CONTENTS OFVOLUME 52 NUMBER 3,8 JUNE 1977 . . PERRIN,R., A group theoretical approach to warble in ornamented bells . TONIN, R. and BIES, D. A., Time-averaged holography for the study of threedimensional vibrations . . . . . . . . . . . RICE, C. G., Investigation of the trade-off effects of aircraft noise and number . RICE, C. G., Development of cumulative noise measure for the prediction of general annoyance in an average population . . . . . . MARPLES,V., On the frequency content of the surface vibration of a diesel engine HALL, F. L. and TAYLOR,S. M., Predicting community response to road traffic noise . . . TEMKIN,S., A model for thunder based on heat addition RYLANDER,R., SJ~STED,E. and BJ~RKMAN,M., Laboratory studies on traffic noise annoyance . . . . . . . . . ANDERSON,J. S., The effect of an air flow on a single side branch Helmholtz resonator in a circular duct . . . . . . . BRAUN, S., Computation of changing variances . . . . . YOUSRI,S. N. and FAHY,F. J., Distorted cylindrical shell response to internal acoustic excitation below the cut-off frequency . . . . .
307 315 325 345 365 387 401 415
423 433 441
Letters to the Editor
EVENSEN,D. A., Comment on “Large amplitude asymmetric vibrations of some thin shells of revolution” . . . . . . . . . . . , KANAKA RAJU, K. and VENKATESWARA RAO, G., Authors’ reply . . . KESHAVAN, N. R., Vortex shedding noise of aerofoils in smooth flow . NIJMBER4,22 JUNE 1977 W., Attenuation of sound in multi-element acoustically lined rectangular ducts in the absence of mean flow . . . . . . TODA, A. and KOMATSU, K., Vibrations of circular cylindrical shells with cutouts . PRABHAKARA, M. K. and CHIA, C. Y., Non-linear flexural vibrations of orthotropic rectangular plates . . . . . . . . . . DOWELL,E. H. ,GORMAN,G. F. III, and SMITH,D. A., Acoustoelasticity : general theory, acoustic natural modes and forced response to sinusoidal excitation, including comparisons with experiment . . . . . . . . WOOD, A. D. and ZAMAN,F. D., Free vibrations of randomly inhomogeneous plates. GERSCH,W. and YONEMOTO, J., Synthesis of multivariate random vibration systems: a two-stage least squares AR-MA model approach . . . KWAN, A. S. H. and Ko, N. W. M., Covariance measurements in the initial region of coaxial jets . . . . . . . . . . . PAPPALARDO, M., Some experimental data for the design of acoustic arrays . OHTA,M., YAMAGUCHI, Y. and IWASHIGE,H., A statistical theory for road traffic noise based on the composition of component response waves and its experimental confirmation . . . . . . . . . . .
453 454 456
KOCH,
Letter
459 497 511
519 543 553 567 579
587
to the Editor
JACQUOT,R. G.
and LINDSAY,J. E., On the influence of Poisson’s ratio on circular plate natural frequencies . . . . . . . . . . .
ANNOUNCEMENTS
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BOOK REVIEW . . . . HUMAN RESPONSETO VIBRATION.
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INDEXTOVoLuME52
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603 607 613 615 619
CONTENTS
OF VOLUME
52
NUMBER1,8 MAY 1977
LOMAS,N. S. and HAYEK,S. I., Vibration and acoustic radiation of elastically supported . . . . . . . . . . rectangular plates . AHMADI,G., On the stability of systems of coupled partial differential equations with random excitation . . . . . . . . . . . SOBCZYK,K., MACVEAN,D. B. and ROBSON,J. D., Response to profile-imposed excitation with randomly varying traversal velocity . . . . MODI,V. J. and POON,D. T., Forced response of neutrally buoyant inflated viscoelastic cantilevers to ocean waves . . . . . . . . . MAHABALIRAJA, BOYD,D. E. and BRUGH,R. L., Vibrations of stiffened cylinders with cutouts . . . . . . . . . . . HADDAD,S. D. and FORTESCUE, P. W., Simulating piston slap by an analogue computer MARTIN,N. C. and LEEHEY,P., Low wavenumber wall pressure measurements using a . . . . . rectangular membrane as a spatial filter . . . . RIBNER,H. S., On the role of the shear term in jet noise
1 27 37 51 65 79 95
121
Letters to the Edito,
FILIPPI, P., Acoustic diffraction by a half-plane with discontinuous boundary conditions . . . . . . . . . . . . BHATTACHARYA, A. P., UPADHYAYA, P. C. and BHOWMIC,K. N., Large amplitude vibration of sectorial plates . . . . . . . . EVERSTINE,G. C., Comment on “On symmetries and antisymmetries in solving . . . vibration problems using high precision finite elements” . SHASTRY,B. P., MURTIIY,T. V. G. K. and VENKATESWARA RAO, G., Authors’ reply LUMSDAINE, E., Calculation of pressure reflection ratio . . . . . . . . . HUNDAL,M. S., Optimum damping for impact absorbers . YEOW,K. W., Decay of sound levels with distance from a steady source observed in a built-up area . . . . . . . . . . NUMBER2,22 MAY 1977 SATHYAMOORTHY, M., Shear and rotatory inertia effects on large amplitude vibration of skew plates, . . . . . . . . . . TIWARI,R. N. and SUBRAMANIAN, R., Multiple time scaling for analysis of third order non-linear differential equations . . . . . . . . . . . . MAIDANIK,G., Some elements in statistical energy analysis . RAMAMURTI, V. and PATTABIRAMAN, J., Dynamic behaviour of a cylindrical shell with a cutout . . . . . . . . . . . . CRESPODA SILVA,M. R. M., The effect of spin on the non-linear resonant motions of a dynamical system . . . . . . . . . . TAM, C. K. W. and REDDY,N. N., Sound generated in the vicinity of the trailing edge of an upper surface blown flap . . . . . . . NAKAMURA, Y. and TOMONARI, Y., Galloping of rectangular prisms in a smooth and in a turbulent flow . . . . . . . . . . . LAURA,P. A. A., FILIPICH, C. and SANTOS,R. D., Static and dynamic behavior of . circular plates of variable thickness elastically restrained along the edges RAO, D. K., Vibration of short sandwich beams . . . . . . . FREEDMAN,A., The use of linear system theory in acoustic radiation and scattering analysis. . . . . . . . . . . . . DOKUMACI,E., Pre-twisted beam elements based on approximation of displacements in fixed directions . BOHN,M. S., Response of a subsonic nozzle to acoustic and entropy disturbances . CUMMINGS,A., High temperature effects on the radiation impedance of an unflanged duct exit . . . . . . . . . . . ERRATA . . . . . . . . . . . . .
133 137 143 144 145 148 151
155 165 171 193 201 211 233
243 253 265 277 283 299 305