Ansys Fluent Simulation Report

Analyst erick

Date 11/25/2024 04:27 PM

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 Plots
7 Contours
8 Pathlines

System Information

Application Fluent

Settings 2d, double precision, pressure-based, SST k-omega

Version 24.2.0-10192

Source Revision 149ed7492d

Build Time May 13 2024 11:30:03 EST

CPU AMD Ryzen 3 3250U with Radeon Graphics

OS Windows
Geometry and Mesh

Mesh Size
Cells Faces Nodes

401 865 465

Mesh Quality
Name Type Min Orthogonal Quality Max Aspect Ratio

fff_surface Mixed Cell 0.82515458 2.6636135

Orthogonal Quality
Simulation Setup

Physics

Models
Model Settings

Space 2D

Time Steady

Viscous SST k-omega turbulence model

Heat Transfer Enabled

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

 fff_surface

Material Name air

Specify source terms? no

Specify fixed values? no

Frame Motion? no

Laminar zone? no

Porous zone? no

Boundary Conditions
 Inlet

 inlet_1

Velocity Specification Method Magnitude, Normal to Boundary

Reference Frame Absolute

 Velocity Magnitude [m/s] 0.5

Supersonic/Initial Gauge Pressure [Pa] 0

Temperature [K] 300

Turbulence Specification Method Intensity and Viscosity Ratio

Turbulent Intensity [%] 5

Turbulent Viscosity Ratio 10

 inlet_2

Velocity Specification Method Magnitude, Normal to Boundary

Reference Frame Absolute

Velocity Magnitude [m/s] 1

Supersonic/Initial Gauge Pressure [Pa] 0

Temperature [K] 400

Turbulence Specification Method Intensity and Viscosity Ratio

Turbulent Intensity [%] 5

Turbulent Viscosity Ratio 10

 Outlet

 outlet

Backflow Reference Frame Absolute

Gauge Pressure [Pa] 0

Pressure Profile Multiplier 1

Backflow Total Temperature [K] 300

Backflow Direction Specification Method Normal to Boundary

Turbulence 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

Average Pressure Specification? no

Specify targeted mass flow rate no

 Wall

 wall

Wall Thickness [m] 0

Heat Generation Rate [W/m^3] 0

Material Name aluminum

Thermal BC Type Temperature

Temperature [K] 350

Wall Motion Stationary Wall

Shear Boundary Condition No Slip

Wall Surface Roughness Standard

Wall Roughness Height [m] 0

Wall Roughness Constant 0.5

Convective Augmentation Factor 1

Reference Values
 Area 1 m^2

Density 1.225 kg/m^3

Depth 1m

Enthalpy 0 J/kg

Length 1m

Pressure 0 Pa

Temperature 288.16 K

Velocity 1 m/s

Viscosity 1.7894e-05 kg/(m s)

Ratio of Specific Heats 1.4

Yplus for Heat Tran. Coef. 300

Reference Zone fff_surface

Solver Settings
 Equations

Flow True

Turbulence True

Energy True

 Numerics

Absolute Velocity Formulation True

 Pseudo Time Explicit Relaxation Factors

Density 1

Body Forces 1

Turbulent Kinetic Energy 0.75

Specific Dissipation Rate 0.75

Turbulent Viscosity 1

Energy 0.75

Explicit Momentum 0.5

Explicit Pressure 0.5

 Pressure-Velocity Coupling

Type Coupled

Pseudo Time Method (Global Time Step) True

 Discretization Scheme

Pressure Second Order

Momentum Second Order Upwind

Turbulent Kinetic Energy Second Order Upwind

Specific Dissipation Rate Second Order Upwind

Energy Second Order Upwind

 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 Spec. Dissipation Rate [s^-1] 1e-20

Maximum Turb. Viscosity Ratio 100000

Run Information

Number of Machines 1

Number of Cores 4

Case Read 15.428 seconds

Iteration 1.312 seconds

AMG 0.296998 seconds

Virtual Current Memory 1.07335 GB

Virtual Peak Memory 1.23567 GB

Memory Per M Cell 1124.35

Solution Status

Iterations: 86

Value Absolute Criteria Convergence Status

continuity 0.0004728483 0.001 Converged

x-velocity 1.726836e-06 0.001 Converged

y-velocity 6.171492e-07 0.001 Converged

energy 9.479867e-07 1e-06 Converged

k 3.613983e-05 0.001 Converged

omega 1.391872e-05 0.001 Converged

Plots

Residuals

Residuals

2.00e+0
continuity
1.00e+0
5.00e−1 x-velocity
y-velocity
2.00e−1
energy
1.00e−1
k
5.00e−2
omega
2.00e−2
1.00e−2
5.00e−3
Residuals

2.00e−3
1.00e−3
5.00e−4

2.00e−4
1.00e−4
5.00e−5

2.00e−5
1.00e−5
5.00e−6

2.00e−6
1.00e−6
5.00e−7

20 40 60 80

Iterations
Contours

contour-3

contour-2
contour-1
Pathlines

pathlines-3

pathlines-2
pathlines-1