# ANSYS_Fluent_Workbench_Tutorial_Guide_r190.pdf

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Table of contents Using this manual..…. .............9.449......9..........4......4.....9........................4......4.......... IX 1. What's in this manual IX 2. Typographical Conventions Used In This Manual………,…… 1 Introduction to Using ANSYS Fluent in ANSYS Workbench: Fluid Flow and heat Transfer in a Mixing Elbow ···:···············:·····::····:·.·:·:···:··;···········:·:··:·:···:·······:···:·:·:··············4·:···· 1.1. Introduction 1.2. Prerequisites∴………… 1.3. Problem Description ·*···*·· 2 14.5 etup and Solution............,…,…, 4.1. Preparation 中····· 4 1.4.2. Creating a Fluent Fluid Flow Analysis System in ANSYS Workbench.. 4 1.4. Meshing the Geometry in the aNsyS Meshing application…灬.……………8 1.4.3. Creating the Geometry in ANSYS Design Modeler∴…………… 4.5. Setting Up the CFD Simulation in ANSYS Fluent…….………………………………25 1.4.5.1. Starting ANSYS Fluent 25 1.4.5.2. Setting Up Domain…………,….…,……,……,…,….,…,….,………………,27 1. 4.5.3. Setting Up Physics 30 .4.6. Solving……………… 鲁音。音音。音· 40 4.7. Displaying Results in ANSYS Fluent and CFD-Post 49 1.4.8. Duplicating the fluent-Based fluid flow analysis System....................58 4.9. Changing the geometry in ansys design Modeler 59 4.10. Updating the Mesh in the ANSYS Meshing Application…………………….6 1.4.11. Calculating a New solution in aNSyS Fluent 63 1.4.12. Comparing the results of Both Systems in CFD-Post .65 1.5. Summary……… ············*··································· ···· 70 2 Parametric Analysis in ANSYS Workbench Using ANSYS Fluent…........,…,,…,…,…,71 2. 1. Introduction ····..·;·.··.···.:·.·.··.·· 71 2. 2. Prerequisites....................,........ 72 2.3. Problem Description………… 72 2.4. Setup and solution..................,…, 75 2.4.1. Preparation……,……,… .···;···;.··· 76 2.4.2. Adding Constraints to ANSYS Design Modeler Parameters in ANSYS Workbench 76 2.4.3. Setting Up the CFD Simulation in ANSYS Fluent 82 2.4.3.1. Starting ansys fluent 82 24.3.2. Setting Up Physics….,… ·非·非非非非非非非非 83 244. Defining Input Parameters in ANSYS Fluent..............….….……87 2.4.5. Solving.....…..,.,,.,…….,……,……………92 2.4.6. Postprocessing and setting the output parameters in ansyS CfD-Post 95 2.4.7. Creating Additional Design Points in ANSYS Workbench 104 2.4.8. Postprocessing the New Design Points in CFD-Post ..............107 2.4.9. Summary………,…,…,…,…,…, ,自.音,非自音音非非非音自非音·自··自非音音 111 3. Solving a Cold Flow Simulation….…,…,…,…,…,…,…,…,…,………,………………,13 3.1. Preparation… 非非自非着非 ·······:.::··:··· ∴114 3.2. Step 1: Setting the Properties……,,,,…,,…,…,,… 14 3.3.5tep2 Performing the decomposition…..,,,,…,,………,……,……,116 34.Step3: Meshing………,…,…,…,…,…,…,…,… 124 3.5. Step 4: Setting up the Simulation 127 3.6. Step 5: Running the Solution ·········:····:········:·····:············· ·.····.······:············· 141 3.7. Step 6: Obtaining the results 44 3.8. Step 7: Postprocessing 168 Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates Workbench tutorial guide 39.5 ummary………… 73 3.10. Further Improvements …173 4. Solving a Port Flow Simulation.................…..….….,175 4.1. Preparation……,…,…,…………………,,176 4. 2. Step 1: Setting the Properties......................... 76 4.3. Step 2; Performing the Decomposition…….….….….………,…,…,…,…,…,…,…,…,…,……,177 44.Step3: Meshing…..............,.,…, 188 4.5.step4: Setting up the Simulation………….……………,…,…,……,…….……………………,19 4.6. Step 5: Running the Solution 197 4.7. Step 6: Obtaining the results................... 206 4.8. Summary…...…… 21 49. Further Improvements...,...,..,.,....,.,,,…,…,…,…,…,…,……,…,221 5. Solving a Combustion Simulation for a Sector..... 223 5.1. Preparation…,…,…,…,…,…,…,…,…,…,…,,…,……,24 5. 2. Step 1: Setting the Properties 224 5.3.5tep2 Performing the Decomposition.….…….…26 5.4. Step 3: Meshing 232 5.5. Step 4: Setting up the Simulation 234 56.Step5: Running the Solution…………,…,…,………,…,…,…,…,…,…,…,………,…,…,248 5.7. Step 6: Obtaining the results 252 58. Summary… 285 5.9. Further Im provements 6. Solving a Gasoline Direct Injection Engine Simulation…………,…,…,…,…,…………………287 6.1. Preparation 288 6.2. Step 1: Setting the Properties......... 非非··非非·非非非鲁·非非非非非着章,··非·非非章 288 6.3. Step 2: Performing the decomposition ............ 