Floating Offshore Platform Protrusion Member Wave Force Dispersion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Semi-submersible offshore structures face instability and equipment damage due to seawater flow, affecting drilling device performance and safety.
Innovation Solution
A floating offshore structure platform with a protrusion member and connecting unit, featuring a polygonal main body with outwardly protruding members and mooring line fastening units, which disperses wave forces and reduces load concentration, enhancing stability and crane accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the offshore structure uses a conventional platform design without protrusion members, then the structure is simpler and cheaper, but it experiences higher instability and greater damage from seawater flow
Solution Approach 1:
The platform is divided into multiple polygonal pontoons connected together to form the main body, with additional protrusion members extending from corners. This segmentation distributes the structural mass and creates multiple interaction points with seawater flow, reducing overall instability while maintaining reasonable structural complexity.
Solution Approach 2:
Protrusion members are added extending outwardly from the corner pontoons in a direction away from the main body. This dimensional extension creates additional spatial volume and structural reach, allowing the platform to better resist wave forces and improve stability without significantly increasing base platform complexity.
2Object-affected harmful factors
If the offshore structure adds protrusion members to improve stability, then wave force dispersion increases, but the structure becomes more complex and requires additional connecting units
Solution Approach 1:
The protrusion member connecting units are integrated with the main body structure, combining the functions of structural support and wave force dispersion into a unified design. The connecting units are formed as continuous structural elements rather than separate components, reducing overall complexity while achieving effective wave force distribution.
Solution Approach 2:
Protrusion members are strategically positioned only at the corner pontoons where wave forces are most concentrated, rather than uniformly distributing structural additions throughout the entire platform. This localized approach provides maximum wave force dispersion benefit while minimizing overall structural complexity and material usage.
3Ease of operation
If the platform uses a compact main body design, then the structure is more efficient, but crane accessibility and operability are reduced
Solution Approach 1:
Protrusion members extend the platform footprint in a direction away from the main body, creating additional operational space and improving crane accessibility. This dimensional extension allows cranes to reach various positions more effectively without requiring a larger base platform area, thus improving operability while maintaining compact efficiency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The platform stabilizes the offshore structure by dispersing wave forces and reducing load concentration, improving durability and crane operability while maintaining structural stability and reducing damage from seawater movements.
Implementation Method 1
a protrusion member connecting unit which connects the protrusion member to the main body... an external force caused by waves while being moored on the sea may be dispersed and the influence by the wake may be reduced
Implementation Method 2
a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes
Data Source
AI summary
A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.