[swanmodel-users] error "not possible to compute first iteration"
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From: s.lesani <s.l...@ut...> - 2016-04-08 18:13:14
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hello,
i want to run SWAN to estimate wave height from wind but i have a
problem . in PRINT file i find " not possible to compute, first
iteration" message and i don't know why this happen. my INPUT file and
PRINT file are in the following. I would appreciate it if anyone can
help me soon.
INPUT FILE
$
$ *********************************** START-UP
************************************
$
PROJECT 'Wave modeling' '01'
'Modeling of the Caspian Sea Near Shore Waves '
SET 0 90 0.05 200 3 9.81 1025 2.5e-3 0 0.1 CARTesian 4 0.8 4 4
MODE NONSTATIONARY TWODimensional
COORDinates SPHErical QC
$
$ ********************************* MODEL DESCRIPTION
*******************************
$
$ **** COMPUTATIONAL GRID *****************************************
CGRID REGular 46.5 36.5 0 8.5 11 85 110 CIRcle 18 0.08 1 20
$
$ **** INPUT GRIDS AND DATA ***************************************
$
INPgrid BOTtom REG 45.05 35.60 0 704 743 0.0166667 0.0166667
READinp BOTtom -1 'bathymetry.asc' 2 FREE
$
INPgrid WIND REG 46.5 36.5 0 1 1 8.5 11 &
NONSTATionary 20100101.000000 6.0 HR 20100102.180000
READinp WInd 1 SERIes'wind.txt' 2 0 0 0 FREE
$
$ ****** BOUNDARY AND INITIAL CONDITIONS **************************
$
BOUNd SHAPespec JONswap 3.3 PEAK POWer
BOUNDspec SIDE East
INITial DEFault
$
$ ****** PHYSICS **************************************************
$
GEN3 KOMEN 2.36e-5 3.02e-3 AGROW 0.0015
QUADrupl 2
BRE CON 1.0 0.73
FRICtion COLLins 0.015
TRIad 2 0.05 2.5 0.2 0.01
LIMiter 10.0 1.0
OFF FSHift
OFF BNDCHK
$
$****** NUMERIC **************************************************
PROP BSBT
$
$****** OUTPUT *************************
$
PRINT FILE
1
Execution started at 20160407.151400
---------------------------------------
SWAN
SIMULATION OF WAVES IN NEAR SHORE AREAS
VERSION NUMBER 41.01AB
---------------------------------------
$ ******************************** IN THE NAME OF GOD
******************************
$
$ *********************************** START-UP
************************************
$
PROJECT 'Wave modeling' '01'
'Modeling of the Caspian Sea Near Shore Waves '
SET 0 90 0.05 200 3 9.81 1025 2.5e-3 0 0.1 CARTesian 4 0.8 4 4
MODE NONSTATIONARY TWODimensional
COORDinates SPHErical QC
$
$ ********************************* MODEL DESCRIPTION
*******************************
$
$ **** COMPUTATIONAL GRID *****************************************
CGRID REGular 46.5 36.5 0 8.5 11 85 110 CIRcle 18 0.08 1 20
Resolution in sigma-space: df/f = 0.1346
$
$ **** INPUT GRIDS AND DATA ***************************************
$
INPgrid BOTtom REG 45.05 35.60 0 704 743 0.0166667 0.0166667
READinp BOTtom -1 'bathymetry.asc' 2 FREE
$
INPgrid WIND REG 46.5 36.5 0 1 1 8.5 11 &
NONSTATionary 20100101.000000 6.0 HR 20100102.180000
READinp WInd 1 SERIes'wind.txt' 2 0 0 0 FREE
$
$ ****** BOUNDARY AND INITIAL CONDITIONS **************************
$
BOUNd SHAPespec JONswap 3.3 PEAK POWer
BOUNDspec SIDE East
** Error : Illegal keyword:
INITial DEFault
$
$ ****** PHYSICS **************************************************
$
GEN3 KOMEN 2.36e-5 3.02e-3 AGROW 0.0015
QUADrupl 2
BRE CON 1.0 0.73
FRICtion COLLins 0.015
TRIad 2 0.05 2.5 0.2 0.01
LIMiter 10.0 1.0
OFF FSHift
OFF BNDCHK
$
$****** NUMERIC **************************************************
PROP BSBT
$
$****** OUTPUT *************************
$
NGRID 'N' 51.21 36.65 0 0.5 0.5 50 50
NESTout 'N' 'Khazar.dat' OUTPUT 20100101 6 HR
TEST 1 0
COMPute NONSTat 20100101.000000 6 HR 20100102.180000
Time of computation -> 20100101.060000 in sec: 21600.
