- Title
- Exploiting particle methods to investigate the structural integrity of maritime platforms
- Creator
- Cartwright, B. K.; Groenenboom, P. H. L.; Renilson, M. R.; Melchers, R. E.
- Relation
- 9th Australasian Congress on Applied Mechanics (ACAM9). Proceedings of the 9th Australasian Congress on Applied Mechanics (ACAM9) (Sydney 27-29 November, 2017) p. 86-97
- Relation
- https://www.acser.unsw.edu.au/all-events/9th-australasian-congress-on-applied-mechanics-acam-9
- Publisher
- Engineers Australia
- Resource Type
- conference paper
- Date
- 2017
- Description
- Maritime assets such as ships and offshore platforms are major investments. Their effective management is important. Their management plans should optimise asset availability, effective lifetime and functionality and reduce downtime for repairs. Together these aspects will improve safety, risk-management and cost-effectiveness. Difficult aspects relate to the wave loading on the asset and how to accurately model this both at any point in time, and over a period of time. This paper addresses recent developments in smoothed particle hydrodynamics (SPH) technology that significantly improve the modelling of dynamic fluid environments, including the ocean wave environment for maritime applications. The improved modelling of the wave environment enables the fluid-structure interaction (FSI) of a floating structure and the waves to be assessed. From this FSI and using finite element analysis techniques, the potential for non-linear failure behaviours in critical load-bearing structures can be predicted with greater confidence. Specific enhancements to SPH algorithms discussed herein are spatially-varied initial particle distributions, pressure correction, particle re-distributions, gravity initialisation, pressure sensors and translating active domains. Also discussed are practical aspects of the implementation that improve the ease of modelling real-world scenario such as contact interfaces, damping zones and wave making concepts. The connection between these SPH enhancements and existing features in commercial finite element analysis packages facilitate the implementation of the new assessment approach for maritime assets.
- Subject
- asset management; fluid structure interaction; smoothed particle hydrodynamics; structural integrity; sea state representation; maritime platform
- Identifier
- http://hdl.handle.net/1959.13/1450194
- Identifier
- uon:43859
- Identifier
- ISBN:9781925627022
- Language
- eng
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