Ali Shaghaghi Moghaddam, S. Mohammadnia, M. Sagharichiha
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Analysis of offshore pipeline laid on 3D seabed configuration by Abaqus
Three dimensional (3D) non-linear finite element analysis of offshore pipeline is investigated in this work with the help of general purpose software Abaqus. The general algorithm for the finite element approach is introduced. The 3D seabed mesh, limited to a corridor along the pipeline, is extracted from survey data via Fledermous software. Moreover soil bearing capacity and coefficient of frictions, obtained from the field survey report, and are introduced into the finite element model through the interaction module. For a case of study, a 32inch pipeline with API 5L X65 material grade subjected to high pressure and high temperature loading is investigated in more details.
期刊介绍：
The OCEAN SYSTEMS ENGINEERING focuses on the new research and development efforts to advance the understanding of sciences and technologies in ocean systems engineering. The main subject of the journal is the multi-disciplinary engineering of ocean systems. Areas covered by the journal include; * Undersea technologies: AUVs, submersible robot, manned/unmanned submersibles, remotely operated underwater vehicle, sensors, instrumentation, measurement, and ocean observing systems; * Ocean systems technologies: ocean structures and structural systems, design and production, ocean process and plant, fatigue, fracture, reliability and risk analysis, dynamics of ocean structure system, probabilistic dynamics analysis, fluid-structure interaction, ship motion and mooring system, and port engineering; * Ocean hydrodynamics and ocean renewable energy, wave mechanics, buoyancy and stability, sloshing, slamming, and seakeeping; * Multi-physics based engineering analysis, design and testing: underwater explosions and their effects on ocean vehicle systems, equipments, and surface ships, survivability and vulnerability, shock, impact and vibration; * Modeling and simulations; * Underwater acoustics technologies.
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