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Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-105
... ABSTRACT Sloshing impact loads have been reported repeatedly throughout the lifetime of the ship. However, a study on the mechanical performance of polyurethane foam with repetitive impact load has not been conducted despite the necessity of evaluation. Therefore, in this study, the effect...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-016
...Response of a porous seabed under natural dynamic loading using Meshfree method Shuang Han1, Chia Cheng Tsai2, and Dong-Sheng Jeng1 1 School of Engineering & Built Environment, Griffith University Gold Coast Campus, Australia 2 Department of Marine Environmental Engineering, National Kaohsiung...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-022
... loading submerged breakwater soil model artificial intelligence effective normal stress interaction liquefaction potential liquefaction submerged permeable breakwater pore pressure shear stress breakwater numerical model upstream oil & gas bragg effect reservoir...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-017
...Effects of principal stress rotation on soil response under natural loadings Zhengxu Li1, Hongyi Zhao2, Jianfeng Zhu3 and D-S Jeng1 1 School of Engineering & Built Environment, Griffith University, Gold Coast Campus, Queensland, Australia 2 College of harbour,Coastal and Offshore Engineering, Hohai...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-151
... Dynamic Response of Pipeline in Touchdown Zone under complicated loadings Yun-yun Dai, Jing Zhou State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology. Dalian, Liaoning, China ABSTRACT The touchdown zone (TDZ) is the most important part of the steel catenary...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-015
... Abstract Offshore structures are exposed to random wave loading in the ocean environment and hence the probability distribution of the extreme values of their response to wave loading is required for their safe and economical design. Due to nonlinearity of the drag component of Morison's wave...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-082
... for the prediction of residual pore-pressure under irregular cyclic loadings. The reliability of the proposed model was finally verified through the comparisons with previous experimental results. porepressure liquefaction residual porepressure sumer stress-based model oscillatory pore-pressure shear...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-024
... of the new variables, asymptotic expansions and integral transformations. The influence of the basin depth, ice plate thickness, source submergence depth, and bottom slope on the plate deflections is analyzed. solid line correspond plate deflection wave height elastic plate loading equation...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-084
... loading seabed surface coupling model water pressure experiment reservoir characterization equation wave-seabed interaction analytical solution plasticity mechanism upstream oil & gas seabed model wave model A Coupling Model for Waves Propagating over A Porous Seabed C. C Liao1 D-S...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-100
... to get the design wave parameters for critical wave loads. Then, wave loads were mapped to the global structure finite element model, the tendons were modeled as spring element which represents 6 degrees of freedom and rotations. Stress responses are computed by SESAM using the design wave approach...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-042
... ABSTRACT: The principal aim of this paper is to study the fracture behavior in tubular connection of offshore platforms (Brace Caisson) subjected to wave loading. Fracture mechanics aspect on the assessment of crack tip severity under cyclic loading condition is explored. A series of 3D...
Proceedings Papers

Paper presented at the The Sixth ISOPE Pacific/Asia Offshore Mechanics Symposium, September 12–16, 2004
Paper Number: ISOPE-P-04-020
... ABSTRACT: The paper deals with the linear axial symmetry task concerning the effect of an impulsive load on a viscoelastic ice plate superjacent the elastic basis, i.e. water. Analysis is made of the following factors: the effect of ice plate thickness, relaxation time, variable depth...
Proceedings Papers

Paper presented at the The Sixth ISOPE Pacific/Asia Offshore Mechanics Symposium, September 12–16, 2004
Paper Number: ISOPE-P-04-022
... during other seasons are exposed to seismic loads at a level of 9 points. russian shelf withstand ice loading ice-resistant platform substructure upstream oil & gas loading sea bottom continental shelf tension tie platform offshore ice-resistant platform displacement subsea system...
Proceedings Papers

Paper presented at the The Sixth ISOPE Pacific/Asia Offshore Mechanics Symposium, September 12–16, 2004
Paper Number: ISOPE-P-04-038
... ABSTRACT: Wind loading on large-scale floating rotor of recently suggested Wind Energy Marine Unit (WEMU) with vertical axis and rotary blades is investigated in the paper. Blades have promising concave-convex airfoil with leading-edge and trailing-edge flaps. Calculations are carried out...
Proceedings Papers

Paper presented at the The Fifth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 17–20, 2002
Paper Number: ISOPE-P-02-002
... needs to be developed to improve the performance of the DP system. positioning system thruster dynamic positioning vector loading thrust allocation modulation fpso shuttle tanker dp system kalman filter allocation controller motion response upstream oil & gas choi matrix...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-147
... ABSTRACT: This paper reports the results of a systematic study of stresses in tubular Y and T-joints based on nearly 900 finite element analyses using thin-shell elements. These encompass a wide range of joint geometries under axial, in-plane and out-of-plane loading. For each mode of loading...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-098
... for evaluating impact energy and forces are proposed. INTRODUCTION In the design of detached piers or platforms in unprotected water areas, the impact loading of ship in waves upon the piers is one of the important problems that are mostly concerned by engineers. Recently, a model test investigating...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-146
... In the chord or In the brace depending on the type of joint, its geometry, and loading. Stress concentration factor (SCF) is the ratio of the maximum stress at the joint to the nominal stress in the brace away from the joint. Fatigue cracks tend to initiate at the tubular intersections where the largest...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-141
... ABSTRACT: This paper is concerned with structural reliability of an offshore guyed tower for large storm events. Analysis is conducted in the light of the failure of an anchor pile of the guy line system. Two failure modes for the extreme and the cyclic loadings at an anchor pile...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-051
... ABSTRACT: Oil and gas pipeline structural members such as pipes, fittings and their welds would experience various loading as determined by pipeline purpose and mode of operation. The most complicated loading is that experienced by pumping and compressor station pipeline members. Depending...

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