Ansys Fluent Simulation Report
Analyst Administrator
Date 8/23/2024 10:48 AM
Table of Contents
1 System Information
2 Geometry and Mesh
2.1 Mesh Size
2.2 Mesh Quality
2.3 Orthogonal Quality
3 Simulation Setup
3.1 Physics
3.1.1 Models
3.1.2 Material Properties
3.1.3 Cell Zone Conditions
3.1.4 Boundary Conditions
3.1.5 Reference Values
3.2 Solver Settings
4 Run Information
5 Solution Status
6 Report Definitions
7 Plots
8 Contours
9 Vectors
System Information
Application Fluent
Settings 3d, double precision, density-based implicit, standard k-epsilon, transient
Version 24.1.0-10184
Source Revision 5b3f9fb3c8
Build Time Nov 22 2023 10:32:41 EST
CPU AMD Ryzen 5 3600X 6-Core Processor
OS Windows
Geometry and Mesh
Mesh Size
Cells Faces Nodes
112764 532525 325367
Mesh Quality
Name Type Min Orthogonal Quality Max Aspect Ratio
solid Mixed Cell 0.20201715 39.109971
Orthogonal Quality
Simulation Setup
Physics
Models
Model Settings
Space 3D
Time Unsteady, 1st-Order Implicit
Viscous Standard k-epsilon turbulence model
Wall Treatment Standard Wall Functions
Material Properties
Fluid
air
Density 1.225 kg/m^3
Cp (Specific Heat) 1006.43 J/(kg K)
Thermal Conductivity 0.0242 W/(m K)
Viscosity 1.7894e-05 kg/(m s)
Molecular Weight 28.966 kg/kmol
Solid
aluminum
Density 2719 kg/m^3
Cp (Specific Heat) 871 J/(kg K)
Thermal Conductivity 202.4 W/(m K)
Cell Zone Conditions
Fluid
solid
Material Name air
Specify source terms? no
Specify fixed values? no
Frame Motion? no
Mesh Motion? no
Laminar zone? no
Porous zone? no
3D Fan Zone? no
Boundary Conditions
Inlet
inlet
Velocity Specification Method Magnitude, Normal to Boundary
Reference Frame Absolute
Velocity Magnitude [m/s] 25
Supersonic/Initial Gauge Pressure [Pa] 0
Turbulent Specification Method Intensity and Viscosity Ratio
Turbulent Intensity [%] 5
Turbulent Viscosity Ratio 10
Outflow Gauge Pressure [Pa] 0
Outlet
outlet
Backflow Reference Frame Absolute
Gauge Pressure [Pa] 0
Pressure Profile Multiplier 1
Backflow Direction Specification Method Normal to Boundary
Turbulent Specification Method Intensity and Viscosity Ratio
Backflow Turbulent Intensity [%] 5
Backflow Turbulent Viscosity Ratio 10
Backflow Pressure Specification Total Pressure
Build artificial walls to prevent reverse flow? no
Radial Equilibrium Pressure Distribution no
Average Pressure Specification? no
Specify targeted mass flow rate no
Symmetry
symmetry symmetry
Wall
winglet
Wall Motion Stationary Wall
Shear Boundary Condition No Slip
Wall Roughness Height [m] 0
Wall Roughness Constant 0.5
mainbodywing
Wall Motion Stationary Wall
Shear Boundary Condition No Slip
Wall Roughness Height [m] 0
Wall Roughness Constant 0.5
walls
Wall Motion Stationary Wall
Shear Boundary Condition No Slip
Wall Roughness Height [m] 0
Wall Roughness Constant 0.5
Reference Values
Area 1.31 m^2
Density 1.225 kg/m^3
Enthalpy 0 J/kg
Length 1.94 m
Pressure 0 Pa
Temperature 288.16 K
Velocity 30 m/s
Viscosity 1.7894e-05 kg/(m s)
Ratio of Specific Heats 1.4
Yplus for Heat Tran. Coef. 300
Reference Zone solid
Solver Settings
Equations
Flow True
Turbulence True
Numerics
Absolute Velocity Formulation True
Unsteady Calculation Parameters
Number of Time Steps 100
Time Step Size [s] 1e-05
Max Iterations/Time Step 20
Under-Relaxation Factors
Turbulent Kinetic Energy 0.8
Turbulent Dissipation Rate 0.8
Turbulent Viscosity 1
Discretization Scheme
Flow Second Order Upwind
Turbulent Kinetic Energy First Order Upwind
Turbulent Dissipation Rate First Order Upwind
Time Marching
Solver Implicit
Physical Time Step Size 1e-05
Courant Number 5
Solution Limits
Minimum Absolute Pressure [Pa] 1
Maximum Absolute Pressure [Pa] 5e+10
Minimum Static Temperature [K] 1
Maximum Static Temperature [K] 5000
Minimum Turb. Kinetic Energy [m^2/s^2] 1e-14
Minimum Turb. Dissipation Rate [m^2/s^3] 1e-20
Maximum Turb. Viscosity Ratio 100000
Run Information
Number of Machines 1
Number of Cores 4
Case Read 2.674 seconds
Iteration 556.849 seconds
AMG 236.618 seconds
Virtual Current Memory 2.93402 GB
Virtual Peak Memory 2.97519 GB
Memory Per M Cell 17.947
Solution Status
Flow Time: 0.001
Time Step: 100
Value Absolute Criteria Convergence Status
continuity 0.0001883778 0.001 Converged
x-velocity 2.125788e-05 0.001 Converged
y-velocity 2.21472e-05 0.001 Converged
z-velocity 5.178774e-05 0.001 Converged
k 1.382593e-12 0.001 Converged
epsilon 1.388087e-12 0.001 Converged
Report Definitions
lf 98.65291 N
cl 0.1366124
df 14.05194 N
cd 0.01945882
delta-time 1e-05 s
iters-per-timestep 20
flow-time 0.001 s
Plots
Residuals
Residuals
continuity
x-velocity
y-velocity
1.00e−2
z-velocity
k
epsilon
1.00e−4
Residuals
1.00e−6
1.00e−8
1.00e−10
1.00e−12
500 1000 1500 2000
Iterations
cd-rplot
cd-rplot
cd
2.00e−2
1.00e−2
Cd ()
0.00e+0
−1.00e−2
−2.00e−2
0.0000 0.0002 0.0004 0.0006 0.0008 0.0010
flow-time (s)
df-rplot
df-rplot
df
1.50e+1
1.00e+1
5.00e+0
Drag (N)
0.00e+0
−5.00e+0
−1.00e+1
−1.50e+1
0.0000 0.0002 0.0004 0.0006 0.0008 0.0010
flow-time (s)
cl-rplot
cl-rplot
1.80e−1
cl
1.60e−1
1.40e−1
1.20e−1
1.00e−1
Cl ()
8.00e−2
6.00e−2
4.00e−2
2.00e−2
0.00e+0
0.0000 0.0002 0.0004 0.0006 0.0008 0.0010
flow-time (s)
lf-rplot
lf-rplot
lf
1.20e+2
1.00e+2
8.00e+1
Lift (N)
6.00e+1
4.00e+1
2.00e+1
0.00e+0
0.0000 0.0002 0.0004 0.0006 0.0008 0.0010
flow-time (s)
Contours
contour-1
Vectors
vector-1
