ANSYS Fluent Users Guide.pdfANSYS Fluent User's Gu

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详细说明：ANSYS Fluent User's Guide用于详细了解fluent中的各功能模块，英文原版Table of contents Using This Manual……….….…,…,…,…,…,…,…,…,…,…,…,…,…,………,… The contents of this manual 。非 2. The Contents of the fluent manuals . 3. Typographical Conventions….… 4.Mathematical Conventions 5. Technical Support. ·············* 1 Graphical User Interface(GU|).............,.,…,…………,……1 1. 1. GUI Components........... ·········:····:·············· 1.1.1. The menu bar 1.1.2.1. The Mode toolbar………………………….3 1.1.2. Toolbars 中·*·· 中······+ 1.1,2.2. The standard toolbar 4 1.123. The graphics Toolbar…............…...…4 1.1.2.4. The objects Toolbar.…………,… 1.1.3. The navigation Pane 1.1.4. Task Pages………………………………………………………………8 1.1.5. The console 1.15. Dialog Boxes…………,…,,,…,…,,…,…,…,…,…,…,…,,…,……,…9 1.1.6.1. Input Controls 10 1.1.6.1.1.Tabs………,……10 1.1.6.1.2. Button 11 1.1.6.1.3. Check boy 1.1.6.1.4. Radio buttons 11 1.1.6.1.5. Text Entry Boxes……,,…,…,…,,…,,…,1 1.1.6.1.6. Integer Number Entry Boxes... 1.1.6.1.7. Real Number Entry Boxes 12 1.1.5.1.8. Single- Selection lists∴……,…,…,…,,…,…,…,…,…,…,…,…,…,……,…,…,12 1.1.6.1.9. Multiple-Selection Lists,...,..,..,........,12 1.1.6.1.10.Drop- Down lists…………….….………,……………………13 1.1.6.1.11.Sca|es 13 1.1.62. Types of Dialog Boxes…………… 14 1.1.6.2.1. Information Dialog boxes 14 1.1.5.22. Warning Dialog Boxes…….…….….,…,…,,….,…,….,….,…,….,…,,…,….,14 1.1.6.2.3. Error Dialog Boxes 14 1.1.6.2.4. The Working dialog Box 非非看·D。非 ·非非·非非 14 1.1.6.2.5. Question Dialog box 15 1.1526. The Select File Dialog Box…….…,……,…,…,…,…,…,…,…,…………,………,15 1.1.6.2.6.1. The Select File Dialog Box( Windows)..….…..….…….…….215 1.1.6262. The select File dialog Box( Linux)………………………16 1.1.7. Graphics Windows……......….….….….….….…..….….…,19 1.1.7.1. Printing the Contents of the graphics Window(windows Systems Only).........., 21 1.1.7.2. Using the Page Setup Dialog Box( Windows Systems Only)………………,21 12. Customizing the graphical User Interface( (Linux Systems Only)…………………………23 3. Using the GUI Help Systen…………………………………,24 1.3.1. Task Page and dialog box help 1.3.2. Context-Sensitive Help( Linux Only 25 1.3.3. Opening the User's Guide table of Contents 25 1.3.4. Opening the Reference Guide 26 1.3.5. Help on help…… 音d鲁看鲁鲁 27 1.36. Accessing Printable(PDF) Manuals…… 27 Release 15.0- SAS /P Inc. All rights reserved -Contains proprietary and con/idential in/ormation of ansys inc and its subsidie User's guide 137. Help for Text Interface Commands…………………………………… 27 1.3.8. Accessing the customer portal Web site ,27 1.3.9. Obtaining License Use Information 27 1.3.10. Version and release Information ··:·:···:·:·:······:······· 28 2. Text User Interface(TU)……29 2.1.Text Menu syster 鲁着 29 2.1.1. Command abbreviation 非非B非。自。自省音。自。音。自看音普。自自。自自。。自自非音自自自自非自。着非自4。自自自D自自非音 30 2.1,2. Command Line History……………,…,…,…,…,…,…,,…,…,…,…,…,…,…,,……………31 13. Scheme evaluation 31 2.1. 4 Aliases 2.2. Text Prompt system 32 2.2.1. Numbers… ·····················:·::·:·:····:····:························ 32 2.2.2. Booleans .33 2.,2.3. Strings….