289 64.step3: Meshing.......,.....,.,,,, ·· 302 65step4: Setting up the simulation…… 303 66.step5: Running the solution.......,………321 6.7.Step6: Obtaining the results…….,, 是看看,着· 325 68. Summary………………,…,…,…,…,…,…,…,…,…,…,…,……,…,………,…,369 69. Further Improvements…… 369 Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates List of Figures 1.1. Problem Specification…,…….,.,…..,.,….,.,,.,.…..,……,3 1. 2. Selecting the Fluid Flow(Fluent) Analysis System in ANSYS Workbench 13. ANSYS Workbench with a New fluent-Based fluid flow analysis system…………….5 1.4. ANSYS Workbench Files View for the Project After Adding a Fluent-Based Fluid Flow Analysis System ......7 1.5. Elbow Main Pipe Geometry………,……,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,……,………,…,14 1.6. ANSYS Workbench Files View for the Project After Creating the Geometry 17 1.7. The ANSYS Meshing Application with the Elbow Geometry Loaded 19 1.8. Selecting a face to name ··························· 20 1.9. Applying a Name to a Selected Face............. ···非自非 非着 21 1.10. The Computational Mesh for the Elbow Geometry in the ANSYS Meshing Application ............24 1.11. ANSYS Workbench Files View for the project After Mesh Creation .·:·······.·:······:·:···:··········:····:······: 25 1.12. Fluent Launcher 26 1.13. The aNSYS Fluent Application..... 27 1.14. The create/ Edit Materials Dialog Box…… ················::·::·:··:·············· 34 15. Convergence History of the maximum Temperature at Pressure outlet.. 47 1.16. Residuals for the Converged Solution 48 1.17. Velocity Distribution Along Symmetry Plane 51 1.18 Temperature Distribution Along Symmetry Plane……….….….…….……..52 19. The Elbow Geometry Loaded into CFD-Post 54 1.20. Velocity distribution Along symmetry plane..................,..........................56 1.21. Temperature Distribution Along Symmetry Plane..... 57 122 Duplicating the fluid Flow System…,.,,,,,,,…,…………58 1. 23. The Original Fluid Flow System and Its Duplicate 59 1.24. Changing the diameter of the small Inlet in aNsyS design Modeler 25. Updating the Mesh for the Changed Geometry 62 1. 26. The Updated Geometry and mesh in the ansys meshing application 63 1.27. The New Results System in the Project Schematic∴…………,…,…,……,……………65 1. 28. Connecting the first fluid flow System to the new results system.........................65 1.29. Connecting the Second Fluid Flow System to the New Results System……………….66 .30. CFD-Post with Both Fluid Flow Systems Displayed........... 66 1.31. CFD-Post Displaying Velocity Contours for Both Geometries……,… 68 1.32. CFD-Post Displaying Temperature Contours for Both Geometries 69 21. Automotive HVAC System…… ,。垂自鲁 73 2.2. HVAC System Valve Location details 74 2.3. Flow Pattern for the Cooling cycle…………,…,…,…,…,…,,,…,…,,…,…,…,……75 2.4. The Project Loaded into ANSYS Workbench ……7 2.5. Parameters Defined in ANSYS Design Modeler……,…,…,…,…,,…,…,…,…,,,……,…,,78 2.6. New Parameters Defined in aNsys Workbench ···· 78 2.7. Constrained Parameter …79 2. 8. Constrained Parameter 80 29. Constrained parameter 81 2.10. ANSYS Fluent Launcher 82 2. 11. The ANSYS Fluent Application............. 非·非着非非自。。自。·非非非。·。非D。。自自非 83 2.12. The Input Parameters Sub-Branch in ANSYS Fluent 90 2.13.thEparametersviewinansyswoRkbench.wwwwwwww.www..90 2.14. The automotive HVAC Geometry Loaded into CFD-Post,……,…,…,…,…,…,…,…,……,…….,95 2. 15. Vectors Colored by pressure.......... 98 2.16. Vectors Colored by velocity 99 2. 17. Vectors Colored by temperature 100 2.18. The Updated Project Loaded into ANsYS Workbench displaying the files view 04 Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliate Workbench tutorial guide 2.19. Table of Design Points( with Dp0)-…...,.,,,,,,…,…,…,…,…,…,………105 2.20. Table of Design Points(with DPO, DP1, and DP2 Defined) 106 2.21. Table of design Points(Showing Output Parameters for DPo, DPl, and DP2).................107 222. Vectors Colored by Temperature(DP1)……… 108 223. Vectors Colored by Pressure(DP1)…,,,…,…,…,…,…,……………………108 2. 24. Vectors Colored by velocity(DP1) 非来·非·非·非。非·非。·着非 109 225. Vectors Colored by Temperature(DP2)..………………10 226. Vectors Colored by Pressure(DP2)………,………10 2. 27. Vectors Colored by velocity(DP2)............ 3.1. Problem schematic 113 32. Cylinder Faces… ·. + 19 3.3.5 ymmetry Faces….,.,,…,…,….,,…,,…,119 34 Intake valve 20 ···········,····,······ 3.5. Intake valve seat ,121 3.6. Exhaust Valve Seat 着看垂看, .