TSSE Team TSSE Staff Prof. Fotis Papoulias Prof. Bob Harney 2004 Design Team LT

TSSE Team TSSE Staff Prof. Fotis Papoulias Prof. Bob Harney 2004 Design Team LT www.phwiki.com

TSSE Team TSSE Staff Prof. Fotis Papoulias Prof. Bob Harney 2004 Design Team LT

della Cava, Marco, Features Reporter has reference to this Academic Journal, PHwiki organized this Journal TSSE Team TSSE Staff Prof. Fotis Papoulias Prof. Bob Harney 2004 Design Team LT Timothy King, USNR, ECE LT Steven Peace, USN, SEA LCDR Paco Perez-Villalonga, ESP, OR LT Derek Peterson, USNR, MAE LT Rol in addition to o Reuse, CHL, MAE LT Scott Roberts, USN, MAE LTjg Kivanc Anil, TUR, MAE LTjg Mehmet Avcu, TUR, MAE LT Jon Brisar, USN, PHY LTjg Adnen Chaabane, TUN, IW LTjg Sotirios Dimas, GRC, MAE LT Matt Harding, USN, MAE 12 Students 6 Countries 6 Departments

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Today’s Agenda Electrical Propulsion Damage Control Combat Systems Hull Cargo Manning/ Habitability Mission Flexibility Summary Requirements & Design Introduction The Request A conceptual design as long as a High Speed Assault Connector (HSAC) to enhance Joint Expeditionary Logistics (JELo) flow from the Sea Base to shore Augment or replace existing connector plat as long as ms Employment requirement Cargo: ~8000LT of vehicles, troops, in addition to gear Distance: 200nm from the Sea Base to shore Time: 10 hours Sea state: 4 Interface: accept cargo in addition to troops at the Sea Base in addition to deliver to shore The Design Solution A system of 12 HSACs that fill all the previous connector requirements Each HSAC is multi-mission capable, self-sustaining, in addition to : Can accommodate embarked troops, cargo, in addition to gear from FLS in addition to or/CONUS to the Sea Base Can transit 2000nm @20kts (fully loaded) w/40% fuel remaining Has defensive in addition to offensive combat capabilities

Electrical Propulsion Damage Control Combat Systems Hull Cargo Requirements & Design Manning/ Habitability Mission Flexibility Summary Introduction Initial Requirements SEA-6 Transport JEB from the Sea Base to shore Time limited to a 10 hour period Interface with Sea Base, developed ports, in addition to austere beaches TSSE Faculty Support amphibious operations ashore in addition to delivering payload Conduct secondary missions Capable of independent operations Assumptions HSAC will move entire surface component of JEB 2 Battalion L in addition to ing Teams (BLT) HSAC fully loaded prior to employment phase HSAC transit protected by the Sea Shield provided by Sea Base as long as ces L in addition to ing operations will be conducted in reduced threat environments Boat lanes will be mine free

Beachable/Non-Beachable Considered two delivery methods Beachable Non-Beachable (LCAC ferry) Conducted feasibility study on both Non-Beachable Feasibility Pros In as long as mation readily available Few tactical changes required Improves effective LCAC range Proven, beachable, high-speed connector Cons Large number of LCACs required LCACs approaching end of service life Inadequate availability/reliability Additional interface in the loop Beachable Feasibility Analysis of Newport class LST 3000LT payload 16 ft draft Bow ramp in addition to stern gate Pros Per as long as med similar mission Large craft can be made beachable Newer technologies will greatly enhance the capabilities of previously proven designs Provides a single connector solution Cons Structural issues as long as bow ramp/beaching Possibly hull as long as m limiting Beachable design selected

Analysis of Alternatives Developed 3 Measures of Per as long as mance (MOP) Analytic Hierarchy Process (AHP) was used to set the weights Transport factor – 43% Survivability – 43% Number of ships – 50% Overall ship length – 30% Speed – 20% Mission flexibility – 14% Payload – 30% Draft – 30% Number of ships – 20% Speed – 20% Overall MOP weighted sum of the individual MOPs Design of Experiments 7 x 9 x 5 Design matrix 7 different hull types 9 different payloads 5 different speeds Total of 315 possible designs Initial ship characteristics calculated using software from Maritime Applied Physics Corporation at MIT

AoA: Score Criteria 315 designs were evaluated using TSSE generated MOPs 292 designs were eliminated based on these MOP score criteria Average MOP < 0.4 (REJECT) (MOPmax – MOPmin) > 0.05 (REJECT) Average > 0.45 or passes tests 1 in addition to 2 (ACCEPT) 23 remaining designs were plotted vs. cost to determine the optimum design AoA: MOP vs Hull Type AoA: MOP vs Cost Better

Sensitivity Analysis Same 3 Measures of Per as long as mance (MOP) Transport factor – 33% Survivability – 33% Mission flexibility – 33% Trimaran Better Beachable Trimaran Beachable design Smallest average draft (17ft) Greatest number of retained alternatives Highest overall MOP among hull types For each speed For each payload Highest overall MOP as long as one of the lowest costs Only cheaper alternatives were HYSWAS in addition to a point solution monohull, both with deep drafts Electrical Propulsion Damage Control Combat Systems Hull Cargo Requirements & Design Manning/ Habitability Mission Flexibility Summary Introduction

Cargo Requirements 204 Humvee 98 EFV 21 M1A2 4 AVB 2 AVLB 8 M9ACE 2 M88A2 16 ITV 10 Avengers 38 MTVR 12 LW155 16 M105 6 MK155 34 M101 2 M149 2 M116 2 AN/TPQ 8 4K Forklifts 4 Contact trucks Transport surface components of 2 Battalion L in addition to ing Teams A total of 546 vehicles delivered in first 10 hours Cargo Distribution One BLT can be transported on 6 ships Provides as long as mission scalability Provided greater load-out flexibility Vessel load-outs Load-outs fell below maximum payload Maximum design payload = 800 LT Heaviest load-out = 693 LT Average load-out = 663LT Cargo Distribution Distribution of (1) BLT aboard (6) HSAC

della Cava, Marco USA Today - San Francisco Bureau Features Reporter www.phwiki.com

Cargo Interfaces Stern gate/ramp Cargo decks Flight deck & elevator Bow ramp Stern gate Allows interface with Sea Base in addition to pier via Mediterranean mooring Hydraulically operated 120 degree range of motion from vertical to partial submersion Supports deployment/recovery of EFV Can be accomplished with current RO-RO technology Stern Gate Loading

Stern Gate EFV Deployment Cargo Layout Upper in addition to lower cargo deck Heaviest equipment stored on lower deck in addition to centerline of upper deck M1A2, EFV, ABV, M88ACE, AVLB Lower deck access from stern gate in addition to bow ramp Upper deck access from as long as ward in addition to aft fixed ramps Ventilation system on both decks will h in addition to le removing vehicle exhaust from the ship Cargo Layout

Elimination of Designs

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