Structural Integrity Analysis (Fatigue & Fracture)

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Structural Integrity Analysis Training

ABOUT THE COURSE

This course aims to provide a practical understanding of fatigue and fracture in components and structures and methods for assessing their structural integrity. Following a general introduction to fatigue and fracture, with examples of service failures, current and developing fatigue design and assessment methods will be described. The focus will be on joints, especially welds, the usual ‘weak link’ in most practical cases.

The course will go on to explain the importance of crack/flaw analysis in structural design and safety assessment and illuminate its wide range of applicability. It will give a deep understanding of the major results and criteria underpinning modern fracture mechanics, the assumptions behind them and important limitations. Attendees will gain a better understanding of material selection for fatigue and fracture resistance and learn about codified procedures for flaw evaluation.

The syllabus will include: Case studies of service fatigue and fracture failures; Fatigue of plain and notched metals; Fatigue of joints (welded and mechanical); Fatigue design methods and new developments; Significance of welding flaws and their fatigue assessment, including by fracture mechanics; Industrial applications, including offshore structures, ships and pressure vessels; Review of theory of elasticity, cleavage, stress concentration and stress intensity; Linear elastic fracture mechanics: Crack tip stress analysis, evaluation of stress intensity factor; Elasto-plastic fracture mechanics: the crack tip opening displacement, J integral; Failure assessment diagrams, crack tip constraint; micromechanics of fracture and BS 7910 flaw assessment procedure.

The course is intended for practicing engineers who work with mechanical design, mechanics and structures as well as those involved in testing and equipment fabrication. This is also useful to those engaged in ship and offshore structure design and maintenance.

WHO SHOULD ATTEND

Engineers and scientists involved in the design, operation and assessment of both onshore and offshore structures and their associated equipment. Personnel from oil companies, consultancy organisations, classification societies and certifying authorities will benefit from attending this course.

PROGRAMME

Day 1

08.30- 09.00 Delegate Registration
09.00- 10.30 Lecture 1 : Introduction and S-N Curve – Helena Polezhayeva
10.30-11.00 Break
11.00-12.30 Lecture 2: Effects of Stress Concentration and Welded Joints – Helena Polezhayeva
12.30-13.30 Lunch
13.30-15.00 Lecture 3: Fatigue Damage under Random Loads and Effect of Corrosion – Helena Polezhayeva
15.00-15.30 Break
15.30-17.00 Lecture 4: Effect of Mean Stress, Thickness and Material Strength – Helena Polezhayeva

Day 2

09.00-10.30 Lecture 5: Rules for Fatigue design of Welded Structures Strain-Life Criterion-based Approach Basics and Application – Helena Polezhayeva
10.30-11.00 Break
11.00-12.30 Lecture 6: Weld Improvement Techniques – Helena Polezhayeva
12.30-13.30 Lunch
13.30-14.45 Lecture 7: Linear elastic fracture mechanics – Bostjan Bezensek
14.45-15.15 Break
15.15-16.30 Lecture 8: Elastic plastic fracture mechanics – Bostjan Bezensek

Day 3

9.00–10.15 Lecture 9: Mechanism of fracture in actual material – Bostjan Bezensek
10.15-10.45 Break
10.45- 12.00 Lecture 10: Fracture mechanics concepts for crack growth – Bostjan Bezensek
12.00-13.00 Lunch
13.00-14.30 Lecture 11: Engineering critical assessment – Bostjan Bezensek
14.30-15.00 Break
15.00-16.00 Lecture 12: Practical application of fracture mechanics – Bostjan Bezensek
16.00 Closure

ABOUT THE LECTURERS:

Helena Polezhayeva

Dr Helena has more than 30 years’ experience, and is internationally recognised as a fatigue expert, specialising in the development of spectral fatigue analysis and fatigue assessment procedures for a wide variety of ship types and offshore structures.
Helena also has expertise in fatigue related consultancy and research including fatigue testing and numerical analysis as well as the development and delivery of fatigue training. Helena was awarded a Royal Society Fellowship in 1994 for her Post-Doctoral research

Bostjan Bezensek, Dipl. Ing., PhD, CEng

Dr Bezensek holds an undergraduate degree in Mechanical Engineering from University of Maribor, Slovenia and a Doctor of Philosophy degree in fracture mechanics and failure assessment from University of Glasgow, Scotland, UK.
Dr Bezensek was a lecturer at the University of Glasgow, Department of Mechanical Engineering between 2005-2009 and has taught courses on materials, mechanics of solids and fracture mechanics to undergraduate students. He was then the principal engineer at Hunting Energy Services (UK) Ltd who specialises in the premium connections for the oil & gas ‘upstream’ industry and is now key member of the pipeline integrity group at Shell UK Ltd.
Dr Bezensek is recipient of several grants and awards from professional organisations and industry. In 2007 he was awarded the Japan Society for Promotion of Science post-doctoral grant and spent 6 months in Japan on sabbatical leave, collaborating closely with the Hitachi Research Laboratory, Hitachi Ltd on integrity of nuclear pipes with multiple flaws.

In 2009 Dr. Bezensek became Chartered Engineer and member of the ASME Boiler and Pressure vessel code Section XI working groups on Pipe flaw evaluation and on Flaw evaluation and a member of the British Standard’s BS7910 committee WEE37 and sub-committee on fracture. Dr. Bezensek has been leading the effort in revising flaw interaction and combination rules in the BS 7910: 2013 edition. He also contributes to the R6 fitness-for-service code on this topic.
Dr Bezensek has been active in application of fracture mechanics to pipes and pressure vessels for over 10 years. He is an international authority on assessment of multiple flaws and regularly reviews and contributes to the international peer reviewed journals and to the ASME Pressure Vessels and Piping conference. In 2011 and 2012 Dr Bezensek was the lead organiser of the Codes & Standards track in the aforementioned ASME conference.

RINA

The Royal Institution of Naval Architects certifies this. ‘Fatigue & Fracture Analysis’ training course meets the requirements for Continuing Professional Development of the Royal Institution of Naval Architects.

Duration: 3 Days

 

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Scheduled Courses:

    2017
    DateCourse NameLocationPriceBook
    5 Jul - 7 JulStructural Integrity Analysis (Fatigue & Fracture)Glasgow£750Book Now