· Application of Numerical Acoustic Methods to Noise Reduction in Vehicle Compartments (T. Tecco, N. Vlahopoulos and E. Vorenkamp), SAE International - 1993 Int'l Off-Highway & Powerplant Congress & Exposition, 932433, Milwaukee, WI.

· A Numerical Approach for the Prediction and Reduction of Structure Borne Noise During the Design Stage of Ground Vehicles, (N. Vlahopoulos, E. Shalis and M. Latcha), ASME Design Technical Conferences-14th Biennial Conf. on Mechanical Vibration and Noise, DE-Vol. 62, 1993, Albuquerque, NM.

· Boundary Element Formulations for Structural Acoustics Including Mean Flow Effects, (G.F. Dargush, S.T. Raveendra and P.K. Banerjee), AMD-Vol. 178, Computational Methods for Fluid/Structural Interaction ASME 1993, pg. 39-50.

1993

Publications 1993-1997

· Venturi as a Silencer, (A. Selamet and Y. Kim), The American Society of Mechanical Engineers (reprint from FED vol. 192, Unsteady Flows), Book No. G00870, 1994.

· Acoustic Sensitivity Analysis Using Boundary Elements and Structural Dynamic Response, (N. Vlahopoulos, S.T. Raveendra and Chris Mollo), MSC 1994 World User's Conference Proceedings, Lake Buena Vista, FL, No. 7.

· Multi-Dimensional Effects on Silencer Performance, (A. Selamet, P.M. Radavich and N.S. Dickey), 1994 National Conference on Noise Control Engineering, Ft. Lauderdale, FL (also appeared in Noise-Con 94 Proceedings).

1994

1995

 

· A New Approach for Noise Reduction of Thin-Shell Structures, (Y. K. Zhang, J. Yang, M. Lee and J. Prakash), Inter-Noise 1995 - Newport Beach, CA.

· Reduction of Passenger Car Road Noise Using Computational Analysis, (N., R. Sommers, L. Brookes, F. Zweng and W. Kargus), SAE - Proceedings of the Ninth Int'l Conf. on Vehicle Structural Mechanics and CAE, 951092, 1995.

· Acoustic Finite Element Model of Elastic Porous Materials, (Y.J. Kang, J.S. Bolton, W. Tsoi and C. Mollo), SAE - Ninth International Conference on Vehicle Structural Mechanics and CAE, Troy, MI, 951087, 1995.

· Comparison of Four Methods for Calculating Vibration Mode Shape Sensitivities, (F. Aslani and N. Vlahopoulos), ADPA/AIAA/ASME/SPIE Conf. on Active Materials and Adaptive Structures, Session 44, 1995.

· Keeping Noise in Bounds, (J. Browell, A. Glaves and R. Stark), Mechanical Engineering, Vol. 117/No. 1, pg 84-86, 1995.

· Helmholtz Resonator:  A Multidimensional Analytical, Computational, and Experimental Study, (A. Selamet and P.M. Radavich), SAE International - Proceedings of the 1995 Noise & Vibration Conference,  Vol. 1 SAE P-291, 951263.

· Investigation of Different Techniques for Quantifying Automotive Panel Noise Radiation, (Steven R. Sorenson), SAE International - Proceedings of the 1995 Noise & Vibration Conference,  Vol. 1 SAE P-291, 951267.

· Structural Noise Induced Vibration Prediction for a Component of a Launch Vehicle, (C. Vallance and N. Vlahopoulos), Inter-Noise 1995 - Newport Beach, CA.

· A Multidimensional Investigation of Circular Concentric Helmholtz Resonators, (A. Selamet, P.M. Radavich, and N.S. Dickey), Inter-Noise 1995 - Newport Beach, CA, pg. 435-440.

· Optimization Strategies for Minimum Interior Noise and Weight Using FEM/BEM, (S.P. Engelstad, K.A. Cunefare, S. Crane, and E.A. Powell), Inter-Noise 1995 - Newport Beach, CA, pg. 1205-1208.

· Advanced Noise Prediction: Acoustic Analysis Using Boundary Elements, J. Browell, A. Glaves, and R. Stark, 13. CAD-FEM Users' Meeting, pg. 1-9, 1995.

1996

· Using Predictive Acoustic Analysis to Evaluate Noise Issues in Under Hood Applications, (M. Hazel, C. Norrey, H. Kikuchi and D. Tres), Int'l Congress & Exposition, Detroit, MI, 960145, 1996.

· Radiated Noise from Tire/Wheel Vibration, (E. Ni, D. S. Snyder, G. F. Walton, N. E. Mallard, G. E. Barron, J. T. Browell, B. N. Aljundi), ASA Tire Conference, Akron, OH, 1996.

