Modular Bridge Fin Reconfiguration for Submarines
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Solution Overview
Problem
Conventional methods for reconfiguring submarine bridge fins are labor-intensive, time-consuming, and costly, limiting the ability to adapt vessels to changing operational requirements or test different variants, and existing tile systems are difficult to maintain and replace, especially in harsh environments.
Innovation Solution
A modular watercraft system with a bridge fin module system comprising interchangeable sub-modules and a lattice structure interior for structural strength, manufactured using additive layer manufacturing, with a polymer-based material coating for energy absorption and reduced maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional reconfiguration methods are used to alter bridge fin configuration, then the vessel can be adapted to new requirements, but the process is labor-intensive, time-consuming, and costly
Solution Approach 1:
The bridge fin is divided into multiple interchangeable modules that can be independently assembled and disassembled. Each module can be attached to the pressure hull using quick-connect interface elements, allowing rapid reconfiguration without extensive welding or cutting operations. This segmentation enables the bridge fin to be reconfigured in a fraction of the time required by conventional methods.
Solution Approach 2:
The bridge fin system is designed with dynamic reconfiguration capability, allowing the configuration to be changed during or between operational periods. The modular design with standardized interfaces enables rapid attachment and detachment of different bridge fin modules, transforming a static structure into a dynamically adaptable one that can respond to changing operational requirements.
2Adaptability or versatility
If conventional reconfiguration methods are used to alter bridge fin configuration, then the vessel can be adapted to new requirements, but the process is labor-intensive and costly
Solution Approach 1:
The bridge fin is divided into multiple interchangeable modules that can be independently assembled and disassembled. Each module can be attached to the pressure hull using quick-connect interface elements, allowing rapid reconfiguration without extensive welding or cutting operations. This segmentation enables the bridge fin to be reconfigured in a fraction of the time required by conventional methods.
Solution Approach 2:
The modular bridge fin system uses standardized interface elements and connection mechanisms that can accommodate different module types and configurations. This universal interface design allows the same basic structure to support multiple bridge fin variations, reducing the need for custom fabrication and simplifying the reconfiguration process.
3Reliability
If tiles are applied to the exterior of the hull to provide required properties, then the hull achieves necessary protection and functionality, but the tiles become weathered, damaged, and difficult to replace in harsh environments
Solution Approach 1:
The protective tile system is segmented into modular sections that can be independently replaced. Each tile is designed as a discrete component that can be accessed and replaced without requiring extensive disassembly of the hull structure. This modular approach to tiling allows damaged tiles to be quickly swapped out, significantly improving ease of repair compared to conventional continuous tile applications.
Solution Approach 2:
The tile system is designed to facilitate self-service maintenance, where tiles can be easily removed and replaced by the crew without requiring specialized equipment or extensive technical expertise. The modular design with simple attachment mechanisms enables crew members to perform tile replacements during routine maintenance operations, reducing dependency on external support facilities.
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
Enables frequent and efficient reconfiguration of submarine bridge fins without compromising structural integrity, reducing maintenance costs and allowing for multiple configuration changes without the need for extensive dry-dock procedures, while maintaining hydrodynamic performance.
Implementation Method 1
a polymer-based material coating for energy absorption and reduced maintenance needs
Data Source
AI summary
A watercraft system (10) comprising a pressure hull module (100) having a longitudinal axis (114) which extends between an aft end (116) and a forward end (118) of the watercraft system (10), and which defines a first interface element (112). The system further comprises a bridge fin module system (200) which extends from the pressure hull module (100) in a direction away from the longitudinal axis (114). The bridge fin module system (200) comprises a first bridge fin sub-module (210) which defines a second interface element (222) configured to be coupled and uncoupled from the first interface element (112); the first bridge fin sub-module (210) extending from the second interface element (222) to terminate at a third interface element (232) the bridge fin module system (200) further comprises a second bridge fin sub-module (220) which defines a fourth interface element (242) configured to be coupled and uncoupled from the third interface element (232).