r TECHNISCHE U M V E R S l T K l l
ScheepsliYdroBacbanicaArchief
Mekelweg 2, 2628 CD D e l f t
Tel:015-2786873/Faxs2781836
Proceedings
P 1 9 9 9 - 5
V o l u m e 2
Of the Third International Workshop
on Very Large Floating Structures
S
' 9 9
September 22-24,1999
Honolulu, Hawaii, USA
E D I T E D B Y
R. Conglz Ertoklu and Jang Whan Kim
i
The Proceedings of the
Third International Workshop on
Very Large Floating Structures
(VLFS '99)
VOLUME I I
Edited by
R. Cengiz Ertekin and Jang Whan Kim
University of Hawaii at Manoa
Citation for this Publication is:
Proceedings ofthe Third Intemational Workshop on Very large Floating Structures (VLFS '99), Eds. R.C. Ertekin
& J.W. Kim, 22-24 September, 1999, Honolulu, Hawaii, 96822, USA (Volume I or ü). Publishers and Editors: © R. Cengiz Ertekin and Jang Whan Kim 1999 (Volumes I and II)
SOEST, University of Hawaii at Manoa, 2540 Dole Street, Holmes Hall 402, Honolulu, HI 968222, USA.
Printed in the United States of America by Island Printing Centers, 737 Bishop Street, Suite 149, Honolulu, Hawaii 96813, USA.
This work relates to U.S. Department of the Navy Grant NOOO 14-99-1-0988 issued by the Office of Naval Research. The United States Government has a royalty-free license throughout the world in all copyrightable material
contained herein.
The views expressed herein are those ofthe author(s) and do not necessarily reflect the views of any Federal, State or Private Agency or any of their subagencies.
Additional copies of this publication (as a set) may be available from: Sea Grant Communications Office
2525 Correa Road, HIG210 Honolulu, HI 96822, USA Tel:-1-1 (808) 956-7410
C O N T E N T S
Volume I
Preface i International Organizing/Advisory Committee i i
Sponsors i i i Acknowledgement i i i
Mobile Offshore Base: A Seabasing Option (Keynote Address)
Gene Remmers, Robert Taylor, Paul Palo and Ron Brackett 1
Research and Development of Mega-Float (Keynote Address)
Eiichi Isobe 7
The Random and Deterministic Dynamics of "Rogue Waves" in Unidirectional, Deepn water Wave Trains
A.R. Osborne 14
Measurement of Ocean Spatial Coherence by Spaceborne Synthetic Aperture Radar
Frank M. Monaldo 23
Characterizing Wave Coherence with Satelhte-Based Synthetic Aperture Radar
D.T. Walker, D.R. Lyzenga and M. Renouf 29
Hurricane Directional Wave Spectrum Measurement w i t h a Scanning Radar Altimeter
Charles Wayne Wright, Edward J. Walsh, Douglas C. Vandemark, William B. Krabill
and Andrew W. Garcia 37
Estimation of Wind Loads on VLFS of Semisubmersible Type
Sotaro Masanobu, Koichiro Yoshida, Hideyuki Suzuki and Noriaki Oka 42
Mobile Offshore Base (MOB) Design and Analysis Requirements and Hydrodynamic Tools Evaluations and Modeling Guidelines
C. Chester Wung, Makis Manetas and Jun Ying 51
Mobile Offshore Base Concepts - Hybrid: Concrete Hull and Steel Topsides
Gunnar Rognaas, Jun Xu, Severin Lindseth and Finn Rosendahl 60
Module Length Optimization for the Independent Module Mobile Offshore Base
Robert G. Grant, Richard C. Lundberg and Donald Danmeier 70
Verification and Vahdation of Probabilistic Computational Mechanics Methods
Bilal M. Ayyub and Clara Popescu 79
Analytical Tool for Early Design of the Mega-Float Structure Subject to Wave Loads
Kiyoshi Inoue 89
A Time-Domain Green Function Method for Transient Problems of a Pontoon-Type VLFS
Masashi Kashiwagi 97
Linear Frequency Domain Hydroelastic Analysis for McDermott's Mobile Offshore Base Using W A M I T
D. Kim, L. Chen and Z. Blaszkowski 105
Wave-Induced Motion of an Elastic Floating Plate in the Sea with a Breakwater
Shuichi Nagata, Hisafumi Yoshida, Takashi Fujita and Hiroshi Isshiki 114
Time domain Analysis of Very Large Floating Structures in Irregular Waves
Hisaaki Maeda, Tomoki Ikoma. Koichi Masuda and Chang-Kyu Rheem 123
Effect of Wave D r i f t Forces on Huge Floating Structures in Wind and Waves
Y. Inoue, Islam M. Rafiqul and M. Murai 132
