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TwoTwo--Dimensional HydrodynamicDimensional Hydrodynamic
Numerical Modeling inNumerical Modeling in MuaraMuara PegahPegahWaters, East KalimantanWaters, East Kalimantan
WidodoWidodo S. PranowoS. Pranowo11,, NugrohoNugroho D. HanantoD. Hananto22,, HaryadiHaryadi PermanaPermana22
L I P I
1) Center Research for Maritime Territories and Non-living Resources,
Agency for Marine & Fisheries Research, Ministry of Marine Affairs & Fisheries
The Republic of Indonesia.
2) Earth Dynamics & Geological Hazard, Research Center for Geotechnology - LIPI
Status for March 01, 2006
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Map of StudyMap of Study
AreaArea
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BathymetryBathymetry
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Flowchart of StudyFlowchart of Study
= Tuning Parameters
= Feed Back
Modeling:
3DD Suite Software Model
Results:Currents &Sea levels
Analyzing
Conclusion
Input Data:
Bathymetry, Tidal
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3DD Suite Software model version 4.093DD Suite Software model version 4.09
DevelopeDeveloped byd by: ASR, Ltd.: ASR, Ltd. (Black, 2002)(Black, 2002)
The 3DD Computational Marine and Freshwater Laboratory consists of a
series of coupled numerical models to simulate physical and biologicalprocesses in marine and freshwater environments. The models are:
1.1. 3DD3DD :: 2 or 3-dimensional flows, short-wave and ocean/atmosphereheat transfer
2. POL3DD2. POL3DD :: 3-dimensional dispersal
3. WGEN3. WGEN :: Estuary wave climate4. WBEND4. WBEND :: Refraction of monochromatic and spectral waves
5. 2DBEACH5. 2DBEACH :: Beach circulation and sediment transport
6. GENIUS6. GENIUS :: Sedimentation around coastal structures
77.. Support ManagerSupport Manager :: Routines for preparation of input files, extraction of resultsfrom the model output file and for graphics.
88.. PLOT3DDPLOT3DD :: Matlab graphical routines for plotting the model results aresophisticated and allow a broad range of output styles.
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Flowchart of ModelingFlowchart of Modeling
Data:Bathymetry, Tidal
Input Data:Initial condition &
Boundary condition
Model 3DD:Hydrodynamics 2D
Depth average
Output:Currents & Sea levels
PLOT3DD
Graphics
3DDSupportManager
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Model Setup (1)Model Setup (1)
Using equation for 2D hydrodynamics depthUsing equation for 2D hydrodynamics depth
average.average. Using an explicit finite difference scheme to solve
the momentum and mass conservation equations
with a second-order-accurate. Using Courant, Friedrich and Lewy condition or
Courant Number (Cr) as limiting for the model timeStep.
Place discretisations using Cartesian coordinatefor horizontal.
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Model Setup (2)Model Setup (2)The 3DD model grid is referenced in IJK coordinates
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Model Setup (3)Model Setup (3)The staggered model grid.Parameters in the triangleshave the same subscripts
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Model Setting (1)Model Setting (1)
%95Diffusion Percentage Slip
-1Number Of Steps To Apply
-1Eddy Viscosity Mult Factor
m2/detik1Horizontal Eddy Viscosity
-0Orientation
corrioliseffect = 0
0Latitude
set by model99Initial Sea Level
m0.05Drying Height
m0.3Effective Depthm0,01Roughness Length
detik18.662.400,00Maximum Number Of Time Steps
detik1First Time Step
detik2,2Time Step Of Modelmeter81,957Y Grid Size
meter81,410X Grid Size
grid47Number Of Y (J) Cells
grid100Number Of X (I) Cells
SatuanNilaiParameter
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Model Setting (2)Model Setting (2)
Titik referensi &Verifikasi untuk Plot
Hasil simulasi di grid(50,20)
Batas Terbuka Timur
Batas Terbuka BaratBatas
Terbuka
Utara
Batas
Terbuka
Selatan
Note:Batas Terbuka: Open Boundary
Titik Verifkasi: Station for Verification
Barat: West; Utara: North; Timur: East; Selatan: South
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Generating Forces for Open BoundariesGenerating Forces for Open Boundaries
Pasang Surut di Batas Terbuka Domain Model dari 15 Oktober [07:00 WIB]
hingga 24 [06:00 WIB] Oktober 2005 (Hasil Prediksi menggunakan ORITIDE)
-1.5
-1
-0.5
0
0.5
1
1.5
0 50 100 150 200
Waktu ke- (jam)
Elevasimukalaut(meter)
di Batas Utara
di Batas Timur
di Batas Selatan
di Batas Barat
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Verification Results (1)Verification Results (1)
Verifikasi Elevasi Muka Air Laut Hasil Simulasi Model 3DD versus ORITIDE
di Grid (50,20) atau Koordinat Posisi 117,335 BT & 0,985 LS
-1.5
-1
-0.5
0
0.5
1
1.5
0 50 100 150 200
Waktu (Jam ke-)
ElevasiMukaLaut
(meter)
ORITIDE
3DD Simulation Result
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Verification Results (2)Verification Results (2)
(Tide Gauge Data Source : Team Survey & Acquisition of LIPI, 2005)
Verifikasi Elevasi Muka Laut antara Hasil Akuisisi Tide Gauge
dengan Hasil Simulasi Model 3DD
pada periode 16 Oktober [08:00 wib] - 23 Oktober [17:00 WIB] 2005
-1.5
-1
-0.5
0
0.5
1
1.5
0 100 200 300 400 500 600
Waktu (jam ke-)
ElevasiMukaLa
ut(meter)
Tide Gauge
3DD Simulation
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Velocity Vector & DepthVelocity Vector & Depth
Spring TideSpring Tide
( FLOOD TO EBB ) ( EBB )
( EBB TO FLOOD ) ( FLOOD )
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Velocity Vector &Velocity Vector & SealevelSealevel
Spring TideSpring Tide
( FLOOD TO EBB ) ( EBB )
( EBB TO FLOOD ) ( FLOOD )
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Velocity Vector & VelocityVelocity Vector & Velocity
Spring TideSpring Tide
( FLOOD TO EBB ) ( EBB )
( EBB TO FLOOD ) ( FLOOD )
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Team Survey & Acquisition of LIPI:Team Survey & Acquisition of LIPI:
GeophysicsGeophysicsDr.Dr. HaryadiHaryadi PermanaPermana
Nugroho D. HanantoNugroho D. Hananto M.SiM.Si
M.M. MaMarufruf MuktiMukti, S.T, S.T
OceanographyOceanographyDrs. EdiDrs. Edi KusmantoKusmanto
PriyadiPriyadi DwiDwi SantosoSantoso, S.T, S.T
PraditiaPraditia Avianto,A.MdAvianto,A.Md
AcknowledgementAcknowledgement
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Thank YouThank You