Chapter 1
1 Introduction ... 1
1.1. Motivation ... 1
1.2 Theory of wave drag in transonic regimes... 2
1.3 CFD ... 5
1.4 Review of previous works ... 6
1.5 Geometric model, NASA CRM ... 9
Chapter 2
2 Geometry model implementation ... 152.1 CATIA build process for swept wing ... 16
2.2 Catia build process for curved wing ... 18
2.2.1 Planform shape: polynomial law ... 18
2.3 Generated models ... 20
2.4 Fluid domain implementation: far field and sheath ... 26
2.4.1 Control volumes generation around the wing ... 26
2.4.2 Control surfaces generation around the fuselage ... 33
2.4.3 Far field generation ... 35
Chapter 3
3 Mesh generation and replay control ... 363.1 Grid guidelines ... 36
3.2 ICEM CFD grids generation ... 36
3.3 Grid comparison ... 39
3.3.2 CASE 64 ... 50
3.3.3 CASE 73 ... 53
3.4 Replay control ... 54
3.4.1 Rename entities script ... 55
3.4.2 Mesh-geometry association script ... 56
3.4.3 Nodes and spacing setup script ... 59
3.4.4 Automation procedure ... 66
Chapter 4
4 Validation in Computational Fluid Dynamics (CFD) ... 674.1 Experimental fluid dynamics (EFD) ... 67
4.1.1 Model description ... 68
4.1.2 Langley National Transonic Facility test conditions ... 69
4.1.3 Wall correction methods ... 71
4.1.4 Experimental results ... 72 4.2 CFD approach ... 73 4.2.1 Physical setup... 73 4.2.2 Setup validation ... 75 4.3 CFD model validation ... 78
Chapter 5
5 Numerical analyses of wing body models ... 895.1 Introduction ... 89
5.2 Preliminary curved wing optimization ... 90
5.3.1 CFD comparison with variable angle of attack ... 99 5.3.2 CFD comparison with fixed CL 0.5 ... 111
5.4 Wing-only case: Drag penalty caused by off-design angle of incidence ... 142
