نتایج جستجو برای: offshore structure

تعداد نتایج: 1581327  

ژورنال: مهندسی دریا 2013

Steel offshore platforms are some of those structures which are built to withstand environmental and accidental loads during oil exploitation operation. Particular attention is being paid to earthquake loads in seismic active areas because it directly influences the capacity of the offshore structure installations. The uncertainties available in earthquake loads as well as in strength of struct...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2015
M Brocchini O M Faltinsen

Written by a group of international experts in their field, this Theme Issue provides an overview of the recent advances made by the fluid mechanics community dedicated to offshore engineering, with a specific focus into modelling issues. Although of great importance we have purposely neglected all applications related to ‘emerging offshore engineering’ concerned with renewable energy extractio...

Journal: :Applied Mathematics and Computation 2013
Mekki Ayadi Maâtoug Mohamed Ali

Keywords: KP–BBM-II equations Crank–Nicholson method Finite difference scheme Convergence Stability a b s t r a c t In this paper, the finite difference method is employed to solve Kadomtsev–Petviashvili– Benjamin–Bona–Mahony II (KP–BBM-II) partial differential equations. The time and space variable are discretized by the Crank–Nicholson method and the central-difference scheme, respectively. T...

Journal: :Management Science 2014
George Aragon Bing Liang Hyuna Park

Contrary to offshore hedge funds, US-registered (“onshore”) funds are subject to strict marketing prohibitions, accredited investor requirements, limited number of investors, and tax disadvantage. We exploit this difference to test predictions about organizational design, capital flow, and fund performance. We find that onshore funds impose stronger share restrictions such as a lockup provision...

M Hosseini S Karimiyan

Regarding the previous earthquake damages in offshore structures, as vital structures in the oil and gas industries, it is important that their seismic design will be performed with very high reliability. Accepting the Nonlinear Time History Analyses (NLTHA) as the most reliable seismic analysis method, in this paper an offshore platform of jacket type with the height of 304 feet and with a dec...

2006
Jessica Pu Li Rajiv Kishore

Transaction Cost Economics (TCE) theory is widely used to explain the appropriate governance structure for make-or-buy decisions. We adopt this theory to analyze firms’ decisions and choices about offshore outsourcing, domestic outsourcing and internal procurement. The main findings of this paper are as follows: When asset specificity is low, offshore outsourcing is preferable. As asset specifi...

2007
N. Haritos

This paper provides a broad overview of some of the key factors in the analysis and design of offshore structures to be considered by an engineer uninitiated in the field of offshore engineering. Topics covered range from water wave theories, structure-fluid interaction in waves to the prediction of extreme values of response from spectral modeling approaches. The interested reader can then exp...

2009
S. Smithson M. Salahuddin

Offshore software development is an attractive option in terms of cost savings but the problems of overcoming the barriers of different cultures and time and space distanciation can be considerable. This paper examines two case studies of companies that set up offshore system development centres and contrasts their different experiences. We use a framework comprising structure, coordination and...

2014
Mei Li Zhuolun Li Shan Ling Pan

Recent years, offshore outsourcing has received large amount of attention from both industry and academia because of its attractive advantages such as cost reduction, talent access. As an alternative way to implement information systems in operation management, offshore insourcing has been greatly overlooked. Though organizations shun from the contractual obligations in offshore insourcing, the...

Journal: :international journal of marine science and engineering 0

in this paper effect of pile-soil consideration in obtaining seismic response offshore structure is assessed due to earthquake loading. inducedseismic force is one of the most important excitations for the dynamic response of an offshore structure. according to api, seismic forces should be accounted in platform design for seismically active regions in order to determine the allowable seismic r...

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