….......,....3 2.24. Symbol!,,, 33 2.2.5. Filenames ····:.·:··:·:····.······· 33 26. Lists 33 2.2.7. Evaluation∴………….35 2.2.8. Default Value Binding……………………………………………………36 2.3. Interrupts ·········:··········:····················:···4·:····:···:······················· 36 24. System Commands…… 36 24.1. System Commands for Linux- based Operating System5.……………………36 24.2. System Commands for Windows Operating Systems…………………………37 2.5. Text Menu Input from Character Strings . 2.6. Using the Text Interface Help System……… 38 3. Reading and Writing Files ·+:+··++·+:.··· ······*····:··············*··· 41 3.1. Shortcuts for Reading and Writing files 3.1.1. Default file Suffixes 42 3.1,2. Binary files...,.,,,,… ······:·······.·:········.中· ········:·.·:··:··:·:···:·····;· 43 3.1.3. Detecting file format ∴43 .1.4. Recent file list∴……,…………………………43 3.1.5. Reading and Writing Compressed Files…… 43 3.1.5.1. Reading Compressed Files.. 。·省非非非·看音l。。。D音。非非·非非音非·。。。非。非音。,D音· 43 3.1.5.2. Writing Compressed Files……… 44 316. Tilde Expansion(Linux Systems Only).......…..……..….45 3.1.7. Automatic Numbering of Files.. ····:::··:·· 45 3.1.8. Disabling the overwrite Confirmation Prompt..... 46 3.1.9, Toolbar buttons……46 32 Reading mesh Files… 46 3.3. Reading and Writing Case and Data Files……,,,…,…,…,…,,……,………………47 3.3.1. Reading and Writing Case Files 148 33.2. Reading and Writing data Files…...,.,,.,,.,…,,…,…,……,48 3.3.3. Reading and Writing Case and Data Files Together 49 3. 3.4. Automatic Saving of Case and Data Files...................................49 3. 4. Reading and writing parallel data files ,音 52 3.4.1. Writing Parallel Data Files 52 34.2. Reading Parallel Data Files……,,, 53 343 Availability and Limitations…...,.,,.,.,.,,….,,,…,………,……53 35. Reading Fluent/ UNS and RAMPant Case and data files…,…,…,…,…,……54 3.6. Reading and Writing Profile files................ 54 3.6.1. Reading Profile Files………,….,…,,…,,…,,…,,…,…,…,,……….54 3.6. 2 Writing Profile files 55 Release 15.0- SAS /P, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates User's guide 3.7. Reading and Writing Boundary Conditions....... 3.8. Writing a Boundary Mesh 57 39. Reading Scheme Source Files...,..,.,,.,.,.,,……,…,…,,57 3.10. Creating and Reading Journal Files∴…………,…,…,…………,……………57 3.10.1. Procedure…………….59 3.11. Creating Transcript Files………,…,…,…,…,…,…,…,…,…,…,…,…,…………,59 3. 12. Importing Files................. 非自自自非着自非自t非自自非自非自自音d自非自D自,自自D 3.12.1. ABAQUS Files… 62 3.122 CFX Files 62 3.123, Meshes and data in cgNs format 63 3.12.4. En Sight Files .64 3.125. ANSYS FIDAP Neutral files . 3. 12.6. GAMBIT and geomesh mesh files 64 3.12.7.HypermeShAscilFilesw.wwwwwwoowww.w....64 3.12.8.l- deas uniⅳ versal files∴ 垂,·垂看 3.129.LstcFilesw.wwwwwwwwwwwwowwwwwwwwwwwwwwwwww.65 3. 12.10. Marc POST Files ··· 65 3.12.11. Mechanical APDL Files , ......................................................................................................6 3. 12.12 NASTRAN Files 666 3.12.13. PATRAN Neutral files……66 3. 12.14. PloT3D Files 66 3.12.15. PTC Mechanica Design files. ...............................................................................................67 3.12.16. Tecplot Files………,,,,,…,,,,…,…,……,67 3.12.17 Fluent 4 Case files ..67 3. 