ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAEAF
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Normal
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INPUT
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IDNS1 - 10m/sNS2 - 16m/sNS3 - 20m/sNP1 - sitting open (=NS1)NP2S1 - sitting close - 10m/sNP2S2 - sitting close - 16m/sNP2S3 - sitting close - 20m/sNP3 - straight openNP4 - straight close
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SpeedPosition
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U∞101620101016201010m/sFreestream velocity
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ρ1,225kg/m3Density
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μ0,00001801kg/msDynamic viscosityhttps://www.engineeringtoolbox.com/air-absolute-kinematic-viscosity-d_601.html
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L1,11121,4911,491mReference length
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y+4163,578414163,5784040-Desired y+
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Ad0,510,47m2Reference area (OS)
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OUTPUT32,50 mm
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Cf0,003760100,003515930,003405610,003760100,003760100,003515930,003405610,003605450,00360545
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τwall0,230306360,551297340,834375670,230306360,230306360,551297340,834375670,220833600,22083360
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Ufric0,433595650,670849190,825301760,433595650,433595650,670849190,825301760,424584890,42458489
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ΔS0,001390,001390,001390,001390,001390,001390,001390,001390,00139mWall spacing
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Re755813120930115116277558137558131209301151162710141451014145-Reynolds number
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RESULTS
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Cd0,880,880,880,880,830,830,83Drag coeff.
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Fdp27,16 N69,59 N108,77 N27,16 N23,59 N60,42 N94,41 NNPressure force
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Fdv0,33 N0,75 N1,10 N0,33 N0,32 N0,73 N1,05 NNViscous force
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Fd27,50 N70,34 N109,87 N27,50 N23,92 N61,15 N95,45 NNResultant drag force
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INITIAL CONDITIONS
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I1,00%
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β11,6
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k0,0150,03840,060,0150,03840,060,015m2/s2
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ω87,954225,162351,81687,954225,162351,81687,9541/s
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MESH
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Layer refinement (for all cases)Refinement level (for all cases)
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# of Layers301,4m1400,00 mmBase cell size
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Expansion ratio1,110,7m700,00 mm
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Reducing factor98,00%20,35m350,00 mm
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Sum of layers0,00450952m4,51 mm30,175m175,00 mm
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40,0875m87,50 mm
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Layers50,04375m43,75 mm
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10,00139020m1,39 mm60,021875m21,88 mm
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20,00152922m1,53 mm70,0109375m10,94 mmFinest level
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30,00168214m1,68 mm80,00546875m5,47 mm
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90,002734375m2,73 mm
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Feature refinement (for all cases)100,0013671875m1,37 mm
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70m0,00 mm
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60,0546875m54,69 mm41,23%
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