Abstract
Inland navigation in shallow waters with partially submerged objects and riparian vegetation might represent severe restrictions to patrolling operations of the Colombian Navy. Consequently, there is a need for a riverine combat and reconnaissance boat with the ability to operate in 0.4 m depth shallow waters and which structural arrangement is to be designed according to maritime classification societies and operational requirements of the navy. The aim of this work is to explain and to validate the 20 knots, 3.8 tons of displacement, 8.6 m length, 2.6 m beam and 0.35 m draft boat scantling by guidelines of the classification societies and hence, improving and validating by direct analysis the hull structural arrangement.
Highlights
In military river operations are important the availability of high-speed crafts capable of performing patrolling, tactical offensive and defensive maneuvers and additional tasks related to homeland security and defense in shallow, secluded and hard-to-reach harsh inland waters [1].The riverine low draft combat boat designed with naval- grade aluminum and 10 m2 polymeric ballistic protection panels on deck, can develop riverine patrolling and reconnaissance operations in shallow depth waters
The structural arrangement of the designed boat is intended to maintain a low weight while the security of the crew, the structural integrity of the hull and the boat performance remain preserved
To ensure the structural integrity of the hull, the scantling was performed according to recommendations and requirements of the classification societies ABS in “Rules for Building and Classing, High- Speed Craft; Hull Construction and Equipment” [3] and ISO 12215 “Small craft – Hull construction and scantlings – Part 5: Design pressures for monohulls, design stresses, scantlings determination” [4]
Summary
In military river operations are important the availability of high-speed crafts capable of performing patrolling, tactical offensive and defensive maneuvers and additional tasks related to homeland security and defense in shallow, secluded and hard-to-reach harsh inland waters [1]. The riverine low draft combat boat designed with naval- grade aluminum and 10 m2 polymeric ballistic protection panels on deck, can develop riverine patrolling and reconnaissance operations in shallow depth waters. To carry out the previously explained operations, the design and manufacturing of a low-draft inland waters combat boat is required [2]. The structural arrangement of the designed boat is intended to maintain a low weight while the security of the crew, the structural integrity of the hull and the boat performance remain preserved. Given the structural arrangement obtained, its structural integrity was evaluated and improved by direct analysis in a global model according to “Class Guideline- Finite Element Analysis” by DNV-GL [5]
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