Wave Effects on Large Floating Structures w i t h A i r Cushions
C.-H. Lee and J.N. Newman 139
A Study on Estimation of Wave Exciting Forces on Floating Structure under Tsunami
Koichi Masuda and Tsuyoshi Miyazaki 149
Non-hnear Time-domain Response of Connected Mobile Offshore Base Units Using Linear Frequency Domain Hydrodynamic Forces
Michael J. Edwards and David Raj 155
A Numerical Study of Nonlinear Wave Interaction in Irregular Seas: Irrotational Green-Naghdi Model
Jang Whan Kim and R. Cengiz Ertekin 162
Environmental Specification for the Mobile Offshore Base (MOB)
Stuart F. Pawsey and Makis Manetas 172
Storm W ave Topography: Creating a Design Engineer's Atlas of Realistic Sea Surface Features from SRA Measurements
Leon E. Borgman, Ronald W. Marrs, Samantha L. Reif and Edward J. Walsh . . . 181
Wave Characterization for Small Boat Loading at a Mobile Offshore Base (MOB)
Richard C. Lundberg and Robert G. Grant 190
The Use of Design Sjmthesis Tools for Conducting Trade and Cost Studies for Very-Large Floating Structures
Daniel G. Bagnell and Brian G. Forstell 198
Airfield Operational Requirements for a Mobile Offshore Base
J.N. Polky 206
The Behavior of an Airplane Taking Off From and Landing On a VLFS in Rough Sea Condition
Hisayoshi Endo 212
MOB Stability Assessment
Biswajit Bandyopadhyay and Balji Menon 220
Simulation as a Tool for Cargo Rate Determination
M. Ken Cyhulsky and Richard Currie 229
Performance Assessment of Mobile Offshore Bases: Operational Availability and Probability of Mission Success Evaluation
A.K. Jha, L-C. Lee and R.C. Lundberg 238
Structural Design Methodology of VLFS from the ViewTDoint of Draamic Response Characteristics
K. lijima, H. Suzuki and K. Yoshida 249
Conceptual Design and Hydroelastic Behavior of a 4000-m Semi-submersible Type VLFS
Kentaro Kobayashi, Katsunori Shimazaki, Koichiro Yoshida and Kazuhiro lijima . 259
Effect of Attachment of a Horizontal/Vertical Plate on the Wave Response of a VLFS
Hidemi Ohta, Tadashi Torii, Nobuyuki Hayashi, Eiichi Watanabe, Tomoaki Utsunomiya,
Kinji Sekita and Shunji Sunahara 265
Observation of Vertical Heat Transfer Through a Mega Float Model i n Tokyo Bay
Hiroshi Irie, Takaharu Hamada and Yusaku Kyozuka 275
Environmental Considerations for Design and Acquisition of a Mobile Offshore Base
Gilbert Jones, Steve Evans. Daniel Kelley and Gary Rahl 283
The Numerical simulation of Water Mass Surrounding the Very Large Floating Struc-ture with the Water Particles Tracing Method
Takaharu Hamada and Masataka Fujino 289
A Study on the Effects of a Very Large Floating Structure on Marine Environment
Daisuke Kitazawa and Masataka Fujino 297
Development of a Safety Guide for Artificial Fixed-Floating Base Structures
Susumu Harada 307
High Performance Concrete, - An Ideal Material for Large Floating Structures
Lars Bjerkeli, Jan Munkeby and Finn Rosendahl 316
Lightweight Composite Truss Section Decking
Richard T. Brown and Abdul-Hamid Zureick 321
Non-Linear Time-domain Structural Finite Element Analysis of a Mobile Offshore Base Using Distributed Hydrodynamic Loads
David Raj and Michael J. Edwards 3 3 I
Application of the Large Amplitude Motion Program (LAMP) for Design and Oper-ation of a Mobile Offshore Base (MOB)
Kenneth Weems, Woei-Min Lin, Sheguang Zhang and Thomas Treakle 339
Analyzing Mobile Offshore Bases using Accelerated Boundary-Element Methods
D. Kring, T. Korsmeyer, J. Singer and J. W^ite 348
Motions of a Movable Floating Bridge in Waves
Shuichi Nagata, Seijiro Miyake, Takashi Fujita, Hisafumi Yoshida, Hiroshi Tanaka,
Tadaaki Maruyama and Shigeru Ueda 358
ReUabihty Analysis of Fracture-Based Fatigue Life for Mobile Offshore Base Connec-tors
D.V. Ramsamooj and T.A. Shugar 367
Reliability-Based Fatigue Analysis and Design of Floating Structures
A.H-S. Ang, M.C. Cheung, T.A. Shugar and J.D. Femie 375
Combining Low and High Frequency Loads Acting on Large Floating Structures