----------------------------------------------------------------
COMPUTATIONAL PART OF SWAN
----------------------------------------------------------------
Gridresolution : MXC 86 MYC 111
: MCGRD 9547
: MSC 21 MDC 18
: MTC 7
: NSTATC 1 ITERMX 1
Propagation flags : ITFRE 0 IREFR 1
Source term flags : IBOT 2 ISURF 1
: IWCAP 1 IWIND 3
: ITRIAD 2 IQUAD 2
: IVEG 0 ITURBV 0
: IMUD 0
Spatial step : DX 0.1000E+00 DY 0.1000E+00
Spectral bin : df/f 0.1346E+00 DDIR 0.2000E+02
Physical constants : GRAV 0.9810E+01 RHO 0.1025E+04
Wind input : WSPEED 0.0000E+00 DIR 0.0000E+00
Tail parameters : E(f) 0.4000E+01 E(k) 0.2500E+01
: A(f) 0.5000E+01 A(k) 0.3000E+01
Accuracy parameters : DREL 0.1000E-01 NPNTS 0.9950E+02
: DHABS 0.5000E-02 CURVAT 0.5000E-02
: GRWMX 0.1000E+00
Drying/flooding : LEVEL 0.0000E+00 DEPMIN 0.5000E-01
The Cartesian convention for wind and wave directions is used
Scheme for geographic propagation is BSBT
Scheme geogr. space : PROPSC 1 ICMAX 5
Scheme spectral space: CSS 0.5000E+00 CDD 0.5000E+00
Current is off
Quadruplets : IQUAD 2
: LAMBDA 0.2500E+00 CNL4 0.3000E+08
: CSH1 0.5500E+01 CSH2 0.8330E+00
: CSH3 -0.1250E+01
Maximum Ursell nr for Snl4 : 0.1000E+02
Triads : ITRIAD 2 TRFAC 0.5000E-01
: CUTFR 0.2500E+01 URCRI 0.1000E-01
Minimum Ursell nr for Snl3 : 0.1000E-01
Collins (`72) : CFW 0.1500E-01 CFC 0.0000E+00
Vegetation is off
Turbulence is off
Fluid mud is off
W-cap Komen (`84) : EMPCOF (CDS2): 0.2360E-04
W-cap Komen (`84) : APM (STPM) : 0.3020E-02
W-cap Komen (`84) : POWST : 0.2000E+01
W-cap Komen (`84) : DELTA : 0.1000E+01
W-cap Komen (`84) : POWK : 0.1000E+01
Snyder/Komen wind input
Battjes&Janssen (`78): ALPHA 0.1000E+01 GAMMA 0.7300E+00
Set-up is off
Diffraction is off
Janssen (`89,`90) : ALPHA 0.1000E-01 KAPPA 0.4100E+00
Janssen (`89,`90) : RHOA 0.1280E+01 RHOW 0.1025E+04
1st and 2nd gen. wind: CF10 0.1880E+03 CF20 0.5900E+00
: CF30 0.1200E+00 CF40 0.2500E+03
: CF50 0.2300E-02 CF60 -0.2230E+00
: CF70 0.0000E+00 CF80 -0.5600E+00
: RHOAW 0.1249E-02 EDMLPM 0.3600E-02
: CDRAG 0.1230E-02 UMIN 0.1000E+01
: LIM_PM 0.1300E+00
not possible to compute, first iteration
Time of computation -> 20100101.120000 in sec: 43200.
not possible to compute, first iteration
Time of computation -> 20100101.180000 in sec: 64800.
not possible to compute, first iteration
Time of computation -> 20100102.000000 in sec: 86400.
not possible to compute, first iteration
Time of computation -> 20100102.060000 in sec: 108000.
not possible to compute, first iteration
Time of computation -> 20100102.120000 in sec: 129600.
not possible to compute, first iteration
Time of computation -> 20100102.180000 in sec: 151200.
not possible to compute, first iteration
STOP
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