International Journal of IMPACT ENGINEERING Volume Contents and Author Index Volume1 1 (1991) ©) PERGAMON PRESS OXFORD @ NEW YORK@SEOUL @ TOKYO INTERNATIONAL JOURNAL OF IMPACT ENGINEERING Editor-in-Chief: Professor Norman Jones Department of Mechanical Engineering, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, U.K. Associate Editor: Professor S. R. Reid Applied Mechanics Division, Department of Mechanical Engineering, UMIST, Manchester M60 1QD, U.K. Founder Editor-in-Chief (1983-1987): Professor W. Johnson Ridge Hall, Chapel-en-le-Frith, via Stockport SK 12 6UD, U.K. EDITORIAL ADVISORY BOARD C. E. Anderson K. Kawata W. J. Stronge Southwest Research Institute Science University of Tokyo University Engineering Department San Antonio, TX 78284, U.S.A. Faculty of Science and Technology University of Cambridge Department of Mechanical Trumpington Street Y.L. Bai Engineering, 2641 Yamazaki Cambridge CB2 1PZ, U.K. Institute of Mechanics, Academia Sinica Noda 278, Japan Peking, People’s Republic of China Paul S. Symonds Division of Engineering S. R. Bodner O.Mahrenholtz . Brown University Faculty of Mechanical Engineering Technische Universitat Providence Technion-Israel Institute of Technology Hamburg-Harburg R102912, U.S.A. Haifa. Israel Eisendorfer Strasse 38 Technikan D-2100 T. Wierzbicki A. A. Deribas Hamburg, Germany Department of Ocean Engineering U.S.S.R. Academy of Sciences Massachusetts Institute of Technology Novosibirsk 90, Russia J.B. Martin Cambridge Department of Civil Engineering MA 02139, U.S.A. W. Goldsmith University of Cape Town College of Engineering R. L. Woodward Private Bag, Rondebosch Mechanical Engineering Department of Defence Cape Town, South Africa University of California Materials Research Laboratories Berkeley, CA 94720, U.S.A. Ascot Vale P. Perzyna Victoria 3032, Australia N. K. 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Accordingly, the publishers, the editorial board and editors and their respective employees, officers and agents accept no responsibility or liability whatsoever for the consequences of any such inaccurate or misleading data, opinion or statement. Copyright © 1992 Pergamon Press plc. Published quarterly Contents Number 1 : . Batra and T. Gobinath Steady state axisymmetric deformations of a thermoviscoplastic rod penetrating a_ thick thermoviscoplastic target . Hetherington and An investigation into the energy absorbed during . Rajagopalan ballistic perforation of composite armours . Stangl and S. A. Meguid Experimental and theoretical evaluation of a novel shock absorber for an electrically powered vehicle . Youngdahl A modal approximation method for strain- hardening beams . Teeling-Smith and The deformation and tearing of thin circular plates . Nurick subjected to impulsive loads . Flockhart, The use of velocity discontinuities to define shear . Woodward, Y. C. Lam failure trajectories in dynamic plastic deformation R. G. O'Donnell . Sorensen, K. D. Kimsey, High velocity penetration of steel targets . Silsby, D. R. Scheffler, . Sherrick and . de Rosset Benjamin Robins’ two essays: Sir John Cope’s arraignment and Lord Anson's A Voyage Round the World Announcement Erratum Number 2 J. F. Wilson 139 Reconstruction of tractor semitrailer accidents using Gauss’s principle of least constraint S. Odeen and B. Lundberg Prediction of impact force by impulse response method IV Contents Yuan-An Su and I. G. Tadjbakhsh 159 Transient vibrations and instability in flexible guns—]. Formulations Yuan-An Su and I. G. Tadjbakhsh 173 Transient vibrations and instability in flexible guns—ll. Response characteristics A. G. Mamalis, D. E. Manolakos, 185 Axial plastic collapse of thin bi-material tubes as G. A. Demosthenous and energy dissipating systems W. Johnson X. D. Wang and T. X. Yu 197 Parkes revisited: effect of elastic deformation at the root of a cantilever beam J.