Floating Platform Damping System for Storm Stability
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Solution Overview
Problem
Conventional offshore floating platforms face stability issues during harsh weather conditions, such as ocean storms and strong waves, which affect their operational stability, especially in deep water environments.
Innovation Solution
A novel floating structure incorporating a mooring system for rotation and orientation, combined with a damping system that absorbs wave energy and stresses, featuring a semi-submersible platform with removable buoyancy units and a damping system of floating bodies connected to a rotary shaft, designed to stabilize the platform horizontally during storms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional semi-submersible platforms are used to operate in deep water, then the platform can function at water depths exceeding 100 meters, but the platform cannot provide stable operation when affected by harsh weather conditions such as oceanic storms and strong waves greater than 5 meters
Solution Approach 1:
The platform is divided into multiple independent buoyant columns that can move somewhat independently, with each column equipped with its own damping system. This segmentation allows the platform to better absorb and distribute wave energy across multiple units, improving stability during harsh weather while maintaining deep water capability.
Solution Approach 2:
The damping systems are pre-configured on the buoyant columns to absorb wave energy before it can significantly impact the platform deck. The damping mechanisms are designed to engage proactively during wave motion, cushioning the platform against the full force of harsh weather conditions before excessive movements occur.
2Area of stationary object
If floating barge platforms are used to provide large water plane area, then the platform can support heavy equipment, but waves cause rolling, pitching and yawing reactions that render the platform unsatisfactory for operations requiring stability
Solution Approach 1:
Instead of a single large floating barge, the platform uses multiple smaller buoyant columns arranged in an array. Each column has a smaller water plane area that is less susceptible to wave-induced rolling and pitching. The collective arrangement provides sufficient support area for heavy equipment while individual columns experience reduced destabilizing forces.
Solution Approach 2:
The damping systems act as intermediaries between the waves and the platform deck. They absorb and dissipate wave energy through controlled motion, preventing the direct transmission of rolling, pitching, and yawing forces to the equipment deck, thereby maintaining operational stability.
3Force
If the buoyant base is positioned at the water surface to maximize buoyancy, then the platform can support heavy loads, but it becomes highly susceptible to wave action and surface turbulence
Solution Approach 1:
The platform transitions from a surface-level floating structure to a deep-submergence configuration. The buoyant columns extend vertically with their buoyant portions positioned at greater depths where wave action is significantly reduced. This dimensional change in positioning maintains buoyancy force while escaping the harmful effects of surface wave turbulence.
Solution Approach 2:
The platform extracts the buoyant base from the high-wave-action zone at the water surface and positions it at depth where wave turbulence is minimal. The buoyant columns are designed so that only their upper portions extend toward the surface, while the main buoyant volume operates in the calmer deep water environment, separating the buoyancy function from the wave action zone.
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 solution provides enhanced stability and operational reliability in harsh weather conditions by positioning the buoyant base below wave action and using the damping system to absorb wave energy, ensuring the deck remains stable and functional even under strong wave conditions.
Implementation Method 1
The hull structure that has sufficient buoyancy to support the equipment deck above the surface of the water
Data Source
AI summary
A floating structure is described. The floating structure includes a floating platform disposed at a water surface, a mooring system and a damping system. The mooring system is configured for mooring one side of the floating platform to a sea floor, thereby to permit rotation of the floating structure and to provide a desired orientation down-wind with respect to an anchor point. The damping system is arranged at one side of the floating platform and is configured for absorbing wave energy and stresses imparted by the motion of waves in order to stabilize a horizontal position of the floating structure down-wind during a storm against the waves.