan’s Class- and Shape-Function Transformation 127\u003c\/p\u003e \u003cp\u003e7.3.1 A Generic Aerofoil 128\u003c\/p\u003e \u003cp\u003e7.3.2 Transforming a Legacy Aerofoil 130\u003c\/p\u003e \u003cp\u003e7.3.3 Approximation Accuracy 132\u003c\/p\u003e \u003cp\u003e7.3.4 The Kulfan Transform as a Filter 135\u003c\/p\u003e \u003cp\u003e7.3.5 Computational Implementation 137\u003c\/p\u003e \u003cp\u003e7.3.6 Class- and Shape-Function Transformation in Optimization: Global versus Local Search 139\u003c\/p\u003e \u003cp\u003e7.3.7 Capturing the Shared Features of a Family of Aerofoils 140\u003c\/p\u003e \u003cp\u003e7.4 Other Formulations: Past, Present and Future 142\u003c\/p\u003e \u003cp\u003e\u003cb\u003e8 Planform Parameterization 145\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e8.1 The Aspect Ratio 145\u003c\/p\u003e \u003cp\u003e8.1.1 Induced Drag 148\u003c\/p\u003e \u003cp\u003e8.1.2 Structural Efficiency 150\u003c\/p\u003e \u003cp\u003e8.1.3 Airport Compatibility 150\u003c\/p\u003e \u003cp\u003e8.1.4 Handling 151\u003c\/p\u003e \u003cp\u003e8.2 The Taper Ratio 152\u003c\/p\u003e \u003cp\u003e8.3 Sweep 153\u003c\/p\u003e \u003cp\u003e8.3.1 Terminology 153\u003c\/p\u003e \u003cp\u003e8.3.2 Sweep in Transonic Flight 155\u003c\/p\u003e \u003cp\u003e8.3.3 Sweep in Supersonic Flight 157\u003c\/p\u003e \u003cp\u003e8.3.4 Forward Sweep 158\u003c\/p\u003e \u003cp\u003e8.3.5 Variable Sweep 159\u003c\/p\u003e \u003cp\u003e8.3.6 Swept-Wing ‘Growth’ 161\u003c\/p\u003e \u003cp\u003e8.4 Wing Area 162\u003c\/p\u003e \u003cp\u003e8.4.1 Constraints on the Wing Area 162\u003c\/p\u003e \u003cp\u003e8.5 Planform Definition 167\u003c\/p\u003e \u003cp\u003e8.5.1 From Sketch to Geometry 167\u003c\/p\u003e \u003cp\u003e8.5.2 Introducing Scaling Factors: A Design Heuristic and a Simple Example 168\u003c\/p\u003e \u003cp\u003e8.5.3 More Complex Planforms and an Additional Scaling Factor 169\u003c\/p\u003e \u003cp\u003e8.5.4 Spanwise Chord Variation 171\u003c\/p\u003e \u003cp\u003e\u003cb\u003e9 Three-Dimensional Wing Synthesis 175\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e9.1 Fundamental Variables 175\u003c\/p\u003e \u003cp\u003e9.1.1 Twist 175\u003c\/p\u003e \u003cp\u003e9.1.2 Dihedral 176\u003c\/p\u003e \u003cp\u003e9.2 Coordinate Systems 177\u003c\/p\u003e \u003cp\u003e9.2.1 Cartesian Systems 177\u003c\/p\u003e \u003cp\u003e9.2.2 A Wing-Bound, Curvilinear Dimension 181\u003c\/p\u003e \u003cp\u003e9.3 The Synthesis of a Nondimensional Wing 181\u003c\/p\u003e \u003cp\u003e9.3.1 Example: A Blended Box Wing 183\u003c\/p\u003e \u003cp\u003e9.3.2 Example: Parameterization of a Blended Winglet 187\u003c\/p\u003e \u003cp\u003e9.4 Wing Geometry Scaling. A Case Study: Design of a Commuter Airliner Wing 189\u003c\/p\u003e \u003cp\u003e9.5 Indirect Wing Geometry Scaling 196\u003c\/p\u003e \u003cp\u003e\u003cb\u003e10 Design Sensitivities 199\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e10.1 Analytical and Finite-Difference Sensitivities 199\u003c\/p\u003e \u003cp\u003e10.2 Algorithmic Differentiation 201\u003c\/p\u003e \u003cp\u003e10.2.1 Forward Propagation of Tangents 201\u003c\/p\u003e \u003cp\u003e10.2.2 Reverse Mode 203\u003c\/p\u003e \u003cp\u003e10.3 Example: Differentiating an Aerofoil from Control Points to Lift Coefficient 204\u003c\/p\u003e \u003cp\u003e10.4 Example Inverse Design 212\u003c\/p\u003e \u003cp\u003e\u003cb\u003e11 Basic Aerofoil Analysis: AWorked Example 217\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e11.1 Creating the .dat and .in files using Python 218\u003c\/p\u003e \u003cp\u003e11.2 Running XFOIL from Python 219\u003c\/p\u003e \u003cp\u003e\u003cb\u003e12 Human-Powered Aircraft Wing Design: A Case Study in Aerodynamic Shape Optimization 223\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e12.1 Constraints 225\u003c\/p\u003e \u003cp\u003e12.2 Planform Design 225\u003c\/p\u003e \u003cp\u003e12.3 Aerofoil Section Design 226\u003c\/p\u003e \u003cp\u003e12.4 Optimization 226\u003c\/p\u003e \u003cp\u003e12.4.1 NACA Four-Digit Wing 227\u003c\/p\u003e \u003cp\u003e12.4.2 Ferguson Spline Wing 229\u003c\/p\u003e \u003cp\u003e12.5 Improving the Design 230\u003c\/p\u003e \u003cp\u003e\u003cb\u003e13 Epilogue: Challenging Topological Prejudice 237\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eReferences 239\u003c\/p\u003e \u003cp\u003eIndex 243\u003c\/p\u003e","brand":"John Wiley \u0026 Sons Inc","offers":[{"title":"Default Title","offer_id":49402395787607,"sku":"9780470662571","price":73.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1739\/5799\/files\/9780470662571.jpg?v=1730480270","url":"https:\/\/bookcurl.com\/products\/aircraft-aerodynamic-design-9780470662571","provider":"Book Curl","version":"1.0","type":"link"}