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leading to the death of a crewmember, several injuries, and extensive damage to the living quarters. Do you believe that the industry is sufficiently aware of the complexity of the motions and wave loading of floating assets in extreme weather conditions?


A: “Real ocean states are complex and difficult to define numerically due to their irregular wave patterns, strong non-linearity and non-Gaussian statistics. This is further complicated by the response of the floating body to the actual wave, making the accurate prediction of the required motion and air gap for the safe operation of a semisubmersible a real challenge. Current methods make use of model testing to help resolve these issues. This method is time consuming and requires multiple test runs in attempts to fully capture all possible combinations of the waves and headings.”


Q: What kind of research would be needed to reduce risks, without making the design overly expensive?


A: “A conventional design approach requires a significant amount of resources and physical model testing. CFD is vital in speeding up the process with the use of digital models instead of just physical models. Once validated, it can complement and eventually push the boundaries towards digitisation for the marine and offshore industry.”


“KOMtech makes continuous efforts to colla- borate with industry partners to develop more robust and safe solutions that can benefit all our stakeholders. We utilise state-of- the-art numerical modelling capabilities to provide more effective analysis to improve semi- submersible designs, thereby helping to ensure safer operations in deeper waters and harsher environments. The accurate prediction of motion and air gap require-


8 report


ments, between maximum wave height and the underside of a platform deck, for the design of deepwater semi-submersible platforms for operations in harsh environ- ments and extreme weather conditions is crucial. This is especially the case for operations in areas such as the Arctic, North Sea and Western Australia and other deepsea frontiers.”


Q: MARIN has assisted KOMtech with model tests for many years. Through this long-term, continuing cooperation we have built up a good relationship. Why does KOMtech return to MARIN time after time?


A: “MARIN has consistently provided high quality service and reliable model test results, enabling KOMtech to develop products in a robust manner. We believe this partnership will continue to help KOMtech improve the in-house capability of developing advanced marine and offshore vessels.”


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