Hydroelasticity '98
HYDROELASTICITY IN MARINE TECHNOLOGY
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PROCEEDINGS OF T H E SECOND INTERNATIONAL CONFERENCE
ON HYDROELASTICITY IN MARINE TECHNOLOGY
FUKUOKA/ JAPAN/ 1-3 D E C E M B E R 1998
Hydroelasticity in Marine
Technology
Edited by
M. Kashiwagi
RIAM, Kyushu University
W. Koterayama
RIAM, Kyushu University
M. Ohkusu
RIAM, Kyushu University
Research Institute for Applied Mechanics (RIAM),
Kyushu University/ FUKUOKA/JAPAN/1998
The texts of the various papers in this volume were set individually by typists under the superx-ision of each of the authors concerned.
Published by
Yomei Printing Cooperative Society, Fukuoka, JAPAN (Tel: +81-92-582-5229, Fax: +81-92-582-5281)
ISBN 4-87780-001-8
Copyright©]998, R I A M , Kyushu University A l l Rights Reserved
Hydroelaslkity In Marine Technology, Kashlviagl el al (eds)©1998 RIAM, Kyushu University
Contents
Preface xi
Keynote lectures
Hydroelasticity of high-speed vessels 1
O. M. Faltinsen
Optimal structure for large-scale floating runways 15
W. C. Webster
VLFS -1
An assessment of hydroelasticity for very large hinged vessels 27
C.-H. Lee & J. N. Newman
3D hydroelastic analysis of module linked large floating structures using quadratic 37 BE-FE hybrid model
T. Hamamoto
An eigenfunction-expansion method for predicting hydroelastic behavior of 47 a shallow-draft VLFS
/ W. Kim & R. C. Ertekin
Hydroelasticity of curved flexible slender structures 61
A. R. Galper & T. Milch
VLFS-n
A boundary element method to describe the excitation of waves in a very large 69
floating flexible platform
A. J. Hermans
Structural drag and deformation of a moving load on a floating plate 77
R. W. Yetmg & J. W. Kim
Numerical calculation of hydroelastic behavior of VLFS in time domain 89
S. Ohmalsu
Effect of short-crested irregular waves on response of a very large floating structure 99
N. Ma&T. Hirayama
Impact problems
Unsteady hydroelasticity of floating plates 109
A. Korobkin
A time-domain simulation method for hydroelastic impact problem 119
K. Tanizawa
Impact of rigid and elastic systems over the water surface 129
A. lafrati, A. Carcaterra, E. Ciappi & E. F. Campana
On the impact phenomenon of an elastic plate on a water surface in small attack angles 139
S. Okada & Y. Sumi Array of cylinders
Numerical study of complex flow around an array of circular cylinders in various 145 arrangements
S. Etienne, Y. M. Sedan & B. Molin
Resonances in wave diffraction/radiation for arrays of elastically-connected cylinders 155
T. Utsunomiya & R. Eatock Taylor
Hydrodynamic interactions among a great number of columns supporting a very large 165 flexible structure
M. Kashiwagi
VLFS-m
Hydroelastic behavior of a large floating platform of elongated form on head waves 177 in shallow water
M. Ohkusu & Y. Namba
A hybrid element approach to hydroelastic behavior of a very large floating structure 185 in regular waves
H. Seta & M. Ochi
An analysis of the hydroelastic behavior of large floating structures in oblique waves 195
/. H. Sim & H. S. Choi
VLFS-IV
Some efficient calculation techniques for hydroelastic analyses of a very large floating 201 structure in waves
H. Kagemoto, M. Fujino, M. Murai & T. Zhu
Hydroelastic analysis of semi-submersible type VLFS capable of detailed structural analysis 211
K. lijima, K. Yoshida & H. Suzuki
On B-spline element methods for predicting the hydroelastic responses of a very large 219 floating structure in waves
Reduction of the motion of an elastic floating plate in waves by breakwaters 229
S. Nagata, H. Yoshida, T. Fujita & H. Isshiki
VLFS- V
The oblique incidence of surface waves onto the leastic band 239
/. v. Sturova