12.18. PreBFC Files 68 3.12.19. Partition Files 3. 12.20 CHEMKIN Mechanism .···:·;····;·:····.····· 68 3.13. Exporting Solution Data….… 68 3.13.1. Exporting limitations……….....…..,..….,.,.…...,.………69 3.14. Exporting Solution Data after a Calculation……….…..…. 70 3.14.1. ABAQUS Files……,171 3. 142. Mechanical APDl files 3.14.3. Mechanical APDL Input Files..............................73 3.14.4.ASC‖ Files73 3.14.5. AVS Files.…,,,,.,.,..174 3.14.6. ANSYS CFD-Post-Compatible files ………74 3. 147. CGNS Files 非。自非。音非自垂 75 3.14.8. Data Explorer Files……,…,,,.,,,,,,….,…,,…,.,…,….….,….…,175 3.14.9. EnSight Case Gold Files..... ·····“··4· 76 3.14.10.FastFiles.wwwwwwwwwwww..78 3. 14.11. FAST Solution files 79 3. 14.12 Fieldview Unstructured files 79 3. 14.13.I-deas Universal files ··..··················· 3.14.14 NASTRAN Files ………………80 3.14.15 PATRAN Files 81 3. 14.16. Rad Therm files 81 3.14.17 Tecplot Files 82 3.15. Exporting Steady- State Particle History Data…..,.,.,….,,,,,….,,,…82 3.16. Exporting Data During a Transient Calculation…………,…,…,…,…,,…,,………,……84 3.16.1. Creating Automatic Export Definitions for Solution Data.......................85 3.16.2. Creating Automatic Export Definitions for Transient Particle History Data 88 3.17. Exporting to ANSYS CFD-Post Release 15.0- SAS /P Inc. All rights reserved -Contains proprietary and con/idential in/ormation of ansys inc and its subsidie User's guide 318 Managing Solution Files...........….….….….….92 3. 19. Mesh-to-Mesh Solution Interpolation 93 3191 Performing Mesh-to-Mesh Solution Interpolation.....….….….……93 192 Format of the Interpolation File………….…………………….95 320. Mapping data for Fluid-Structure Interaction(FS) Applications.….....…………,96 3.20.1. FEA File formats ………,97 320.2. Using the FSI Mapping dialog Boxe.......……,………………………97 321. Saving Picture Files…,…,…,…,…,…,,… 102 3.21.1. Using the Save Picture Dialog Box 102 321.1.1. Choosing the Picture File Format…………,…,…,…,…,…,…,…,…,,…,…,………,103 3.21.1.2. Specifying the Color Mode + 104 3.21.1.3. Choosing the file type…… 104 3. 21.1.4. Defining the Resolution 104 3.21.1.5. Picture options..…....,.….,.,.,.,.….,.…...,……,105 3.21.2. Picture Options for PostScript files 105 321.2.1. Window dumps( Linux Systems only)…..,.,…,…,……,…,…………,105 3.21.2.2. Previewing the Picture Image ,106 3. 22. Setting Data File Quantities..........................................106 3.23.The. fluent file.………4107 4. Unit Systems∴…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,……,,109 4.1. Restrictions on Units 鲁番着非非着·‖非·非·,自音鲁 ∴109 4.2. Units in Mesh files D非省非,音4·D。B非非D自非非自非。1 110 4.3. Built- n Unit Systems in ANSYS Fluent………,…,…,…,…,…,…,…,…,…,…,……,………………10 4. 4. Customizing Units .110 4.4.1. Listing Current Units………,,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,…,………,111 4.4.2. Changing the Units for a Quantity 111 443. Defining a New Unit,...,.,,…,…,… 111 4.4.3.1. Determining the Conversion Factor 112 5. Reading and Manipulating Meshes 1113 5.1. Mesh Topologies ∴113 5.1.1. Examples of Acceptable Mesh Topologies............ 