Introduction

 

An offshore structure or a ship is subject to environmental loads of waves. By their nature, the resulting wave load son the structure are cyclical. These cyclical loads result in cyclical stresses on the structure too. Over a short period of a few months, this cyclical variation of stress doesn’t affect the structure, but over the lifetime of the vessel, constantly experiencing cyclical stresses may lead to cracks in the structure . This phenomenon is called fatigue. It is estimated that over a lifetime of 20 yrs, an offshore structure of a ship will experience 108 Fatigue is the stress that results from Fatigue Analysis is being used frequently these days w.r.t. offshore structures and ships

 

 

 

References

1. https://simulatemore.mscsoftware.com/what-is-fatigue-analysis-msc-nastran/

2. https://link.springer.com/chapter/10.1007/978-94-009-2277-8_27

 

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