June 22, 2025

Fatigue Assessment of Free-Span Subsea Pipelines

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Fatigue failure risks are significant in subsea pipelines affected by external conditions like waves and currents.
The numerical model predicted fatigue damage using finite element analysis, considering varying environmental loads and pipeline dimensions.
Assessment followed DNVGL standards, incorporating parameters such as wave height and soil stiffness to evaluate pipeline stability.
Findings underscore the importance of monitoring subsea pipeline integrity to prevent socio-environmental impacts from potential failures.

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Numerical modeling estimates fatigue in subsea pipelines under extreme environmental conditions, indicating risk of failure.

Pinheiro et al. (2025) studied this question.

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