Reducing radiated sound power of plates and shallow shells by local modification of geometry

Acta Acustica (Stuttgart)

Volumn 89, Issue 1, 2003, Pages 53-60

  Fritze, Denny ^a   Marburg, Steffen ^a   Hardtke, Hans Jürgen ^a  

^a DRESDEN UNIVERSITY OF TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC VARIABLES CONTROL; PARAMETER ESTIMATION; PLATES (STRUCTURAL COMPONENTS); SHELLS (STRUCTURES); STIFFNESS; STRUCTURAL OPTIMIZATION;

SOUND POWER;

NOISE ABATEMENT;

EID: 0037282447     PISSN: 14367947     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (29)

1. S. Marburg, H.-J. Hardtke, R. Schmidt, D. Pawandenat: Application of the concept of acoustic influence coefficients for the optimization of a vehicle roof. Engineering Analysis with Boundary Elements 20 (1997) 305-310.
2. S. Marburg, H.-J. Hardtke: A general concept for design modification of shell meshes in structural-acoustic optimization. Part II: Application to a vehicle floor panel. Finite Elements in Analysis and Design 38 (2002) 725-735.
3. S. Marburg: Efficient optimization of a noise transfer function by modification of a shell structure geometry. Part I: Theory. Structural and Multidisciplinary Optimization 24 (2002) 51-59.
4. S. Marburg, H.-J. Hardtke: Efficient optimization of a noise transfer function by modification of a shell structure geometry. Part II: Application to a vehicle dashboard. Structural and Multidisciplinary Optimization 24 (2002) 60-71.
5. A. D. Belegundu, R. R. Salagame, G. H. Koopmann: A general optimization strategy for sound power optimization. In: Structural Optimization 8. Springer-Verlag, 1994, 113-119.
6. E. W. Constans, A. D. Belegundu, G. H. Koopmann: Design approach for minimizing sound power from vibrating shell structures. AIAA Journal 36 (1998) 134-139.
7. E. W. Constans, G. H. Koopmann, A. D. Belegundu: The use of modal tailoring to minimize the radiated sound power of vibrating shells: Theory and experiment. Journal of Sound and Vibration 217 (1998) 335-350.
8. J. St. Pierre, R. L., G. H. Koopmann: A design method for minimizing the sound power radiated from plates by adding optimally sized, discrete masses. ASME Journal 117 (1995) 243-251.
9. J. B. Fahnline, G. H. Koopmann: A lumped parameter model for the acoustic power output from a vibrating structure. Journal of the Acoustic Society of America 100 (1996) 3539-3547.
10. J. S. Lamancusa: Numerical optimization techniques for structural-acoustic design of rectangular panels. Computers & Structures 48 (1993) 661-675.
11. J. S. Lamancusa, H. A. Eschenauer: Design optimization methods for rectangular panels with minimal sound radiation. AIAA Journal 32 (1994) 472-479.
12. H.-W. Wodtke, J. S. Lamancusa: Sound power minimization of circular plates through damping layer placement. Journal of Sound and Vibration 215 (1998) 1145-1163.
13. F. P. Mechel: Computational optimisation of absorbers. Acustica 87 (2001) 513-518.
14. A. J. McMillan, A. J. Keane: Vibration isolation in a thin rectangular plate using a large number of optimally positioned point masses. Journal of Sound and Vibration 202 (1997) 219-234.
15. A. Ratle, A. Berry: Use of genetic algorithms for the vibroacoustic optimization of a plate carrying point-masses. Journal of the Acoustic Society of America 104 (1998) 3385-3397.
16. M. Tinnsten: Optimization of acoustic response - A numerical and experimental comparison. Structural and Multidisciplinary Optimization 19 (2000) 122-129.
17. M. Tinnsten, P. Carlsson, M. Jonsson: Stochastic optimization of acoustic response - A numerical and experimental comparison. Structural and Multidisciplinary Optimization 23 (2002) 405-411.
18. S. T. Christensen, N. Olhoff: Shape optimization of a loudspeaker diaphragm with respect to sound directivity properties. Control and Cybernetics 27 (1998) 177-198.
19. P. J. M. Roozen-Kroon: Structural optimization of bells. Dissertation, Technische Universiteit Eindhoven, 1992.
20. M. H. van Houten: Function approximation concepts for multidisciplinary design optimization. Dissertation, Technische Universiteit Eindhoven, 1998.
21. A. J. G. Schoofs, F. van Asperen, P. Maas, A. Lehr: A carillon of major-third bells. Part I: Computation of bell profiles using structural optimization. Music Perception 4 (1987) 245-254.
22. F. G. Kollmann: Maschinenakustik: Grundlagen, Meßtechnik, Berechnung, Beeinflussung. 2nd edition. Springer Verlag, Berlin, Heidelberg, 2000.
23. F. Hibinger: Numerische Strukturoptimierung in der Maschinenakustik. Dissertation, Technische Universität Darmstadt, Darmstadt, 1998.
24. S. Marburg, H.-J. Hardtke: Shape optimization of a vehicle hat-shelf: Improving acoustic properties for different load-cases by maximizing first eigenfrequency. Computers and Structures 79 (2001) 1943-1957.
25. S. Marburg: A general concept for design modification of shell meshes in structural-acoustic optimization. Part I: Formulation of the concept. Finite Elements in Analysis and Design 38 (2002) 737-754.
26. G. H. Koopmann, J. B. Fahnline: Designing quiet structures: A sound power minimization approach. Academic Press, San Diego, London, 1997.
27. G. Hübner, A. Gerlach: Schalleistungsbestimmung mit der DFEM. Bundesanstalt für Arbeitsschutz und Arbeitsmedizin (Hrsg.), Fb. 846, 1999.
28. G. Hübner: Eine Betrachtung zur Physik der Schallabstrahlung. Acustica 75 (1991) 130-144.
29. M. Carfagni, P. Citti, M. Pierini: Simplified finite element modelling of acoustically treated structures. Journal of Sound and Vibration 204 (1997) 705-716.