The response of VLFS with anisotropic rigidity in waves 247 T. Mikami, M . Kobayashi, K. Shimada, S. Miyajima, M . Kashiwagi & M . Ohkusu
Timoshenko equation of vibration for plate-like floating structures 255
H. Endo & K. Yoshida
Modal analysis experiment of clamped-free elastic cylindrical shell surrounded by water 265
O. Saijo, A. Nishida & F. Miyashita
Cable, towed vehicles
High frequency motion components in a large dynamic duty umbilical 273 C. J. Lyons, H. H. Cook & M. Ashworth
A novel computer simulator for cable-towed submerged vehicles 283 Z. H. Zhu & B. C. Morrow
Prediction of towing cable tension and comparison with field experiment 293
W. Koterayama, N. Yamawaki, T. Yokobiki & H. Ohe
Risers and pipelines
Deep water drilling riser systems
K. Ishida, M. Ohashi, H. Fujita & H. Yasukawa
301
Damping of VIV-induced axial vibration in deep sea risers 309
E. Huse & G. Kleiven
Axial stress-control of pipe string for mining manganese nodules in deep sea 317 by using the string with non-uniform cross section
G. Cui, K. Aso & H. Doki
Flow-induced vibration
Vortex induced vibrations of pipe in high waves. Field measurements 325
N.-E. Ottesen Hansen & B. Pedersen
Added mass and oscillation frequency for a circular cylinder subjected to vortex 335 induced vibrations and external disturbance
K. Vikestad, C. M. Larsen & J. K. Vandiver
A comparative validation study of Navier-Stokes codes applied on vortex induced vibrations 345 / R. Krokstad, F Solaas & J. Dalheim
Third-harmonic diffraction forces on a truncated cylinder 357
S. Kato & B. Teng
Seaquake and Tsunami
Wave and earthquake response of large offshore platforms
K. Kawano & K. Venkataramana
365
A study on prediction method of time history response of very large floating offshore structure by sea shock force
375
M. Bessho, H. Maeda, K. Masuda & K. Shimizu
Experimental and Numerical study on the hydroelastic behavior of VLFS under Tsunami
S. Sakai, X. Liu, M. Sasamoto & T. Kagesa
385
Wave response analysis of an elastic floating plate in a weak current
E. Watanabe, T. Utsunomiya & S. Taenaka
393
High-speed vessels
Forward speed effect on the structure responses of a ship travelling in waves
S. Du, Y.Wu&W.G. Price
401
Wave-induced hydroelastic response of fast monohull displacement ships
J. J. Jensen & Z Wang
411
A practical method for the hydroelastically pseudo-nonlinear ship structural dynamic response in regular waves
Y. Inoue, K. A. Hafez & M. Arai
419
Ship-related problems
Analysis of hydroelastic effects on propeller performance in steady and unsteady flows
D. J. Georgiev & M. Ikehata
429
Coupled low frequency responses of vessels and their non-linear moorings in random waves
A. Sarkar & R. Eatock Taylor
439
Numerical solution of the flow past a freely oscillating body in waves and current
G. Graziani, M. Landrini & O. M. Faltinsen
449
SES and other vessels
Computation of cobblestone effect with unsteady viscous flow under a stem seal bag of a SES
N. Hirata & 0. M. Faltinsen
461
Sea trial test results on the wear characteristics of SES bow seal fingers
K. Yamakita & H. Itoh
471
Comparison of simulated global stresses with full-scale measurements on an aluminium fast patrol vessel
R Kannari, P. Klinge, S. Rintala, T. Karppinen, T.P.J. Mikkola & A. Rantanen
477
Time-domain analysis of ship motions and hydrodynamic pressures on a ship hull in waves
L Z. Cong, Z / Huang, S. Ando & C. C. Hsiung
485
viii
Elastic structures
The behaviour of large air cushion supported structures in waves 497
J. A. Pinlcster, A. Fauzi, Y. Inoue & S. Tabeta
Hydroelastic coupling of beam structural model with 3D hydrodynamic model 507 5. Malenica
Statistical linearization of cable equations: an application to a guyed tower offshore structure 513
A. Culla & A. Carcaterra
Author index 522
