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Debra R. Green

Computer Specialist

US Army ERDC

Coastal & Hydraulics Laboratory

Coastal Integrated Throughput Model

Debra R. Green

Computer Specialist

US Army ERDC

Coastal & Hydraulics Laboratory

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Features of CITMFeatures of CITM• FORTRAN Code

• PC Based

• Cumulative/recent throughput output

• Includes various environmental data

• Models all current watercraft and off-load nodes

• 1 minute time intervals

ti = Base Time * Fexp * Ftod * Fss * Fcomp + Queue Time

ttotal = ti + tmaint + tfuel

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““Force Projection is a system of systems”Force Projection is a system of systems”• Very complex

• Very nonlinear

• must account for bottlenecks/problems

• Extremely affected by environmental conditions

• sea state varies day-to-day and year-to-year

• tides and nearshore bars

• must connect to inland throughput capabilities

• Only an objective time-domain tool can provide accurate answers

• CITM provides correct framework for this tool

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PURPOSEPURPOSETool to evaluate force projection capabilities when

deep-draft ports are unavailable Conventional JLOTS

Lift-On/Lift-Off Roll-On/Roll-Off

Emerging technologies Theater Support Vessel (TSV) Enhanced small ports

Identification of limiting factors to throughput Objective site selection

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CITM Version 2CITM Version 2• Includes effect of nearshore bars on bare beach discharge

• Includes effect of tides

CITM Version 3CITM Version 3• Will include beach clearance/beach preparation module

• Will include random effects

• Will provide capability to integrate conventional JLOTS throughput and TSV throughput via existing unimproved and enhanced small ports

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RECENT CITM IMPROVEMENTSRECENT CITM IMPROVEMENTS

NEARSHORE BATHYMETRY COMPONENT

CROSS-BEACH COMPONENT

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-4

-3

-2

-1

0

1

2

100 150 200 250 300

June

July

Cross-shore Distance (m)

Ele

vati

on

(m

)

Effect of Tide and Bathymetry on Lighter Bare Beach ApproachEffect of Tide and Bathymetry on Lighter Bare Beach Approach

FRF Profile Data

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Cross-shore Distance (m)

Ele

vati

on

(m

)

FRF Profile Data

Lighter, Draft = 3 ft

Lighter, Draft = 3 ft

High Tide

Mean Sea Level

Low Tide

Effect of Tide and Bathymetry on Lighter Bare Beach ApproachEffect of Tide and Bathymetry on Lighter Bare Beach Approach

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-0.8

-0.4

0

0.4

0.8

1.2

0 20 40 60 80

Time (hrs)Wate

r S

urf

ace

Ele

vati

on

(m

NG

VD

)

Bar Crest

Min. Depthfor successful

CSP Bar Clearance

= Time Available for Bare Beach Access

Effect of Tide and Nearshore Bars on ThroughputEffect of Tide and Nearshore Bars on Throughput

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Sample of Plotted Output from Beach Clearance ModuleSample of Plotted Output from Beach Clearance Module

Cumulative Number of 20 ft. Containers Moved

0

5

10

15

20

25

30

35

40

45

50

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Simulation Time (hrs)

Nu

mb

er

of

20

ft.

Co

nta

ine

rs

Cleared from Beach

Unloaded at Marshaling Yard

Beach Clearance ModuleBeach Clearance Module

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Vehicle ID (Name): 9 (M1070/M1000/20FT) Assigned To Site: 3Vehicle Speed: 0.00Current Vehicle State: UNLOADING AT MARSHALING YARD Marshal01 IN Area-A X Y ------ ------Current Location: 2.00 2.00Location Heading Toward: 2.00 2.00Site/Marshaling Yard Location Heading To: 2.00 2.00Surface Type Vehicle Is On: ASPHALT 20-ft containers 40-ft containers RO/RO ---------------- ---------------- -----Site Load: 294 199 10Vehicle Load: 2 0Marshaling Yard Load: 9 3Marshaling Yard Vehicle Capacity: 1Vehicle ID (Name) in MY Waiting Queue: Current Vehicle at Site Load Time: 0.0

*********************************************** ** CURRENT SIMULATION TIME: 155.0 Minutes ** ***********************************************

Sample of Output from Beach Clearance ModuleSample of Output from Beach Clearance Module

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CITM Support to War PlannersCITM Support to War Planners

• Real World: • Balkan theater of operations throughput analysis (classified)

• War-fighter Exercises:• Ulchi Focus Lens (UFL) 2001

• Throughput analysis• JLOTS site evaluations• East coast Korea

• RSO&I 2001• Throughput analysis• JLOTS site evaluations• East and West coast Korea

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• US Army Engineer Research & Development Center (ERDC) Tele-Engineering Operations Center (TEOC)

– integration of CITM into the Tele-Engineering Toolkit– addition of module for user-defined lighters

• JLOTS Computer Based Training (Navy JLOTS training course)

– inclusion of CITM as a training tool for students

Integration of CITM into Ongoing EffortsIntegration of CITM into Ongoing Efforts

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TEOC ToolkitTEOC Toolkit

• Designed to facilitate communications between subject matter experts and persons submitting requests for information/analysis

• Uses NIMA-produced data

• Displays topographic maps, imagery, and terrain data for exploitation for engineer applications

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ImageryImagery

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LAVIII Wet

JLOTS Site SelectionJLOTS Site Selection

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JLOTS AnalysisJLOTS Analysis

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JLOTS Computer Based TrainingJLOTS Computer Based Training

• Include stand-alone version of CITM•Objective is to create a tool for students to use to create a JLOTS resourcing and scheduling plan

– Graphical User Interface (GUI) for input allowing the student to drag and drop and point and click (Currently under development)– Generic coastlines to include environmental characteristics of varying sea-states, tides, currents and beach gradients– OPDS Deployment and fuel delivery– Generate presentation-style output graphs

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Example of GUI ScreenExample of GUI Screen

• Icon Toolbar for ships, lighters and discharge sites

• Drag and Drop capability for placement of icons

• Distance from shore

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• CITM is a constructive simulation tool for objective estimates of throughput potential around the globe

• Used in support of War-fighter Exercises

• Throughput prediction for different nodes• Bare Beach• Existing Small Ports (unimproved)• Enhanced Small Ports

SummarySummary

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QUESTION(S)?QUESTION(S)?