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Hydroelasticity of compliant offshore structures. Australia's rich offshore oil and gas reserves are awaiting extensive deepwater extraction. However, there is still a lack of in-depth knowledge in the dynamic behavior of deepwater structures to ensure safe and cost-effective production. We hereby propose hydroelasticity theories and modelling techniques to investigate dynamic fluid-structure interaction problems for compliant offshore structures. We also propose innovative experiments to verify ....Hydroelasticity of compliant offshore structures. Australia's rich offshore oil and gas reserves are awaiting extensive deepwater extraction. However, there is still a lack of in-depth knowledge in the dynamic behavior of deepwater structures to ensure safe and cost-effective production. We hereby propose hydroelasticity theories and modelling techniques to investigate dynamic fluid-structure interaction problems for compliant offshore structures. We also propose innovative experiments to verify the theoretical work. One application is to configure a freestanding compliant tower to suit prospective deepwater oil and gas fields off North-West Australia. Expected outcomes include theoretical and experimental advances in deepwater offshore mechanics and practical computation tools for industry applications.Read moreRead less
MODAL AND DIRECTIONAL CHARACTERISTICS OF SEASTATES AND THEIR IMPACT ON DYNAMICS OF MOORED OFFSHORE SYSTEMS. Under certain conditions a typical sea can becomes bimodal comprising of wind-driven seas and long period swells interacting from two directions. Using a nonlinear model, the occurrence and characteristics of bimodal and bi-directional seastates are quantified.
Low frequency oscillations of a moored offshore structure have profound design influence on the mooring system. A nonlinear res ....MODAL AND DIRECTIONAL CHARACTERISTICS OF SEASTATES AND THEIR IMPACT ON DYNAMICS OF MOORED OFFSHORE SYSTEMS. Under certain conditions a typical sea can becomes bimodal comprising of wind-driven seas and long period swells interacting from two directions. Using a nonlinear model, the occurrence and characteristics of bimodal and bi-directional seastates are quantified.
Low frequency oscillations of a moored offshore structure have profound design influence on the mooring system. A nonlinear response model for a floating vessel in bimodal and bi-directional seastates, will be developed using nonlinear dynamics techniques. The numerical models for the environment and the floating platform will be validated by experiments at the Ocean Basin in Canada.
The project adopts a holistic approach by considering the environment and the moored platform as a complex natural system. With excellent opportunities for technology transfer, the project also benefits from substantial in-kind contributions of the overseas PIs.
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