... required seismic design for two levels of earthquakes: Extreme Level Earthquake (ELE) with a return period of 400 years and Abnormal Level Earthquake (ALE) event with a return period of 10,000 years. Site Response Analysis. The site-specific PSHA was performed to develop the response spectra for stiff soil...

... Site response analysis is essential in assessing the offshore pipeline integrity as well as the stability of subsea structures during an earthquake event. Depending on the functionality, the length of offshore pipeline can be tens to hundreds of kilometers running through different underlying...

... are quantified. A case study is provided to illustrate an application of the predictive equations to seismic response analysis and the importance of considering confining stress. The predictive equations of normalized shear modulus reduction G/G max and Damping ratio curves are easy to apply in practice...

... with those from analysis of all sea states. Guidelines for the application of the methodology are provided. characteristic spectra application artificial intelligence directional wave spectra structural response machine learning estimation wave height wind sea response analysis cluster...

.... continental slope upstream oil & gas plastic flow failure mode probability reservoir characterization configuration response analysis mass flow earthquake geohazard assessment interference otc 20022 displacement loading assessment offshore pipeline offshore technology conference...

... with respect to hydrostatic creep and water absorption become key factors. otc 17224 response analysis riser cross-section production riser gas export riser riser configuration karunakaran riser length upstream oil & gas kristoffersen fatigue analysis coating weight-optimized scr...

... response analysis protection pool fire application assessment integrity scenario hazard analysis reduction fire scenario deluge structural integrity case study collapse analysis hazard upstream oil & gas OTC 16424 Integrated Structural and Safety Engineering for Fire and Blast Design...

... technology conference interaction riser configuration thickness riser configuration heidrun tlp diffraction effect fatigue analysis response analysis fatigue life platform limit state upstream oil & gas statoil scr concept otc 10979 steel catenary riser configuration OTC 10979 Steel...

... system stiffness platform natural period simulation karunakaran otc 8827 quasistatic response temporary deck response analysis soil stiffness artificial intelligence simulated response OTC 8827 Measure and Simulated Dynamic Response of a Jacket and a Large Jack-up Platform in North Sea D...

... information sensitivity analysis attenuation relationship reservoir characterization site specific design guideline platform seismic hazard probability design guideline evaluation safety index response analysis upstream oil & gas spectra return period variation seismicity reliability...

... at a specificdistancefrcxnthe study site, determined from the geometry and rupture length-magnituderelationship the probabilitythat the levelof excitation (movement of the soiI surface), resulting from an event of certain magnitude at a certain distance response analysis information source zone sully...

... ABSTRACT The response analysis of a lay-away expansion curve on a seabed of soft clay requires careful consideration of soil reaction (consolidation effects) and geometrical nonhnearities. The general purpose ftite element program FENRIS was specifically customized for this application...

... ABSTRACT This paper presents the nonlinear seismic response analysis of a jacket platform, founded on liquefiable soil, in the Adriatic Sea. The main results outlined in this paper are: criteria for selection of site specific time histories for nonlinear analyses; derivation of soil...

... force model wave frequency test piece experiment resonance specimen pipe displacement upstream oil & gas frequency lower end wave period equation lift force locus curve vertical pipe underwater line structure response analysis force coefficient aTe 5218 A Lift Force Model...

... characteristics in waves (OTC 4393). A study on non-linear response characteristics in very high waves and an applicability of the hydraulic camper to an actual TLP was performed following the above study. This paper first presents-an approximate response analysis method of TLP in very high waves based...

... in waves. This paper first presents an approximate response analysis method of TLP with the mechanical damping system in waves based on the small amplitude and liberalized theory and the finite amplitude and non liberalized theory. Next, the results of a series of tank tests for verifying the effect...

... and currents. A probabilistic response analysis of such platforms permits one to obtain knowledge about platform response statistics without burdensome data management problems because of relatively simple mathematical arguments needed to implement such an analysis. Numerous other investigators have applied...

... presupposes a linear relationship between force input and structural response and previous solutions have attempted to linearise the problem. In addition it must be remembered that frequency response analysis produces steady state solutions to the problem, whereas the sea-state defining the input...

... amplification for a one degree of freedom system. This simplification appeared to be too rough especially for the upper part of the structure. – transient response analysis for a multi degree of freedom system. The results of the fatigue calculation were unsatisfactory because the uncertainties of the input...

... surface. Therefore, the analysis reduces to that of a shear beam of soil subjected to a base excitation. Other waves may be contributing to horizontal ground motions besides vertically propagating shear waves. response analysis characteristic reservoir characterization foundation division...