Continuous adjoint sensitivities of Helmholtz equation for aeroacoustic shape optimization

38th Aerospace Sciences Meeting and Exhibit

Volumn , Issue , 2000, Pages

  Ghayour, Kaveh ^a   Baysal, Oktay ^b  

^a OLD DOMINION UNIVERSITY   (United States)

^b Old Dominion University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC FIELDS; AEROSPACE ENGINEERING; HELMHOLTZ EQUATION; INTERPOLATION; PIECEWISE LINEAR TECHNIQUES;

ACOUSTIC PRESSURE FIELD; BOUNDARY INFORMATION; CARTESIAN COORDINATE SYSTEM; CONTINUOUS ADJOINT; DIRECTIONAL DERIVATIVE; INTERPOLATING FUNCTIONS; NATURAL COORDINATES; SHAPE SENSITIVITIES;

SHAPE OPTIMIZATION;

EID: 85087606188     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2000-687     Document Type: Conference Paper

References (7)

1. Piacentini, A.,: Invernizzi, M., and Pannese, L., "Computational Acoustics: Noise Reduction via Diffraction by Barriers with Different Geometries, " Computer Methods in Applied Mechanics and Engineering, Vol. 130, 1996, pp. 81-91.
2. van Leeuwen, J.J.A., "Noise Prediction Models to Determine the Effect of Barriers Placed Alongside Railway Lines, " Journal of Sound and Vibration, Vol. 193, No. 1, 1996, pp. 269-276.
3. Baysal, O., Idres, M., and Ghayour, K., "Noise Barrier for Light Rail System: Computational Modeling and Design Optimization, " Technology Applications Center Report, Old Dominion University, Norfolk, VA, May 1999.
4. Baysal, O., and Kelly, J.J., "Evaluation of Concrete Noise Barrier for Light Rail System: Insertion Loss from Acoustical Measurements, " Technology Applications Center Report,' Old Dominion University, Norfolk, VA, May 1999.
5. Baysal, O., and Shayour, K., "Continuous Adjoint Sensitivities for '. General Cost-. Functionals on Unstructured Meshes ' in Aerodynamic Shape Optimization, " AIAA Paper 98-4904, Proceedinqs of the 71h AIAAAJSAFINASAI ISSMO Svmposium on Multidisciplinarv Analvsis and Optimization, St. Louis, MO, 1998, pp. 1483-1491.
6. Ghayour, K., and Baysal, O., "Limit-Cycle Shape-Optimization Using Time-Dependent Transonic Equation, " AIAA Paper 99-3375, Proceedinas 'of the 14 h AIAA Computational Fluid Dvnamics Conference, Vol. 2, 1999, pp. 1040-1048.
7. Bonnet, M., "Shape Identification Using Acoustic Measurements: A Numerical Investigation Using' BIE and Shape Differentiation, " IUTAM. Symposium Tokyo/Japan 1992, Inverse problems in Ensineering Mechanics, (Eds. M. Tanaka and H. Bui), 1992, pp. 199-200