114 5.1.2. Face-Node Connectivity in ANSYS Fluent 119 5.1.2.1.Face- Node Connectivity for Triangular cells...…,…,…,…,,…,…,……………,,120 5.1.2.2.Face- Node Connectivity for Quadrilateral cell!s…..…,…,…,…,…,…,,…,…,121 5123. Face-Node Connectivity for tetrahedral cells.,…,……,,……,…,122 5.1.2.4. Face- Node Connectivity for Wedge cells 123 5.1.2.5. Face-Node Connectivity for pyramidal cell 124 5.1.2.6. Face-Node Connectivity for Hex Cells 省D。非非D自非自着自非 125 5.1.2.7. Face-Node Connectivity for Polyhedral Cells 126 5.1.3. Choosing the Appropriate mesh Type 126 5.1.3.1. Setup Time...... 126 5.1.32. Computational Expense…......,…,.,……,…….,127 5.1.3 3. Numerical diffusion 127 5.2. Mesh requirements and considerations....,.,,…,,,,,……,128 52.1. Geometry/ Mesh Requirements…… 128 52.2. Mesh Quality......,..,.,.,:129 5.2.2.1. Mesh element distribution 131 5.2.2.2. Cell Quality 132 5.2.2.3. Smoothness ∴133 5.2.2.4. Flow-Field Dependency ..............................................133 5,3 Mesh sources ····.········:·:····:······:· 133 5.3.1. ANSYS Meshing Mesh Files 134 Release 15.0- SAS /P, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates User's Guid 5.3.2. Fluent Meshing Mode Mesh Files 134 533 TGrid mesh files 带看 134 5.3. 4 GAMBIT Mesh files 看非音非非普非音·非音。自非自非韦非非非申非非非·音。·。非自非着音非非着。D音·非垂。。4非自非非非。自非。音。鲁·。非非鲁‖非·。音。看 134 535. Geo Mesh mesh files ...wwwwwmwmmwwwwwwwwwwwwwwwwoww 134 5.3. 6. PrebfC mesh files .··········.········:········· 134 5.3.6.1 Structured mesh files 135 5.3.6.2. Unstructured Triangular and Tetrahedral Mesh Files 135 5.3.7. ICEM CFD Mesh files . 5.3 8.I-deas Universal files 135 5.3.8.1. Recognized I-deas datasets ········.·······:··.·:····:···:···:.:::·:··········:;·a··::····.·· 136 5.3.8.2. Grouping nodes to create face Zones 136 5.38.3. Grouping elements to Create Cell Zones..,.,…,,…,,…,…,136 5.3.8.4. Deleting Duplicate Nodes 136 5.3.9.NastranFileswwwwwwwwwwwwwwww.136 5.3.9.1. Recognized nastran Bulk Data Entries..... 137 5.3.9.2. Deleting Duplicate Nodes....... ……137 5.3.10. PATRAN Neutral files 1137 5.3.10.1. Recognized patran datasets. ....................................................................................138 5.3.10.2. Grouping elements to Create Cel! Zones……,…,…,…,…,…,,…,,139 5.3.11. Mechanical APDL Files 139 5.3.11.1. Recognized ANSYS5.4and5.5 Datasets………,…,…,…,…,…,…,……,…,…,139 5.3.12.CFⅩ Files, 4139 5.3.13. Using the fe2 ram filter to convert files……..,,.,,.,.,.,.,….,.,….,……..,141 5.3.14. Using the Filter to Remove Hanging Nodes/Edges.... 141 5.3.14.1. Limitations∴……………………………142 5.3.15. Fluent/UNS and RAMPAnt Case files 142 5.3.16. Fluent 4 Case files. 53.17 ANSYS FIDAP Neutral files 143 53.18. Reading multiple mesh/ Case/ Data files......….….….,143 5.3.18.1. Reading Multiple Mesh Files via the Solution Mode of Fluent……………………144 5.3.18.2. Reading multiple mesh Files via the meshing Mode of fluent……….…………145 5.3.183. Reading Multiple Mesh Files via tmerge………..….,.…,.,….,.,…,.,,,.….,146 5.3.19. Reading Surface Mesh files...,..................... 147 5.4. Non-Conformal meshes ·········:········:······:·.