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Файл:ANSYS Fluent Tutorial Guide.pdf
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- •ANSYS Fluent Tutorial Guide
- •Table of Contents
- •Using This Manual
- •1. What’s In This Manual
- •2. How To Use This Manual
- •2.1. For the Beginner
- •2.2. For the Experienced User
- •3. Typographical Conventions Used In This Manual
- •Chapter 1: Fluid Flow in an Exhaust Manifold
- •1.1. Introduction
- •1.2. Prerequisites
- •1.3. Problem Description
- •1.4. Setup and Solution
- •1.4.1. Preparation
- •1.4.2. Meshing Workflow
- •1.4.3. General Settings
- •1.4.4. Solver Settings
- •1.4.5. Models
- •1.4.6. Materials
- •1.4.7. Cell Zone Conditions
- •1.4.8. Boundary Conditions
- •1.4.9. Solution
- •1.4.10. Postprocessing
- •1.5. Summary
- •Chapter 2: Fluid Flow and Heat Transfer in a Mixing Elbow
- •2.1. Introduction
- •2.2. Prerequisites
- •2.3. Problem Description
- •2.4. Setup and Solution
- •2.4.1. Preparation
- •2.4.2. Launching ANSYS Fluent
- •2.4.3. Reading the Mesh
- •2.4.4. Setting Up Domain
- •2.4.5. Setting Up Physics
- •2.4.6. Solving
- •2.4.7. Displaying the Preliminary Solution
- •2.4.8. Adapting the Mesh
- •2.5. Summary
- •Chapter 3: Postprocessing
- •3.1. Introduction
- •3.2. Prerequisites
- •3.3. Problem Description
- •3.4. Setup and Solution
- •3.4.1. Preparation
- •3.4.2. Reading the Mesh
- •3.4.3. Manipulating the Mesh in the Viewer
- •3.4.4. Adding Lights
- •3.4.5. Creating Isosurfaces
- •3.4.6. Generating Contours
- •3.4.7. Generating Velocity Vectors
- •3.4.8. Creating an Animation
- •3.4.9. Displaying Pathlines
- •3.4.10. Creating a Scene With Vectors and Contours
- •3.4.11. Advanced Overlay of Pathlines on a Scene
- •3.4.12. Creating Exploded Views
- •3.4.13. Animating the Display of Results in Successive Streamwise Planes
- •3.4.14. Generating XY Plots
- •3.4.15. Creating Annotation
- •3.4.16. Saving Picture Files
- •3.4.17. Generating Volume Integral Reports
- •3.5. Summary
- •Chapter 4: Modeling Periodic Flow and Heat Transfer
- •4.1. Introduction
- •4.2. Prerequisites
- •4.3. Problem Description
- •4.4. Setup and Solution
- •4.4.1. Preparation
- •4.4.2. Mesh
- •4.4.3. General Settings
- •4.4.4. Models
- •4.4.5. Materials
- •4.4.6. Cell Zone Conditions
- •4.4.7. Periodic Conditions
- •4.4.8. Boundary Conditions
- •4.4.9. Solution
- •4.4.10. Postprocessing
- •4.5. Summary
- •4.6. Further Improvements
- •Chapter 5: Modeling External Compressible Flow
- •5.1. Introduction
- •5.2. Prerequisites
- •5.3. Problem Description
- •5.4. Setup and Solution
- •5.4.1. Preparation
- •5.4.2. Mesh
- •5.4.3. Solver
- •5.4.4. Models
- •5.4.5. Materials
- •5.4.6. Boundary Conditions
- •5.4.7. Operating Conditions
- •5.4.8. Solution
- •5.4.9. Postprocessing
- •5.5. Summary
- •5.6. Further Improvements
- •Chapter 6: Modeling Transient Compressible Flow
- •6.1. Introduction
- •6.2. Prerequisites
- •6.3. Problem Description
- •6.4. Setup and Solution
- •6.4.1. Preparation
- •6.4.2. Reading and Checking the Mesh
- •6.4.3. Solver and Analysis Type
- •6.4.4. Models
- •6.4.5. Materials
- •6.4.6. Operating Conditions
- •6.4.7. Boundary Conditions
- •6.4.8. Solution: Steady Flow
