ISBN: 3540439021
TITLE: Progress in Computational Flow-Structure Interacion
AUTHOR: Haase, Selmin, Winzell (Eds.)
TOC:

I The UNSI Project 1
1 Summary 1
2 Introduction 1
3 Technical project description 3
3.1 Research approach and methodology 3
3.2 Description of tasks 4
Task 1.1: Test case definition and identification 5
Task 1.2: Web server, data base, file server and data standard 5
Task 2: Measurements for high subsonic, steady/unsteady, two-dimensional airfoil and three-dimensional wing 5
Task 3.1: Flow physics (turbulence) modelling for unsteady flows 6
Task 3.2: Mesh movement and adaptation 6
Task 3.3: Grids for unsteady analysis around aircraft and aircraft components 6
Task 3.4: Calibration of CFD codes for steady/unsteady two-dimensional flows 7
Task 3.5: Calibration of CFD codes for steady/unsteady three-dimensional flow on structured and unstructured meshes 7
Task 4: Coupling strategies /coupling of CFD and CSM (Euler/NS) 7
Task 5.1: Time linearisation strategies and improved linear theory predictions 8
Task 5.2: Calibration of (static) aeroelasticity methods, i.e. for steady flow field behaviour 8
Task 5.3: Calibration of aeroelasticity methods for subsonic flow exhibiting separation 8
Task 5.4: Calibration of aeroelasticity methods for a transonic flow case including flutter phenomena 9
Task 6: Project management and exploitation 9
3.3 Task-per-partner matrix 9
3.4 List of partners and addresses 10
4 Conclusion 12
5 The UNSI Web site 12
II Technical, partner-related reports containing method descriptions and concise presentation of important results 13
1 Alenia: Coupled fluid/structure system 13
2 BAe: Effective schemes for CFD-CSM coupling 21
3 CASA: Efficient and robust techniques for time accurate computation and grid deformation in strongly coupled aeroelasticity 31
4 EADS-M (Dasa-M): Static and dynamic aeroelastic simulations in transonic and supersonic flow 39
5 Dassault: Methods and results 47
6 DERA: Adaptation for unsteady viscous flows 55
7 DLR: Simulation of steady and unsteady flows about airfoils 65
8 FFA: Flow physics modelling and numerical issues for unsteady and aeroelastic computations 73
9 IMFT: Turbulence modelling of unsteady flows with a pronounced periodic character 87
10 IRPHE: Experimental methods for subsonic flow measurements 97
11 NUMECA: All-hexahedra unstructured flow solver for external aerodynamics with application to aeroelasticity 105
12 ONERA: Static and dynamic aeroelastic computations using advanced 3D-unsteady aerodynamic solvers 117
13 QMW: Numerical modelling of fluid-structure interaction problems 125
14 SAAB: Summary of Saab's work in UNSI 133
15 TUB: Methods used and highlight results achieved in UNSI 139
III Summary of work carried out in the main tasks of the UNSI project 145
1 Flow physics modelling 145
2 Data base for steady and unsteady, 2D and 3D flow 155
3 Grid deformation and adaptation 165
4 CFD validation results 173
5 Coupling of structure and fluids 177
6 Static aeroleastic coupling 191
7 Dynamic aeroleastic coupling - flutter 205
8 Assessment of strategies for correcting linear unsteady aerodynamics using CFD or test results 209
IV Application-oriented synthesis of work 225
1 NACAO012 airfoil, 2D steady and unsteady 225
2 18% arc airfoil 237
3 NACA0012 wing, steady and unsteady 243
4 NACA0012 wing, DNS results 251
5 AGARD NACA64A010, cases: CT6 and SSC 261
6 AGARD LANN wing, cases: CT5 and CT9 269
7 AMP wing 279
8 MDO wing/aircraft steady 289
9 MDO wing: Common dynamic test case 305
10 AGARD445.6 319
11 Delta wing (in pitch with flap) 329
12 X31 wing - static and dynamic aeroelasticity 333
13 NACA64A010 2DOF airfoil 343
14 Flexible sail 351
V Conclusion and lessons learnt 361
1 General comments 361
2 Lessons learnt 361
3 Conclusion and recommendation 362
VI References 363
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