-L. Yang, T. X. Yu and 211 Dynamic response of a rigid-plastic simply- G. Y. Jiang supported imperfect beam subjected to a uniform intense dynamic loading W.P. Walters and 225 An exact solution of the long rod penetration S. B. Segletes equations D. Larom, C. T. Herakovich 233. DOvnamic response of pulse loaded laminated and J. Aboudi composite cylinders Announcements 249 Number 3 Y. Sarig 251 Review: impact loading associated with agricultural products Sh. U. Galiev 277 Unsteady waves in bounded media R.R. Franzen and 289 Observations concerning the penetration P.N. Schneidewind mechanics of tubular hypervelocity penetrators P.C. Chou, J. Hashemi, 305 Experimentation and finite element simulation of A. Chou and H. C. Rogers adiabatic shear bands in controlled penetration impact V.K. Luk and 323 An analytical model on penetration of eroding A. J. Piskutowski long rods into metallic targets Q. M. Li, L. M. Zhao and Experimental results on the counter-intuitive G.T. Yang behaviour of thin clamped beams subjected to projectile impact L. L. Tam and C. R. Calladine Inertia and strain-rate effects in a simple plate- structure under impact loading Contents Vv N. Jones, T. Liu, J. J. Zheng 379 Clamped beam grillages struck transversely by a and W. Q. Shen mass at the centre W. Johnson Some monster guns and_ unconventional variations Announcements Number4 H. Kolsky, P. Rush and 445 Some experimental observations of anomalous P.S. Symonds response of fully clamped beams D.L. Orphal and C. W. Miller Penetration performance of nonideal segmented rods T. Y. Reddy, S. R. Reid and Experimental investigation of inertia effects in R. Barr one-dimensional metal ring systems subjected to end impact—ll. Free-ended systems C. E. Anderson, Jr and An examination of long-rod penetration J.D. Walker Jian Yao and Boquan Song The dynamic elastic buckling of a circular arch with finite displacements and initial imperfections V.V. Astanin, Sh. U. Galiev Cone formation in targets beneath a penetrating and K. B. lvashchenko projectile M. Singh, A. K. Madan, Collapse of conical cavities in aluminium metal H.R. Suneja and M. S. Bola under shock wave impact A. J. Pretlove, M. Ramsden Dynamic effects in progressive failure of and A. G. Atkins structures W. Johnson In search of the end of the life, in India, of Benjamin Robins, F.R.S. Book Review Announcements Author Index Aboudi, J. 233 O'Donnell, R. G. 93 Anderson, C. E., Jr 481 Odeen, S. 149 Astanin, V. V. 515 Orphal, D. L. 457 Atkins, A. G. 539 Piekutowski, A. J. 323 Barr, R. 463 Pretlove, A. J. 539 Batra, R. C. 1 Bola, M. S. 527 Rajagopalan, B. P. 33 Ramsden, M. 539 Calladine, C. R. 349 Reddy, T. Y. 463 Chou, A. 305 Reid, S. R. 463 Chou, P. C. 305 Rogers, H. C. 305 Rossett, W. S. de 107 Demosthenous, G. A. 185 Rush, P. 445 Flockhart, C. J. 93 Sarig, Y. 251 Franzen, R. R. 289 Scheffler, D. R. 107 Schneidewind, P. N. 289 Galiev, Sh. U. 277, 515 Segletes, S. B. 225 Gobinath, T. 1 Shen, W. Q. 379 Sherrick, T. M. 107 Hashemi, J. 305 Silsby, G. F. 107 Herakovich, C. T. 233 Singh, M. 527 Hetherington, J. G. 33 Song, B. 503 Sorensen, B. R. 107 Ivashchenko, K. B. 515 Stangl, P. K. 41 Su, Y.-A. 159, 173 Jiang, G. Y. 211 Suneja, H. R. 527 Johnson, W. 121, 185, 401, 547 Symonds, P. S. 445 Jones, N. 379 Tadjbakhsh, I. G. 159, 173 Kimsey, K. D. 107 Tam, L. L. 349 Kolsky, H. 445 Teeling-Smith, R. G. 77 Lam, Y. C. 93 Walker, J. D. 481 Larom, D. 233 Walters, W. P. 225 Li, Q. M. 341 Wang, X. D. 197 Liu, T. 379 Wilson, J. F. 139 Luk, V. K. 323 Woodward, R. L. 93 Lundberg, B. 149 Yang, G. T. 341 Madan, A. K. 527 Yang, J. L. 211 Mamalis, A. G. 185 Yao, J. 503 Manolakos, D. E. 185 Youngdahl, C. K. 61 Meguid, S. A. 41 Ta, 2. a Ot, on Miller, C. W. 457 Zhao, L. M. 341 Nurick, G. N. 77 Zheng, J. J. 379