- •6.4.9. Enabling Time Dependence and Setting Transient Conditions
- •6.4.10. Specifying Solution Parameters for Transient Flow and Solving
- •6.4.11. Saving and Postprocessing Time-Dependent Data Sets
- •6.5. Summary
- •6.6. Further Improvements
- •Chapter 7: Modeling Flow Through Porous Media
- •7.1. Introduction
- •7.2. Prerequisites
- •7.3. Problem Description
- •7.4. Setup and Solution
- •7.4.1. Preparation
- •7.4.2. Mesh
- •7.4.3. General Settings
- •7.4.4. Models
- •7.4.5. Materials
- •7.4.6. Cell Zone Conditions
- •7.4.7. Boundary Conditions
- •7.4.8. Solution
- •7.4.9. Postprocessing
- •7.5. Summary
- •7.6. Further Improvements
- •Chapter 8: Modeling Radiation and Natural Convection
- •8.1. Introduction
- •8.2. Prerequisites
- •8.3. Problem Description
- •8.4. Setup and Solution
- •8.4.1. Preparation
- •8.4.2. Reading and Checking the Mesh
- •8.4.3. Solver and Analysis Type
- •8.4.4. Models
- •8.4.5. Defining the Materials
- •8.4.6. Operating Conditions
- •8.4.7. Boundary Conditions
- •8.4.8. Obtaining the Solution
- •8.4.9. Postprocessing
- •8.4.10. Comparing the Contour Plots after Varying Radiating Surfaces
- •8.4.11. S2S Definition, Solution, and Postprocessing with Partial Enclosure
- •8.5. Summary
- •8.6. Further Improvements
- •Chapter 9: Using a Single Rotating Reference Frame
- •9.1. Introduction
- •9.2. Prerequisites
- •9.3. Problem Description
- •9.4. Setup and Solution
- •9.4.1. Preparation
- •9.4.2. Mesh
- •9.4.3. General Settings
- •9.4.4. Models
- •9.4.5. Materials
- •9.4.6. Cell Zone Conditions
- •9.4.7. Boundary Conditions
- •9.4.8. Solution Using the Standard k- ε Model
- •9.4.9. Postprocessing for the Standard k- ε Solution
- •9.4.10. Solution Using the RNG k- ε Model
- •9.4.11. Postprocessing for the RNG k- ε Solution
- •9.5. Summary
- •9.6. Further Improvements
- •9.7. References
- •Chapter 10: Using Multiple Reference Frames
- •10.1. Introduction
- •10.2. Prerequisites
- •10.3. Problem Description
- •10.4. Setup and Solution
- •10.4.1. Preparation
- •10.4.2. Mesh
- •10.4.3. Models
- •10.4.4. Materials
- •10.4.5. Cell Zone Conditions
- •10.4.6. Boundary Conditions
- •10.4.7. Solution
- •10.4.8. Postprocessing
- •10.5. Summary
- •10.6. Further Improvements
- •Chapter 11: Using Sliding Meshes
- •11.1. Introduction
- •11.2. Prerequisites
- •11.3. Problem Description
- •11.4. Setup and Solution
- •11.4.1. Preparation
- •11.4.2. Mesh
- •11.4.3. General Settings
- •11.4.4. Models
- •11.4.5. Materials
- •11.4.6. Cell Zone Conditions
- •11.4.7. Boundary Conditions
- •11.4.8. Operating Conditions
- •11.4.9. Mesh Interfaces
- •11.4.10. Solution
- •11.4.11. Postprocessing
- •11.5. Summary
- •11.6. Further Improvements
- •Chapter 12: Using Overset and Dynamic Meshes
- •12.1. Prerequisites
- •12.2. Problem Description
- •12.3. Preparation
- •12.4. Mesh
- •12.5. Overset Interface Creation
- •12.6. Steady-State Case Setup
- •12.6.1. General Settings
- •12.6.2. Models
- •12.6.3. Materials
- •12.6.4. Operating Conditions
- •12.6.5. Boundary Conditions
- •12.6.6. Reference Values
- •12.6.7. Solution
- •12.7. Unsteady Setup
- •12.7.1. General Settings
- •12.7.2. Compile the UDF
- •12.7.3. Dynamic Mesh Settings
- •12.7.4. Report Generation for Unsteady Case
