<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div><span style="font-size: 12pt;">Hi all,</span><br></div><div data-marker="__QUOTED_TEXT__"><div style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt;color:#000000"><br><div>As a newbie in this field, I need help for the following problem, which I have been trying to deal with for a long time.</div><br><div>I built a regional model for my thesis study. When I try to run it for 12 or more days, it gives "NaN" values after 8 or 9 days later in the model. </div><div>Could you please examine the following model configuration and give me an idea for possible solution?</div><br><div>(I had to choose Orlanski method since don't have any boundary condition to feed the model.)</div><br><div>Thank you in advance.</div><div>Sabri</div><br><div><div> &PARM01</div><div> viscAh=2.E-2,</div><div> viscAz=1.5E-5,</div><div> no_slip_sides=.TRUE.,</div><div> no_slip_bottom=.TRUE.,</div><div> diffKhT=2.E-2,</div><div> diffKhS=2.E-2,</div><div> diffKzT=2.E-5,</div><div> diffKzS=2.E-5,</div><div> f0=0.948E-4,</div><div> implicitFreeSurface=.TRUE.,</div><div> exactConserv=.TRUE.,</div><div> implicitDiffusion=.TRUE.,</div><div> implicitViscosity=.TRUE.,</div><div> eosType = 'JMD95Z',</div><div> tRef=22.2803,22.3383,22.3646,22.4220,22.5469,22.5081,21.0406,19.6075,18.3619,16.7902,15.8310,15.4016,15.3625,15.3935,15.4334,15.4465,15.4508,15.4710,15.5226,</div><div> 15.5428,15.5485,15.5589,15.5829,15.5860,15.5859,15.5767,15.5572,15.5477,15.5357,15.5068,15.4782,15.4640,15.4337,15.3816,15.3480,15.2998,15.2423,15.2127,</div><div> 15.1271,15.0639,15.0086,14.9722,14.9229,14.8937,14.8470,14.8073,14.7838,14.7677,14.7392,14.7210,14.7037,14.7036,14.7035,14.7034,14.7033,</div><div> sRef=24.3775,24.4042,24.4730,24.5782,24.7042,24.8407,25.8279,26.4026,28.0163,30.1542,31.7531,33.9951,37.0132,37.5629,37.8303,37.9592,38.0011,38.1433,38.2744,</div><div> 38.3184,38.3548,38.4269,38.5535,38.6043,38.6738,38.7411,38.7479,38.7496,38.7510,38.7512,38.7469,38.7529,38.7569,38.7644,38.7666,38.7683,38.7698,38.7696,</div><div> 38.7635,38.7563,38.7513,38.7476,38.7427,38.7399,38.7354,38.7326,38.7305,38.7280,38.7254,38.7236,38.7220,38.7220,38.7220,38.7220,38.7220,</div><div> staggerTimeStep = .TRUE.,</div><div> tempAdvScheme = 33,</div><div> saltAdvScheme = 33,</div><div> useSingleCpuIO=.TRUE.,</div><div> bottomDragQuadratic = 0.02,</div><div> select_rStar = 0,</div><div> &</div><br><div> &PARM02</div><div> cg2dMaxIters=300,</div><div> cg2dTargetResidual=1.E-13,</div><div> cg3dMaxIters=20,</div><div> cg3dTargetResidual=1.E-8,</div><div> &</div><div>---------</div><div><div> &PARM03</div><div> startTime = 0.,</div><div> endTime = 1036800.,</div><div> deltaT=5,</div><div> dumpFreq=10800.,</div><div> monitorFreq=3600.,</div><div> monitorSelect=2,</div><div> periodicExternalForcing=.TRUE.,</div><div> externForcingPeriod=10800.,</div><div> externForcingCycle=1036800.,</div><div> &</div><br><div> &PARM04</div><div> usingSphericalPolarGrid=.TRUE.,</div><div> delz = 32*2,22*8,10,</div></div></div><div><div> delX = 528*0.0013,</div><div> delY = 164*0.001,</div><div> ygOrigin=40.656,</div><div> xgOrigin=29.2612,</div><div> &</div><br><div> &PARM05</div><div> bathyFile='bathy_v6_528-164.bin',</div><div> zonalWindFile='windU_2309-0510.bin',</div><div> meridWindFile='windV_2309-0510.bin',</div><div> &</div><br><div><div># Open-boundaries</div><div> &OBCS_PARM01</div><div> OB_Iwest=164*1,</div><div> useOrlanskiWest=.TRUE.,</div><div> useOBCSbalance=.TRUE.,</div><div> useOBCSsponge=.FALSE.,</div><div> OBCS_balanceFacW = -1.,</div><div> &</div><br></div></div><div><div># Packages</div><div> &PACKAGES</div><div> useOBCS=.TRUE.,</div><div> useKPP =.TRUE.,</div><div> &</div></div></div><br></div></div></body></html>