Model: 1
Size: Dia 127x650 mm.
Wind Velocity in X Direction = 47M/S
Input data given : General Settings
Analysis type – External
Fluids: AIR (Gases)
Flow type: Turbulent
Thermodynamic Parameters:
Parameters - Pressure, Density
Pressure- 1325 Pa
Density 1.2kg/m^3
Velocity Parameters:
Velocity in X Direction: 47 m/s
Velocity in Y Direction: 0 m/s
Velocity in Z Direction: 0 m/s
Computational Domain Size:
X, -X | Y, -Y | Z, -Z |
Study A. 1.58, -1.58 | 0.65, -0.65m | 1.58, -1.58 m |
Study B. 2.22, -2.22m | 0.25, -0.25m | 2.22, -2.22m |
Goals: Global Goal
surface Goal
Applied Equation:
({GG Force (X) 1} *2)/ (1.2*47^2*3.14*0.5*0.127*0.65) 
(Based on drag coefficient formula)
({SG Force (X) 1} *2)/ (1.2*47^2*3.14*0.5*0.127*0.65)
Standard Values: Cd – 0.5 (Dvd >6) (Standard Values Reference from IS 875 Part 3)
Standard code IS 875 Link ( https://archive.org/details/gov.law.is.875.3.1987 ) Page no: 40 Table no:23
Achieved Values:
Global Goal | Surface goal | ||
Cd Value | Average | Cf Value | Average |
Study A. 0.81 | 0.81 | 0.81 | 0.81 |
Study B. 0.81 | 0.81 | 0.81 | 0.81 |
EDITED BY MODERATOR: Moved to the Flow Simulation sub-space. Please post to the appropriate sub-space when one exists.