· Acoustic Signature Prediction of Combat Vehicle Using Finite and Boundary Element Methods, (Z. Wu, Automated Analysis Corp., E. Shalis, U.S. Army TACOM), Smart Structures and Materials, San Diego, CA, 0-8194-2090-5/96   Vol.2715, 1996.

· Acoustic Vibration Model of a Composite Shell with Sound Absorption Material, (M. R. Dungan, C. Mollo, N. Vlahopoulos and W. Anderson), AIAA Journal, 37th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA-96-1348-CP, 1996.

· The Prediction of Structural Noise Induced Vibration, (C. Vallance and N. Vlahopoulos), Sound & Vibration Magazine, Pg. 30-34, 1996.

· A Tool for Design Minimization of Aircraft Interior Noise, (K. A. Cunefare, S. P. Crane, S. P. Engelstad, & E. A. Powell), AIAA-96-1702.

· Radiation Efficiency Calculations for Verification of Boundary Element Acoustic Codes, (B. K. Gardner, J. S. Bolton, S. T. Raveendra and N. Vlahopoulos), Noise Control Engineering - Journal 44, pg. 215-223, 1996.

· Numerical Computation of Noise Transmitted Inside a Payload Fairing Due to External Reverberant Field Excitation, (N. Vlahopoulos, S. T. Raveendra and B.K. Gardner), Noise-Con 1996, pg. 775-778.

· Simulation of Multi-Frequency Acoustic Problems Using Indirect Boundary Element Method, (S.T. Raveendra, N. Vlahopoulos and C. Mollo), Noise-Con 1996, pg. 745-750.

· Passenger Car Interior Noise Reduction, S.H. Jee, C. Birkett and B. Tsoi, Noise-Con 1996, pg. 223-228.

· A Tool for Design Minimization of Aircraft Interior Noise , (K. A. Cunefare, S. P. Crane, S. P. Engelstad, and E. A. Powell), 2nd AIAA/CEAS Aeroacoustics Conference (17th AIAA Aeroacoustics Conference), State College, Pennsylvania, AIAA Paper No. 96-1702, May 6-8, 1996.

· A New Methodology of Applying Measured Acceleration and Forces or Pressures as Excitation n Powertrain Models for Noise Prediction (N. Vlahopoulos, R. D. Stark III, and W. Kargus IV), J. Acoust. Soc. Am. 99, 2459 (1996).Acoustic Signature Simulation of a Composite Armor Vehicle Using Boundary Element Methods (Z. Wu, S. T. Raveendra, and E. Shalis), J. Acoust. Soc. Am. 100, 2821 (1996).

· A Tool for Design Minimization of Aircraft Interior Noise (K. A. Cunefare, S. P. Crane, S. P. Engelstad, E. A. Powell),  2nd AIAA/CEAS Aeroacoustics Conference (17th AIAA Aeroacoustics Conference), State College, Pennsylvania, AIAA Paper No. 96-1702, 1996.

 

· On the Boundary Element Formulation for Periodic Acoustic Analysis with Impedance Boundary Condition, (S.T. Raveendra and M.B. Konno), BETECH '97 Computational Mechanics Publications, pg. 175-182.

· Various Approaches to Estimating Natural Frequencies of Automobile Cab Cavities from a Boundary Element Model, (P. S. Kondapalli and C. Birkett), NOISE-CON 97, pg. 135-140, 1997.

· Computer Simulation of Insertion Loss of Intake System for Heavy Duty Trucks, (K. Kinoshita, K. Takatsuki, H. Hashimoto and K. Nakagawa), Pacific Conference of Automotive Engineering, 971321, 1997.

· A Formulation of Unequal Impedance Boundary Conditions in Boundary Element Acoustics, (N. Vlahopoulos, S. T. Raveendra), NCA, pp. 337-342, 1997.

· Analysis of Periodic Acoustic Problems with Double Sided Impedance Condition, (S. T. Raveendra), Proceedings of NOISE-CON 97, pp. 145-150, 1997.

· Boundary Element Method for High Frequency Acoustic Analysis, (S.T. Raveendra, J.K. Thompson and C.M. Mollo), Proceedings of the ASME Noise Control and Acoustics Division NCA, pp. 309-313, 1997.

· Design of foam materials to maximize acoustical absorption by using FEA, (B.K. Gardner and M.K. Tandon), NOISE-CON 98, pg.615-620, 1998.Numerical Load Generation, Vibration Analysis, and Acoustic Signature Prediction of a Composite Combat Vehicle (C. Birkett, N. Vlahopoulos, Z. Wu, and E. Shallis), J. Acoust., Soc. Am. 101, 3018 (1977).

· Analysis of Periodic Acoustic Problems with Double-Sided Impedance Condition (S. T. Raveendra and B. Konno), J. Acoust. Soc. Am. 101, 3019, 1997.

1997