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Research interests: probabilistic methods,
creep assessments and high temperature
structural integrity.
Project Title:
Developing probabilistic methodologies in the creep regime
Mr Nader Zentuti
PhD Researcher 2015-19
Solid Mechanics Research Group
Towards developing a probabilistic creep-fatigue methodology
2
3rd October 2016
Probabilistic
methods
Monte-Carlo
simulations
Sensitivity
analysisStatistical data
characterisation
Response
Surface
method
Probabilistic
creep
methodology
Plant component case-study: header tubeplate ligament
3
3rd October 2016
Failure mechanism:
Creep-fatigue, large thermal
transients and over heating
caused by tube restrictions
Stress state:
Large thermal stress gradient
due to temperature
differences between tubes
joint by the ligament.
Potentially complex stress
state and temperature history.

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Nader Zentuti summary slides 2017

  • 1. Research interests: probabilistic methods, creep assessments and high temperature structural integrity. Project Title: Developing probabilistic methodologies in the creep regime Mr Nader Zentuti PhD Researcher 2015-19 Solid Mechanics Research Group
  • 2. Towards developing a probabilistic creep-fatigue methodology 2 3rd October 2016 Probabilistic methods Monte-Carlo simulations Sensitivity analysisStatistical data characterisation Response Surface method Probabilistic creep methodology
  • 3. Plant component case-study: header tubeplate ligament 3 3rd October 2016 Failure mechanism: Creep-fatigue, large thermal transients and over heating caused by tube restrictions Stress state: Large thermal stress gradient due to temperature differences between tubes joint by the ligament. Potentially complex stress state and temperature history.