Alaa E. Mansour 381
ReHability-Based Design for Fatigue of Marine Structures
Ibrahim A. Assakkaf and Bilal M. Ayyub 388
Developing Target Reliability for Novel Structures: the Case of the Mobile Offshore Base
Baidurya Bhattacharya, Kai-tung Ma and Roger Basu 398
Mobile Offshore Base ( M O B ) Tactical A i r Operations Credible Worst Case
Donald R. Bouchoux and John M. Lillard 408
On the Global Response of a Mobile Offshore Base
Suqin Wang and Balji Menon 415
Response of Ships Moored to a Mobile Offshore Base
David Raj and Michael J. Edwards 423
Mission Requirements for the Mobile Offshore Base (MOB)
Phillippe M. Lopez 433
Author Index 443
Volume I I
A Hierarchical Control Architecture for Mobile Offshore Bases
Anouck Girard, J. Karl Hedrick and J. Borges de Sousa 447
Design and Characterization of a Small-Scale Azimuthing Thruster for a M.O.B. Module
Stephen C. Spry, Daniel M. Empey and William C. Webster 457
Nonlinear Model Predictive Control Design for Coordinated Dynamic Positioning of a Multi-Platform Mobile Offshore Base
Pablo Arambel. Raman K. Mehra, Jayesh Amin. Vikram Manikonda and Murali
Gopinathan 464
The MOB SHIFT Simulation Framework
J. Borges de Sousa, A. Girard and N. Kourjanskaia 474
Hydroelastic Scaling
M.P. Tulin 483
Mobile Offshore Base Model Test Design Philosophy
Timothy Smith, Jerome Sikora and John Atwell 488
Demonstrative Experiments on Airport Functions in Mega-Float Research Phase 2
. T. Tateyama - 498
Evaluation of Ground Structure of "Megafloat" Using W i t h Scale Model
Hisashi Yokoyama 506
Physiced Model Tests on a Generic M O B IVlodule
David Kriebel and Louise Wallendorf 511
A n Experimental Study on the Hydroelastic Behaviour of Very Large Floating Struc-tures
H. Shin, H.Y. Lee, Y.S. Yang, T.Y. Chung and J.H. Chung 521
Uncertaint}' Analysis for the Mobile Offshore Base Model Test
William M. Richardson 528
Hydrodynamic Computational Tools Validation against Mobile Offshore Base (MOB) Model Testing
C. Chester Wung. Makis Manetas and Jun Ying 538
Model Experiments on Swinging of a Movable Floating Bridge in waves
Masanori Kobayashi, Motohiro Hineno, Kiyoshi Shimada, Takashi Hyodo. Atsushi
Kawamoto, Shigeru Ueda and Tadaaki Maruyama 546
Experiments of a Very Large Floating Structure in a very small water tank
Hiroshi Kagemoto, Motohiko Murai, Masataka Fujino, Takayoshi Kato and Yoshikazu
Kondo 555
MOB SBU Transit Draft Dynamics and Stability Analytic Study
J. Falzarano, U. Kalyan, W. Rodrigues, R. Vassilev and D. Kriebel 562
The Behavior of a Large Air-supported MOB at Sea
J.A. Pinkster and E.J.A. Meevers Scholte 567
Relative Wave Motion and Shipping Water on Deck of Mega-float Structure
Yoshifumi Takaishi. Koichi Masuda and Koji Minemura 577
Optimization of the Strength Distribution for a Model of Large-Scale Floating Run-way
Jian Ma and William C. Webster 586
A Study on Reliability-Based Design Systems of Very Large Floating Structures under Extreme Wave Loads
Alejandro L. Talavera, Koji Masaoka, Takashi Tsubogo, Hiroo Okada, and Yoshisada
Murotsu 594
Local Structural Analysis of Large Floating Structures
Hiroshi Sasajima 602
Safety Target of Very Large Floating Structure Used as a Floating Airport
Hideyuki Suzuki 607
Structural Modeling for Global Response Analysis of VLFS
Masahiko Fujikubo and Tetsuya Yao 613
A Comparative Study of RMFC and FEA Models for the Wave-Induced Response of a MOB
H.R. Riggs, R.C. Ertekin and T.R.J. Mills 622
A Computational Study of the Variation of Connection Forces with Heading in Large, Articulated, Semi-submersible Ocean Structures
Eric Weybrant, Vincent Caccese and Richard H. Messier 632
A Compliant Connector Concept for the Mobile Offshore Base
Mark S. Derstine and Richard T. Brown 641
MOB Connector Development
J.A. Haney 651
Prediction of the Fracture-Based Fatigue Life of Connectors for the Mobile Offshore Base
D.V. Ramsamooj and T.A. Shugar • 660
