Hi, this is steady-state CFD simulation report of:

ship-full-1

Created by TCFD 21.02 on Mon Mar 8 19:25:35 2021

DISCOVER

Simulation Stats

Test Case Name	ship-full-1
Number of Points [ – ]	5
Machine Type	propeller
Rotation Speed [ RPM ]	570.000
Number of Components [ – ] ( topology )	3
Mesh Size [ cells ] ( details )	Fluid : 1811345 Tail : 1206054 Propeller : 371690 Total : 3389089
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 4.44084 × 10-16 N/A 1 cellVolume 6.25530 1.53238 × 108 N/A 1 faceArea 0.898698 302734. N/A 1 aspectRatio N/A 7.87219 N/A 1 nonOrthogonality N/A 61.6700 13.2261 1 skewness N/A 2.90831 N/A 1 edgeLength 0 565.468 N/A 1 concaveAngle N/A 76.0280 N/A 1 faceFlatness 0.571006 N/A 0.998747 1 cellDeterminant 0.0587926 N/A 19.8681 1 faceInterpolationWeight 0.105795 N/A 0.448111 1 faceVolumeRatio 0.0238806 0.730624 N/A 1 Warnings: 438 faces with low quality or negative volume decomposition tets 14 points on short edges 8440 faces with concave angles 2 warped faces 170464 concave cells 2 cellOpenness N/A 3.11095 × 10-16 N/A 2 cellVolume 0.0736455 905.025 N/A 2 faceArea 0.134414 235.185 N/A 2 aspectRatio N/A 15.0490 N/A 2 nonOrthogonality N/A 72.6536 11.4584 2 skewness N/A 2.66250 N/A 2 edgeLength N/A N/A N/A 2 concaveAngle N/A N/A N/A 2 faceFlatness 0.878002 N/A 0.999090 2 cellDeterminant 0 N/A 1.72222 2 faceInterpolationWeight 0.107015 N/A 0.470008 2 faceVolumeRatio 0.116356 0.900458 N/A 2 Warnings: 682476 unordered faces 12 non-orthogonal faces 151 under-determined cells 3 cellOpenness N/A 3.80374 × 10-16 N/A 3 cellVolume 0.351770 125.654 N/A 3 faceArea 0.285856 46.1108 N/A 3 aspectRatio N/A 24.8254 N/A 3 nonOrthogonality N/A 83.6654 42.6829 3 skewness N/A 2.43557 N/A 3 edgeLength N/A N/A N/A 3 concaveAngle N/A N/A N/A 3 faceFlatness 0.988174 N/A 0.999835 3 cellDeterminant 0.00273959 N/A 1.82270 3 faceInterpolationWeight 0.0435062 N/A 0.483239 3 faceVolumeRatio 0.0449488 0.922343 N/A 3 Warnings: 379863 unordered faces 19950 non-orthogonal faces 55 faces with low interpolation weights
Simulation score [ – ]	details
Point flow rate bounding residuals 1 2 3 4 5
Average y+ at walls [ – ]	details
y+ details: Point Patch Min Max Avg 1 Fluid_MAIN_HULL_wall 1.07086 59.2375 29.8705 1 Fluid_WALL_wall 2260.14 3925.33 3623.91 1 Tail_TAIL-BOYI-2_wall 1.53691 26.7594 11.5122 1 Tail_TAIL_wall 0.890869 27.5236 12.3970 1 Tail_RUDDER_wall 0.513620 342.731 63.5209 1 Tail_TAIL-BOYI-1_wall 0.766456 19.1117 11.4982 1 Propeller_BACK_wall 9.10416 446.703 89.4811 1 Propeller_FACE_wall 3.88801 470.322 82.8375 1 Propeller_HUB_wall 15.6722 126.212 74.5143 1 Propeller_BACK1_wall 12.6922 431.755 121.062 1 Propeller_FACE1_wall 9.33199 440.116 110.266 2 Fluid_MAIN_HULL_wall 1.72495 107.968 54.9024 2 Fluid_WALL_wall 2330.78 7431.99 6356.25 2 Tail_TAIL-BOYI-2_wall 2.39115 31.2618 12.1728 2 Tail_TAIL_wall 1.66134 32.2545 15.1837 2 Tail_RUDDER_wall 0.711759 310.153 64.6531 2 Tail_TAIL-BOYI-1_wall 1.09837 26.3645 12.2300 2 Propeller_BACK_wall 13.1426 464.474 115.252 2 Propeller_FACE_wall 8.62975 448.230 101.478 2 Propeller_HUB_wall 11.1573 126.000 76.3612 2 Propeller_BACK1_wall 18.1591 474.205 145.342 2 Propeller_FACE1_wall 17.0575 426.044 123.231 3 Fluid_MAIN_HULL_wall 1.64310 156.610 79.2624 3 Fluid_WALL_wall 2268.16 10831.7 8554.60 3 Tail_TAIL-BOYI-2_wall 2.34393 37.3333 14.6837 3 Tail_TAIL_wall 8.64886 32.5874 18.1032 3 Tail_RUDDER_wall 9.44731 279.651 64.9691 3 Tail_TAIL-BOYI-1_wall 1.10235 25.3220 14.5229 3 Propeller_BACK_wall 13.4192 490.327 135.629 3 Propeller_FACE_wall 11.1908 439.086 120.795 3 Propeller_HUB_wall 11.5509 131.958 80.8925 3 Propeller_BACK1_wall 19.1086 504.474 160.671 3 Propeller_FACE1_wall 18.8502 450.112 129.840 4 Fluid_MAIN_HULL_wall 1.63112 204.468 102.934 4 Fluid_WALL_wall 2239.90 14115.0 10174.7 4 Tail_TAIL-BOYI-2_wall 3.21459 47.9845 18.2711 4 Tail_TAIL_wall 11.2048 41.5995 23.0515 4 Tail_RUDDER_wall 9.49174 294.317 65.2091 4 Tail_TAIL-BOYI-1_wall 1.69795 31.2039 17.7401 4 Propeller_BACK_wall 14.7311 521.810 131.954 4 Propeller_FACE_wall 13.3136 479.618 129.998 4 Propeller_HUB_wall 15.4238 162.747 90.6529 4 Propeller_BACK1_wall 18.9803 514.950 164.751 4 Propeller_FACE1_wall 22.1700 471.913 136.522 5 Fluid_MAIN_HULL_wall 1.63318 232.803 116.803 5 Fluid_WALL_wall 2229.32 16019.8 10881.9 5 Tail_TAIL-BOYI-2_wall 3.48583 53.8777 20.1782 5 Tail_TAIL_wall 11.5863 46.8315 26.0595 5 Tail_RUDDER_wall 10.2586 292.236 67.4576 5 Tail_TAIL-BOYI-1_wall 1.98076 34.9776 19.5077 5 Propeller_BACK_wall 15.0575 537.901 131.538 5 Propeller_FACE_wall 15.0139 503.596 131.530 5 Propeller_HUB_wall 13.7399 179.054 98.0418 5 Propeller_BACK1_wall 17.5344 505.071 163.359 5 Propeller_FACE1_wall 22.6587 484.083 139.031
Wall-clock time [ hh:mm:ss ]	00:01:31 (meshing) 04:01:55 (calculation)
Parallel Processors [ – ]	24
Fluid Name	water
Physical Model	incompressible
Numerical order	second
Turbulence model	kOmegaSST