·::·:······:· 5.4.1.non-conformaLmeshcalculationswwwwwmwwwwwww.148 5.4.1.1. The Periodic Boundary Condition Option………,…,…,…,,,,,…,………………,151 5.4.1.2. The Periodic Repeats Option ........................... 152 5.4.1.3. The Coupled Wall Option ·。。自。音。普非,B。d非 154 5.4.1.4. Matching Option.. 155 54.2. Non-Conformal Interface Algorithn…..,..,….,….,…,……,……156 5.4.3. Requirements and Limitations of Non -Conformal meshes 157 5.4.4. Using a Non-Conformal Mesh in aNSYS Fluent ..................... 159 5.5. Checking the Mesh ··+···*· 162 5.5.1. Mesh Check report...............162 5.52 Repairing Meshes……………… ..···:· 164 5.6. Reporting Mesh Statistics ··.··········:·········· 5.6.1. Mesh size∴.166 5.6.2. Memory Usage,… 4167 5.65.2.1. Linux Systems……,……… 167 5.6.2. 2 Windows Systems.............. 167 563. Mesh Zone Information 168 5.6.4. Partition statistics 168 Release 15.0- SAS /P Inc. All rights reserved -Contains proprietary and con/idential in/ormation of ansys inc and its subsidiaries and affiliates User's guide 57. Converting the mesh to a polyhedral mesh....,.,….,.,….,…,,…,……,…,168 5.7.1. Converting the Domain to a Polyhedra.…,…,,… 169 5.7.1.1. Limitations 172 57,2. Converting Skewed Cells to Polyhedra……… :.····:·· 173 5.7.2.1. Limitations …173 5.7.2.2. Using the Convert Skewed Cells dialog boⅩ.……………………………………,174 5.7.3. Converting Cells with Hanging Nodes / Edges to Polyhedra. .............................................174 5.7.3.1. Limitations……175 58. Modifying the mesh… 175 5.8.1. Merging Zones…,…,…,, 176 5.8.1.1. When to merge Zones.... 176 5.8.1.2. Using the merge Zones Dialog box............... ··垂··非·音·音。非非 177 5.8. 2 Separating Zones 177 5.8.2.1. Separating face Zone 178 5.8.2.1.1. Methods for Separating Face Zones 178 5.8.2.1.2. nputs for Separating Face Zones,…,,…,,……,,…,…,178 5.8.2. 2 Separating Cell Zones 180 5.8.2.2.1. Methods for Separating Cell Zones. 5.8.2.2. 2 Inputs for Separating Cell Zones 180 5.8.3. Fusing Face Zones.…….,…,…,…,…,…,…,…,,…,,…,…,,,……,…,182 58.3.1. nputs for Fusing face Zones…,,,,.,…,…,…,…,,…,,,…,182 583.1.1. Fusing Zones on Branch Cuts......….,…,,……183 58.4. Creating Conformal Periodic Zones……………….…,…,…,…,……,…,……………,184 5.8.5. Slitting Periodic Zones..... 185 5.8.6. Slitting face Zones....................................... 185 58.6.1. nputs for Slitting Face Zones...........….…….,186 5.8.7. Orienting face Zones…,…,…,…,…,,…,…,…,,…,…,………,186 5.8.8. Extruding Face Zones 186 58.8.1. Specifying extrusion by displacement Distances………………,187 58.82. Specifying Extrusion by Parametric Coordinates…………… 187 5.89. Replacing, Deleting, Deactivating, and Activating Zones…..………………,187 5.8.9.1. Replacing Zones ,187 5892 Deleting Zones,............,.,,… 189 5.8.93. Deactivating zones…,,……,…,…,,…,,,…,,,,…,…,189 5.894. Activating Zones….…..,..,.,,.,.,.….,…,…,…,…,,…,…,190 58.10. Copying Cel! Zones…… 191 5.8.1 1. Replacing the mesh a··:aa:·····: 191 5.8.11.1. Inputs for Replacing the Mesh 192 5.8.1 1.2. Limitations 192 5.8.12. Managing Adjacent Zones. 193 5.8.12.1. Renaming Zones Using the Adjacency Dialog Box...... 195 58.13. Reordering the domain and Zones………….,.,…..,.,,…,.,….…..