·.·.············· 122 37. Decomposed geometry………,…,…,…,,,…,…,……,…,,…,…,…,…,……,……,…,…………………,124 38. Meshed Geometry……………,…,…,……,…,… 127 4.1. Problem schematic∴…… 175 4.2. Cylinder Faces…………,….….….….…,….,….,.,.,….….,….….….…….,…….…….….….179 4.3.5 ymmetry Faces……,,…,…,…,…,,,…,…,,…,…,180 4.4. Postprocessing Planes………,…,…,…,, 81 4.5.| take∨alVe 鲁。·非自非 非着曲鲁自自鲁。。自非音自鲁。·自。自。自自非鲁自非自音 82 4.6. Intake valve Seat.…………………………………………………………183 4.7. Exhaust Valve Seat 184 4.8. Inlet Face 4185 4.9. Decomposed geometry ···+·+····4··········+·*·····=·· 187 4.10. Meshed Geometry….......,,.,,…, 190 5.1. Problem schematic 223 5.2. Cylinder face 1·非···非·非非非非非·非··非鲁非着自D·非非着非非非。。自非非自非非非非非非非非·非 228 5, 3 Valves ∴229 5. 4. Valve Seats ······:··::···::··::············:··· 230 5.5. Decomposed Geometry 232 · 56. Meshed Geometry…… 233 6.1. Problem schematic ·············:·········:·.····.·:··············4·····4··········· 287 6. 2. Direction for Normal Defined by ..........................................................................................292 6.3. Spark, Beam and Footprint Points…… 293 6.4. Cylinder Face... .296 65. Symmetry faces.… 297 6.6. Intake valve. 67 Intake valve Seat 298 6. 8. Exhaust valve Seat 299 69. Decomposed Geometry...,.,,.,,….,…,,,……………,301 6.10.Meshed Geometry ..302 Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates List of tables 1. Mini flow chart Symbol Descriptions……….,…...,……..,,…… 1.1. Design Modeler view manipulation Instructions........................ 5.1. Species Composition………,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,……,…,,238 6.1. Injection Properties.............. 309 6.2. Boundary Conditions.........,..……311 63. Patching……..….….….….….….…..… 316 Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates Using This Manual This preface is divided into the following sections: 1. What's In this manual 2. Typographical Conventions Used In This Manual 1. What's In This manual The aNsys Fluent Workbench Tutorial Guide contains a number of tutorials that teach you how to use ANSYS Fluent to solve different types of problems 2. Typographical Conventions Used In This Manual Several typographical conventions are used in this manuals text to help you find commands in the user interface Different type styles are used to indicate graphical user interface items and text interface items. For example Iso-Surface dialog box text command The text interface type style is also used when illustrating exactly what appears on the screen to distinguish it from the narrative text. In this context user inputs are typically shown in boldface. For example, Mini flow charts are used to guide you through the ribbon or the tree, leading you to a specific option, dialog box, or task page. The following tables list the meaning of each symbol in the mini flow charts Table 1: Mini Flow Chart Symbol Descriptions Symbol Indicated action Look at the ribbon k ook a t the tree Double-click to open task page Select from task page 可 Right-click the preceding iter For example Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates Using This Manual EE Setting Up Domain Mesh Transform Translate indicates selecting the Setting Up Domain ribbon tab, clicking Transform(in the Mesh group box and selecting Translate. as indicated in the figure below File a Setting Up Domain a Setting Up Physics Mesh A Display 曰 Scale Check Quality Transform Units Repair Impl Translate R State A Setup Models viscous Model Realizable k-epsilon indicates expanding the Setup and Models branches, right-clicking Viscous, and selecting Realizable k-epsilon from the Model sub-menu, as shown in the following figure Filter Text General L Setup Mesh 目 Genera 田 Models scale Check Report quality 密 Multiphase(ofn Display. ai Energy(Off) an viscous (Standard k-e Star Edit, ovei a Radiation (off) n iNcity Formulation 田 Heat Exchanger(of Model bsolute (off) Laminar elative 田 Discrete phase(Off Standard k epsilon ai Solidification Melting (Off) 出 Acoustics(of Realizable k-epsilon 田 Eulerian Wall Filn(of Standard k-omega a Electric Potential (off SST Komega 葛 Materials Other And 已 Setup‘ Boundary Conditions velocity-inlet5 indicates opening the task page as shown below: Release 19.@ ANSYS, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates

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