Performance Curve

1:INLET-WATER — 1:OUT

Point Nr.	Flow number [ – ]	Compression number [ – ]
1	0.486020	0.378417
2	0.423021	0.506943
3	0.371839	0.584928
4	0.324313	0.634780
5	0.292528	0.642781

Efficiency

1:INLET-WATER — 1:OUT

Point Nr.	Flow Rate [ m3/s ]	Efficiency [ – ]
1	83.4178	0.231030
2	166.836	0.453264
3	250.253	0.658235
4	333.671	0.835038
5	383.722	0.921402

Torque

Point Nr.	Torque [ N.m ]
1	5.40033
2	4.69120
3	3.83409
4	2.88335
5	2.35374

Axial Force

Point Nr.	Axial Force [ N ]
1	148.944
2	126.923
3	100.428
4	71.8587
5	56.2838

Radial Force

Point Nr.	Radial Force [ N ]
1	1.65975
2	2.04172
3	5.45650
4	9.93096
5	12.0336

Force Coefficients

#1: 1:MAIN_HULL, 2:TAIL-BOYI-2, 2:TAIL, 2:TAIL-BOYI-1

Setup Nr.	Point Nr.	Lift Coeff [ – ]	Drag Coeff [ – ]	Moment Coeff [ – ]
1	1	-0.0138920	0.00271931	-0.00846152
1	2	-0.0355143	0.00587714	0.00208911
1	3	-0.0691888	0.0101312	0.0264094
1	4	-0.117574	0.0157372	0.0609552
1	5	-0.152939	0.0195637	0.0874591

Forces X Y Z

#1: 1:MAIN_HULL, 2:TAIL-BOYI-2, 2:TAIL, 2:TAIL-BOYI-1

Setup Nr.	Point Nr.	Fx [ N ]	Fy [ N ]	Fz [ N ]
1	1	-12.8068	-0.294450	-65.4254
1	2	-27.6788	-0.222393	-167.257
1	3	-47.7135	-1.56045	-325.849
1	4	-74.1152	-7.68873	-553.720
1	5	-92.1365	-12.0183	-720.278

Torques X Y Z

#1: 1:MAIN_HULL, 2:TAIL-BOYI-2, 2:TAIL, 2:TAIL-BOYI-1

Setup Nr.	Point Nr.	Tx [ N.m ]	Ty [ N.m ]	Tz [ N.m ]
1	1	0.251969	-39.8500	0.580859
1	2	0.0357136	9.83880	0.436644
1	3	0.0634699	124.377	3.91889
1	4	1.94936	287.073	17.1159
1	5	3.05206	411.894	26.2089

Cavitation Risk

Point Nr.	Flow Rate [ m3/s ]	Cavitating Volume [ m3 ]	Cavitating Volume [ % ]
1	83.4178	0	0
2	166.836	0	0
3	250.253	0	0
4	333.671	0	0
5	383.722	0	0

Cavitation Index

Point Nr.	Flow Rate [ m3/s ]	Cavitating Volume [ – ]
1	83.4178	406.106
2	166.836	101.530
3	250.253	45.1266
4	333.671	25.3851
5	383.722	19.1955

Net Positive Suction Head

Point Nr.	Flow Rate [ m3/s ]	NPSH [ m ]
1	83.4178	10.3620
2	166.836	10.4006
3	250.253	10.4648
4	333.671	10.5546
5	383.722	10.6207

Meridional Average

Setup #1

Meshes:3Field:p

Setup #2

Meshes:	3
Field:	Uar