Suction Piles for Mooring of Mobile Offshore Bases
S. Bang, T. Preber, Y. Cho, J. Thomason, S.R. Karnoski and R.J. Taylor 670
Concepts for Mooring U.S. Military Ships at a Mobile Offshore Base
William N. Seelig and J. Robert Pittman 679
Progressive Collapse Behavior of Mooring System of VLFS
Taro Ide, Hideyuki Suzuki, Noriaki Oka and Koichiro Yoshida 684
A Study of Mooring Systems Design for Container Terminal by Mega-Float
Satoru Shiraishi, Kenji Ishihara, Kunihiro Ikegami, and Shigeru Okata 691
Assessment of the Construction Feasibility of the Mobile Offshore Base
William J. Bender, Bilal M. Ayyub and Andrew N. Blair 699
Mechanization of Underwater Wet Welding
Yoji Ogawa 708
Statistical Study of Working Conditions on Construction of a Very Large Floating Structure in Tokyo Bay
Mikio Takaki, and Xin Lin 717
Accuracy management under construction of Very Large Floating Structures
Yasuo Yamashita, Shunichi Kawachi, Yoshitaka Kinoshita and Kiochi Okamoto . . 725
Fuzzy Stocheistic Cost and Schedule Risk Analysis: MOB Case Study
Andrew Nyakaana Blair, Bilal M. Ayyub and William J. Bender 733
On a Measurement System for the On-sea Experiment of a 1000-m Mega-Float Model
Kentaro Kobayashi and Chiaki Sato 743
Design and Construction of Mooring System for lOOOM VLFS As Mega-Float on Sea Test Model
Tadashi Torii, Kazuya Isshiki, Masanori Kobayashi, Kiyoshi Shimada and Shuichi
Nagata 748
Seismic Behaviors of a Horizontally Elastic VLFS Supported with Dolphins
Yoshiyasu Watanabe 758
Experimental Study on Elastic Response of a Movable Floating Bridge i n W'aves
Shigeru Ueda, Tadaaki Maruyama, Kunihiro Ikegami, Hideyuki Seto, Naoki
Ku-mamoto and Koichi Inoue 766
Physical Model Design for M O B Hydroelastic Tests
James L. Rodd, Edward A. Devine, Daniel D. Bruchman 776
A n Anti-Motion Device for a Very Large Floating Structure
Ken Takagi, Kiyoshi Shimada and Tetsuro Ikebuchi 786
Response of Multiple Structures Including Interaction
Subrata K. Chakrabarti . ^ - . . . 795
Numerical Calculation Method of Hydroelastic Response of a Pontoon-Type VLFS Close to a Breakwater
Shigeo Ohmatsu gQ5
SeaBase, the Flexible Alternative
Erik Pettersen 812
On the Hydroelastic Behavior of 2-Dimensional Articulated Plates
Dingwu Xia, Jang Whan Kim and R. Cengiz Ertekin 819
A Numerical Study on Environmental Impact Assessment of Mega-Float of Japan
Yusaku Kyozuka, Satoshi Kato and Hiroyuki Nakagawa 829
Technical Specification and Maintenance Technology for Long-term Durability of Mega-Float
H. Sugimoto and N. Yamada 838
Performance Criteria for Wave Energy Dissipation Floating Structures to Protect Coastal and Offshore Structures
Michael A. Champ, George Hagerman, Philip Y. Kim, Yong M. Cho, Paul Nelson,
Joseph R. Vadus and J. Bradford Mooney, Jr. 845
Analysis of Wave D r i f t Damping of a VLFS W i t h Shallow Draft
Eiichi Watanabe, Tomoaki Utsunomiya and Akira Kubota 850
Added Mass Ratio of Elastic Plate on Water by Experimental Modal Analysis
Hiroaki Eto, Katsuro Hayashi, Osamu Saijo and Miyo Nozawa 858
Motion Compensation of a Very Large Floating Structure by Utilizing Pneumatic Pressure
Ning Ma and Tsugukiyo Hirayama 865
A Checklist for Assessing Environmental Risks from Very Large Floating Structures (VLFS)
Michael A. Champ, John Komuc, Marcia Thompson, Jill Zoiss, Jill Lomeli and
Shawn M. Hynes 874
Hydroelastic Response Analysis of Pontoon Type Very Large Floating Structures by the Component Mode Synthesis Method
Byung-Hyun Kim, Jung-Hoon Chung and Tae-Young Chung 881
Design k. Construction of a Floating Swing Bridge in Osaka
Eiichi Watanabe, Tadaaki Maruyama, Hiroshi Tanaka and Sumio Takeda 888
Hydroelastic Response Analysis of Very Large Floating Structures with Various Shapes
Yukitka Yasuzawa and Koji Kagawa 898
A Localized Finite-Element Analj'sis on a Floating Runway in a Harbor
Kwang June Bai, Byeong Suk Yoo, Jang WTian Kim 906
Author Index 916