….,…,195 5.8.13.1. About Reordering 196 58.14. Scaling the mesh.....................,196 58.14.1. Using the Scale mesh dialog boⅩ……,…,…,… 197 5.8.14.1.1. Changing the Unit of Length 198 5.8.14.1.2. Unscaling the Mesh 98 58.14.13. Changing the physical Size of the mesh…....….…..……198 58.15. Translating the Mesh…………..,…,,….,,…,,…,…,……,………,,…… 198 5:8.15.1. Using the translate mesh dialog Box…........…,……………,199 58.16. Rotating the mesh……,,, ·············.·.··.······:·:·········:········.中.·:·.·:···:·.· 199 5.8.16.1. Using the rotate mesh dialog Box ...::a 200 Release 15.0- SAS /P, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates User's guide 6 Cell Zone and Boundary Conditions..,,,,,,,,,,,,,…,,…,………201 6.1. Overview 带看 201 611 Available Cell Zone and Boundary Types…..,…,…,…,…,201 6.12. The cel! Zone and Boundary Conditions Task Page……….….….…….….……202 6.1.3. Changing Cell and Boundary Zone 203 6.1.3.1. Categories of Zone Types……………,… ∴204 6.1.4. Setting Cell Zone and Boundary Conditions.............................. 204 6.15. Copying Cell Zone and Boundary Conditions…………………………,,205 6.1.6. Changing Cell or Boundary Zone names..... 206 6.1.7. Defining Non-Uniform Ce‖! Zone and Boundary Conditions…………………,……………,206 6.1.8. Defining and viewing Parameters..............206 6.1.8.1. Creating a New Parameter……,…,…,…,…,…,…,…,…,…,…,…,…,209 6.1.8.2. Working With Advanced Parameter Options 210 6.1.8.2.1. Defining Scheme Procedures With Input Parameters. ......................................210 6. 1.8.2.2. Defining UDFs With Input Parameters 212 6.1.8.2.3. Using the Text User Interface to Define UDFs and Scheme procedures With Input Parameters 212 6.19. Selecting Cell or Boundary Zones in the graphics Display.….…………………,213 6.1.10.0 perating and Periodic Conditions…………,…,…,…,…,…,……,…………,,214 6.1.11. Highlighting Selected Boundary Zones…,…,…,…,…,…,…,……,…,21 6.1.12. Saving and reusing Cell Zone and Boundary Conditions 215 6.2.CellzoNeConditionswwwwwwmwwoowwwoowww.215 6.2.1. Fluid conditions.ww...wwwwwowwoooowow... 215 6.2.1.1. Inputs for Fluid Zones .. .216 62.1.1.1. Defining the Fluid Material,…,…,…,,…,…,…,…,……,…,…,……………217 62.1.1.2. Defining Sources.........….….…….217 6. 2.1.1.3. Defining fixed values ,217 6. 2.1.1.4. Specifying a Laminar Zone 217 6. 2.1.1.5. Specifying a Reaction Mechanisi 217 6. 2.1.1.6. Specifying the rotation Axis 218 6.2.1.1.7. Defining Zone Motion.....................218 6.2.1.1.8. Defining Radiation Parameters 221 6.2.2 Solid conditions ,..w.wwwwwwgwwwwo.wwwo 221 6.2.2.1. nputs for Solid Zones……,…,…,…,…,…,…,…, .····:·:·:··· 221 6. 2.2.1.1. Defining the Solid Material 22 6. 2. Defining a Heat Source 222 6.2.2.1.3. Defining a fixed Temperature ·· ∴222 62.2.1.4. Specifying the Rotation Axis………….……………………………………223 6. 2.2.1.5. Defining Zone Motion .. 223 62.2.1.6. Defining radiation Parameters………… 223 6.2. 3 Porous media Conditions ····+·.+.+·4·:··4·.:···++·.+···中 223 6.2.3.1. Limitations and Assumptions of the porous media model ...... 224 6.2.3.2. Momentum Equations for Porous Media ......... 224 623.2.1. Darcy's Law in Porous media……….………,…,…,………………25 623.. Inertial Losses in Porous media 226 6.233. Treatment of the Energy equation in Porous Media,……,…,……,…………………226 6. 