- •12.7.5. Run Calculations for Unsteady Case
- •12.7.6. Overset Solution Checking
- •12.7.7. Postprocessing
- •12.7.8. Diagnosing an Overset Case
- •12.8. Summary
- •Chapter 13: Modeling Species Transport and Gaseous Combustion
- •13.1. Introduction
- •13.2. Prerequisites
- •13.3. Problem Description
- •13.4. Background
- •13.5. Setup and Solution
- •13.5.1. Preparation
- •13.5.2. Mesh
- •13.5.3. General Settings
- •13.5.4. Models
- •13.5.5. Materials
- •13.5.6. Boundary Conditions
- •13.5.7. Initial Reaction Solution
- •13.5.8. Postprocessing
- •13.5.9. NOx Prediction
- •13.6. Summary
- •13.7. Further Improvements
- •Chapter 14: Using the Eddy Dissipation and Steady Diffusion Flamelet Combustion Models
- •14.1. Introduction
- •14.2. Prerequisites
- •14.3. Problem Description
- •14.4. Setup and Solution
- •14.4.1. Preparation
- •14.4.2. Mesh
- •14.4.3. Solver Settings
- •14.4.4. Models
- •14.4.5. Boundary Conditions
- •14.4.6. Solution
- •14.4.7. Postprocessing for the Eddy-Dissipation Solution
- •14.5. Steady Diffusion Flamelet Model Setup and Solution
- •14.5.1. Models
- •14.5.2. Boundary Conditions
- •14.5.3. Solution
- •14.5.4. Postprocessing for the Steady Diffusion Flamelet Solution
- •14.6. Summary
- •Chapter 15: Modeling Surface Chemistry
- •15.1. Introduction
- •15.2. Prerequisites
- •15.3. Problem Description
- •15.4. Setup and Solution
- •15.4.1. Preparation
- •15.4.2. Reading and Checking the Mesh
- •15.4.3. Solver and Analysis Type
- •15.4.4. Specifying the Models
- •15.4.5. Defining Materials and Properties
- •15.4.6. Specifying Boundary Conditions
- •15.4.7. Setting the Operating Conditions
- •15.4.8. Simulating Non-Reacting Flow
- •15.4.9. Simulating Reacting Flow
- •15.4.10. Postprocessing the Solution Results
- •15.5. Summary
- •15.6. Further Improvements
- •Chapter 16: Modeling Evaporating Liquid Spray
- •16.1. Introduction
- •16.2. Prerequisites
- •16.3. Problem Description
- •16.4. Setup and Solution
- •16.4.1. Preparation
- •16.4.2. Mesh
- •16.4.3. Solver
- •16.4.4. Models
- •16.4.5. Materials
- •16.4.6. Boundary Conditions
- •16.4.7. Initial Solution Without Droplets
- •16.4.8. Creating a Spray Injection
- •16.4.9. Solution
- •16.4.10. Postprocessing
- •16.5. Summary
- •16.6. Further Improvements
- •Chapter 17: Using the VOF Model
- •17.1. Introduction
- •17.2. Prerequisites
- •17.3. Problem Description
- •17.4. Setup and Solution
- •17.4.1. Preparation
- •17.4.2. Reading and Manipulating the Mesh
- •17.4.3. General Settings
- •17.4.4. Models
- •17.4.5. Materials
- •17.4.6. Phases
- •17.4.7. Operating Conditions
- •17.4.8. User-Defined Function (UDF)
- •17.4.9. Boundary Conditions
- •17.4.10. Solution
- •17.4.11. Postprocessing
- •17.5. Summary
- •17.6. Further Improvements
- •Chapter 18: Modeling Cavitation
- •18.1. Introduction
- •18.2. Prerequisites
- •18.3. Problem Description
- •18.4. Setup and Solution
- •18.4.1. Preparation
- •18.4.2. Reading and Checking the Mesh
- •18.4.3. Solver Settings
- •18.4.4. Models
- •18.4.5. Materials
- •18.4.6. Phases
- •18.4.7. Boundary Conditions
- •18.4.8. Operating Conditions
- •18.4.9. Solution
- •18.4.10. Postprocessing
- •18.5. Summary
- •18.6. Further Improvements
- •Chapter 19: Using the Multiphase Models
