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PREFACE:

Offshore structures are being challenged to counteract the depletion of oil resources with the new set of discoveries. By 2010, the increase in drilling platforms induced the demand for offshore structures in deep sea. Hence, the quest on the research and development of the deep-water structures has resulted in the recent advancement and thrust in this area.

 Expansion of the structures from shallow to deep waters makes the accessibility difficult, and hence, the structures demand higher deck areas consisting of additional space for third-party drilling equipment.

 Specific challenges in Arctic regions in shallow waters that arise due to low temperature, remoteness, ice conditions, ecosystem, and safety necessitate an adaptive design of offshore platforms addressing these factors. Development of offshore platforms depends on various factors:

 • Structural geometry with a stable configuration 

• Easy to fabricate, install, and decommission 

• Low CAPEX 

• Early start of production

 • High return on investment by increased and uninterrupted production.

Newly generated structural forms do not have any precedence to compare and understand their behavior and complexities.

 It is therefore important to understand the response of the structure and then select the structure that is most suitable to the environment.