FATIGUE ANALYSIS OF FREE SPAN CONSEQUENCE OF VIV
A major concern in design and assessment of pipeline structures is regarding with freespan and fatigue damage. Fatigue damage consist of environmental loading especially from current and wave. Pipeline structure will be vibration significantly effect by environmental loading. Vibration of pipelin...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/73050 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | A major concern in design and assessment of pipeline structures is regarding with
freespan and fatigue damage. Fatigue damage consist of environmental loading
especially from current and wave. Pipeline structure will be vibration significantly
effect by environmental loading. Vibration of pipeline not only effect from
environmental loading (wave and current) but also secondary fenomena. The
secondary fenomena which result vibration be familiar with Vortex Induced
Vibration (VIV).
VIV will occurred in freespan pipeline condition. VIV will be impact to fatigue
life of pipeline structure. This thesis will discuss the basic consideration involved
in a freespan and fatigue approach for the design and analysis of offshore pipeline
structure.
From the result, it is shown the relationship between e/D and VIV effect. Also it is
shown that major fatigue damage effect of VIV consequence from current load. |
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