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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Cristiano, S. De Aguiar Thiago, Angelo G. De Lacerda Luis, V. S. Sagrilo Wallace, B. Siqueira |
| Copyright Year | 2015 |
| Abstract | As exploitation activities moves into fields located in deep water, the industry has been addressing studies aiming at concepts of offshore systems that reduce the influence of environmental loads on risers. The Buoy Support Riser (BSR) system is one of these new proposed concepts. The BSR is composed by a subsurface tethered buoy, where flexible jumpers connect the Floating Production Unit (FPU) to the BSR and Steel Catenary Risers (SCRs). Due to its complexity and non-linearity, this offshore system requires a highly refined finite element model for dynamic analysis, which demands a high computational cost. In order to increase feasibility of the analysis it is proposed a low computational cost methodology based on Artificial Neural Networks (ANN). This work aims to develop a program to train an ANN to predict the jumpers’ dynamic tension from FPU motions without running the finite element model for every time step. In this way, the purpose is to find results as reliable as those achieved in a dynamic analysis with a finite element model. Statistical parameters will be used for this comparison. |
| Sponsorship | Ocean, Offshore and Arctic Engineering Division |
| File Format | |
| ISBN | 9780791856499 |
| DOI | 10.1115/OMAE2015-42168 |
| Volume Number | Volume 3: Structures, Safety and Reliability |
| Conference Proceedings | ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering |
| Language | English |
| Publisher Date | 2015-05-31 |
| Publisher Place | St. John’s, Newfoundland, Canada |
| Access Restriction | Subscribed |
| Subject Keyword | Pipeline risers Trains Water Finite element model Steel catenary risers Dynamic analysis Artificial neural networks Ocean engineering Tension Risers (casting) Buoys Stress |
| Content Type | Text |
| Resource Type | Article |
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