- •19.1. Introduction
- •19.2. Prerequisites
- •19.3. Problem Description
- •19.4. Setup and Solution
- •19.4.1. Preparation
- •19.4.2. Mesh
- •19.4.3. Solver Settings
- •19.4.4. Models
- •19.4.5. Materials
- •19.4.6. Phases
- •19.4.7. Cell Zone Conditions
- •19.4.8. Boundary Conditions
- •19.4.9. Solution
- •19.4.10. Postprocessing
- •19.5. Summary
- •Chapter 20: Modeling Solidification
- •20.1. Introduction
- •20.2. Prerequisites
- •20.3. Problem Description
- •20.4. Setup and Solution
- •20.4.1. Preparation
- •20.4.2. Reading and Checking the Mesh
- •20.4.3. Specifying Solver and Analysis Type
- •20.4.4. Specifying the Models
- •20.4.5. Defining Materials
- •20.4.6. Setting the Cell Zone Conditions
- •20.4.7. Setting the Boundary Conditions
- •20.4.8. Solution: Steady Conduction
- •20.5. Summary
- •20.6. Further Improvements
- •Chapter 21: Using the Eulerian Granular Multiphase Model with Heat Transfer
- •21.1. Introduction
- •21.2. Prerequisites
- •21.3. Problem Description
- •21.4. Setup and Solution
- •21.4.1. Preparation
- •21.4.2. Mesh
- •21.4.3. Solver Settings
- •21.4.4. Models
- •21.4.6. Materials
- •21.4.7. Phases
- •21.4.8. Boundary Conditions
- •21.4.9. Solution
- •21.4.10. Postprocessing
- •21.5. Summary
- •21.6. Further Improvements
- •21.7. References
- •22.1. Introduction
- •22.2. Prerequisites
- •22.3. Problem Description
- •22.4. Setup and Solution
- •22.4.1. Preparation
- •22.4.2. Structural Model
- •22.4.3. Materials
- •22.4.4. Cell Zone Conditions
- •22.4.5. Boundary Conditions
- •22.4.6. Solution
- •22.4.7. Postprocessing
- •22.5. Summary
- •23.1. Introduction
- •23.2. Prerequisites
- •23.3. Problem Description
- •23.4. Setup and Solution
- •23.4.1. Preparation
- •23.4.2. Solver and Analysis Type
- •23.4.3. Structural Model
- •23.4.4. Materials
- •23.4.5. Cell Zone Conditions
- •23.4.6. Boundary Conditions
- •23.4.7. Dynamic Mesh Zones
- •23.4.8. Solution Animations
- •23.4.9. Solution
- •23.4.10. Postprocessing
- •23.5. Summary
- •Chapter 24: Using the Adjoint Solver – 2D Laminar Flow Past a Cylinder
- •24.1. Introduction
- •24.2. Prerequisites
- •24.3. Problem Description
- •24.4. Setup and Solution
- •24.4.1. Step 1: Preparation
- •24.4.2. Step 2: Define Observables
- •24.4.3. Step 3: Compute the Drag Sensitivity
- •24.4.4. Step 4: Postprocess and Export Drag Sensitivity
- •24.4.4.1. Boundary Condition Sensitivity
- •24.4.4.2. Momentum Source Sensitivity
- •24.4.4.3. Shape Sensitivity
- •24.4.4.4. Exporting Drag Sensitivity Data
- •24.4.5. Step 5: Compute Lift Sensitivity
- •24.4.6. Step 6: Modify the Shape
- •24.5. Summary
- •25.1. Introduction
- •25.2. Prerequisites
- •25.3. Problem Description
- •25.4. Setup and Solution
- •25.4.1. Preparation
- •25.4.2. Reading and Scaling the Mesh
- •25.4.3. Loading the MSMD battery Add-on
- •25.4.4. NTGK Battery Model Setup
- •25.4.4.1. Specifying Solver and Models
- •25.4.4.2. Defining New Materials for Cell and Tabs
- •25.4.4.3. Defining Cell Zone Conditions
- •25.4.4.4. Defining Boundary Conditions
- •25.4.4.5. Specifying Solution Settings
- •25.4.4.6. Obtaining Solution
- •25.4.5. Postprocessing
- •25.4.6. Simulating the Battery Pulse Discharge Using the ECM Model
