*VIRTUAL* – Dynamic Response of Masts, Towers, and Horizontal Axis Turbines

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Online Masts, Towers and Axis Turbines Training


This course explains how the dynamic effects of wind turbulence and fluidelastic instabilities can be calculated for masts, towers and horizontal axis turbines. It starts with the incident, turbulent and sheared flow (and, for tidal stream turbines, waves). It considers how the flow is encountered by fixed and rotating structures. It continues with the fluid loading, the dynamic response and the calculation of extreme responses, fatigue loading and fatigue damage calculation.


Engineers and scientists involved in or anticipating an involvement in the design or assessment of structures in the wind or horizontal axis turbines in the wind or sea. Personnel from engineering
consultancies, energy companies, classification societies and offshore fabricators, clients commissioning design and analysis work and students on specialist wind or renewable energy
engineering courses will benefit from attending this course. The course provides a careful balance of theory & practice which is illustrated with worked examples.


Day 1

09.00 – 10.30 Lecture 1: Wave and turbulence spectra
10.30 – 10.45 Break
10.45 – 12.15 Lecture 2: Fluid forces on basic structural shapes and wind turbine blades
12.15 -12.45 Lunch
12.45 -14.15 Lecture 3: Dynamic response of fixed structures to waves and turbulence
14.15 – 14.30 Break
14.30 – 16.00 Lecture 4: Examples: Part-1

Day 2

09.00 – 10.30 Lecture 5: Dynamic response of horizontal turbines to waves and turbulence
10.30 – 10.45 Break
10.45 – 12.15 Lecture 6: Static and dynamic instabilities
12.15 – 12.45 Lunch
12.45 – 14.15 Lecture 7: Fatigue and strength assessment
14.15 – 14.30 Break
14.30 – 16.00 Lecture 8: Examples: Part-2

CV of Lecturer

Professor Nigel Barltrop is an emeritus professor at the university of Strathclyde, UK and the director of Barltrop Engineering LLP which was established in 2015 and provides consultancy and expert witness services in the areas of fatigue and strength of offshore structures, ships, lattice towers and renewable energy devices. His career activities in different stages are as follows:

2015 – 2017: Expert witness on litigation related to jack up production platforms and an offshore met mast. Dynamic fatigue analysis of a flare tower and front-end design of a fish farm. Part time professor at University of Strathclyde.
1995 – 2015: Professor at Glasgow and then Strathclyde Universities. (Head of Department 1995 – 2001). Research work includes Deepwater breaking wave forces and structural reliability of degrading offshore structures. Published Floating structures: a guide for design and analysis,
MTD/OPL. Expert witness for loss of MV Prestige.
1977 – 1995: Atkins, Head of Marine & Structural Technology department 1984, Technical Director 1988. Projects include design of Leman G platform, Hutton TLP Column-Pontoon connections, Structural assessment and strengthening of the semi-submersibles Buchan Alpha and Iolair,
the Seacat ‘Great Britain’ catamaran and several tankers, investigation of damage to WEG MS3 wind turbines. Developed software for analysis of stiffened plating, concrete offshore structures, coupled tether-hull TLP dynamics and response of lattice towers and turbines to wind turbulence. Expert witness in relation to losses of Alexander Kielland, Silimna and Kirki. Published Dynamics of fixed offshore structures (MTD/Butterworth Heinemann) and Fluid loading on fixed offshore structures (HMSO). Wrote fluid loading section of DEn/HSE “Guidance notes” and contributed to the development of offshore ISO standards.
1973 – 1977: Freeman Fox and partners, contributed to preliminary design of Hong Kong mass transit railway, detailed design of Hull “Myton” swing bridge, construction supervision of Humber suspension bridge.

Duration: 2 Days

Cost: £595 + Vat


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