- •25.4.7. Using the Reduced Order Method (ROM)
- •25.4.8. External and Internal Short-Circuit Treatment
- •25.4.8.1. Setting up and Solving a Short-Circuit Problem
- •25.4.8.2. Postprocessing
- •25.5. Summary
- •25.6. Appendix
- •25.7. References
- •26.1. Introduction
- •26.2. Prerequisites
- •26.3. Problem Description
- •26.4. Setup and Solution
- •26.4.1. Preparation
- •26.4.2. Reading and Scaling the Mesh
- •26.4.3. Loading the MSMD battery Add-on
- •26.4.4. Battery Model Setup
- •26.4.4.1. Specifying Solver and Models
- •26.4.4.2. Defining New Materials
- •26.4.4.3. Defining Cell Zone Conditions
- •26.4.4.4. Defining Boundary Conditions
- •26.4.4.5. Specifying Solution Settings
- •26.4.4.6. Obtaining Solution
- •26.4.5. Postprocessing
- •26.5. Summary
- •Chapter 27: In-Flight Icing Tutorial Using Fluent Icing
- •27.1. Fluent Airflow on the NACA0012 Airfoil
- •27.2. Flow Solution on the Rough NACA0012 Airfoil
- •27.3. Droplet Impingement on the NACA0012
- •27.3.1. Monodispersed Calculation
- •27.3.2. Langmuir-D Distribution
- •27.3.3. Post-Processing Using Quick-View
- •27.4. Fluent Icing Ice Accretion on the NACA0012
- •27.5. Postprocessing an Ice Accretion Solution Using CFD-Post Macros
- •27.6. Multi-Shot Ice Accretion with Automatic Mesh Displacement
- •27.7. Multi-Shot Ice Accretion with Automatic Mesh Displacement – Postprocessing Using CFD-Post
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Chapter 26:Simulating a 1P3S Battery Pack Using the MSMD Battery
Model
This tutorial is divided into the following sections:
26.1.Introduction
26.2.Prerequisites
26.3.Problem Description
26.4.Setup and Solution
26.5.Summary
26.1. Introduction
This tutorial is used to show how to set up a battery pack (battery system connected in parallel/series pattern) simulation in ANSYS Fluent. All the three submodels are available for a pack simulation.
This tutorial illustrates how to do the following:
•Load the Battery module add-on
•Set up a battery pack simulation using the NTGK battery submodel in ANSYS Fluent
•Define active, tab, and busbar conductive zones
•Define electric contacts for the contact surface and external connectors
•Define electric conductivity for the active material using the user-defined scalars
•Define electric conductivity for the passive material using the user-defined function
•Obtain the battery pack simulation results and perform postprocessing activities
Most problem setup procedures are similar to the single cell simulation. The differences in the problem setup will be emphasized in this tutorial.
26.2. Prerequisites
This tutorial is written with the assumption that you have completed one or more of the introductory tutorial Fluid Flow and Heat Transfer in a Mixing Elbow (p. 35) found in this manual and that you are familiar with the ANSYS Fluent tree and ribbon structure. Some steps in the setup and solution procedure will not be shown explicitly.
26.3. Problem Description
This problem considers a small 1P3S battery pack, that is, the three battery cells connected in series. A schematic of the problem is shown in Figure 26.1: Schematic of the Battery Pack Problem (p. 864).
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