1. Equilibrium Thermal Model Equation 227 6.2.3. 3.2. Non-Equilibrium Thermal Model Equations............. ·非非·布·。非音垂。非音 227 6.23. 4 Treatment of turbulence in porous media . 6.2.3.5. Effect of porosity on transient Scalar equation 229 6.2.3.6. User Inputs for Porous Media 229 6. 2.3.6.1. Defining the porous Zone 230 Release 15.0- SAS /P Inc. All rights reserved -Contains proprietary and con/idential in/ormation of ansys inc and its subsidie User's guide 6.2.3.6.2. Defining the porous velocity Formulation. 623.6.3. Defining the Fluid Passing Through the Porous Mediun…………,…,…,………,231 6.2.3.6.4. Enabling reactions in a porous zone............................... 231 6.2.3.6.5. Including the relative velocity Resistance Formulation ,231 6.2.3.6.6. Defining the viscous and Inertial Resistance Coefficients 231 6.2.3.6.7. Deriving Porous Media Inputs Based on Superficial Velocity, Using a Known Pressure LOSS∴ ·。D非非曲 234 6.2.3.6.8. Using the Ergun Equation to Derive Porous Media Inputs for a packed Bed....235 6.2.3.6.9. Using an Empirical Equation to Derive Porous Media Inputs for turbulent Flow Through a perforated plate 非非非音非·非。非。,非是·非非··非非非非非非非非非自非非。自着非非·非·非··。是非·自非着鲁D。非非非自音非非音非 236 6.2.3.6.10. Using Tabulated Data to Derive Porous Media Inputs for Laminar Flow Through a Fibrous mat,… ······.·····:::····;·········:······:······:· 237 6.2.3.6.11. Deriving the Porous Coefficients Based on Experimental Pressure and Velocity Data∴,237 6. 2.3.6.12. Using the Power-Law Model 238 6.. Defining Porosity..... ,238 6.2.3.6.14. Specifying the Heat Transfer Settings 239 6.2.3.6.14.1. Equilibrium Thermal Model 中.·····:·:·· 239 6.23.6.14.2.Non- Equilibrium Thermal Model.….…..…..….….……….…239 6.2.3.6.15. Defining Sources ···········:·:··· 242 62.3.6.16. Defining Fixed Values…,,,…,…,…,, ∴242 6.2.3.6.17. Suppressing the turbulent Viscosity in the porous Region 242 623.6.18.5 pecifying the Rotation Axis and Defining Zone Motion…………………242 6237. Modeling Porous Media Based on Physical Velocity………………….243 6. 2.3.7.1. Single phase porous Media ·非自···非··。非·非·非非 243 6.2.3.7.2. Multiphase porous media 244 6.23.7.2.1. The Continuity Equation,…… 244 6.2.3.7.2. 2 The Momentum Equation 244 6.237.2.3. The Energy equation.......,.,.,,…,…,…,…,…,…,……,…,245 6.23.8. Solution Strategies for Porous Media……,…,,,… 245 6.239 Postprocessing for Porous media.....……………246 6.2.4. Fixing the values of variables ,247 6.2.4.1.Overview 6.2. 4.1.1. Variables that Can be fixed ................................................................................248 6.2.4.2. Procedure for Fixing values of variables in a Zone ······.··············· 248 6. 2.4.2.1. Fixing Velocity Components 249 624.2.,2. Fixing Temperature and enthalpy.....,..….………,249 6.24.2.3. Fixing Species Mass Fraction∩s∴………,…,…,…,…,…,…,………,………,250 6.2.4.2.4. Fixing Turbulence Quantities.......................250 62.4.2.5. Fixing User-Defined Scalars………,…,…,,,,…,…,…,,,…,250 6.2.5. Locking the Temperature for Solid and shell Zones. 251 6.2.6. Defining Mass, Momentum, Energy, and other Sources...................... 251 6.2.6. 1 Sign Conventions and Units 252 6.2.6. 2 Procedure for defining Sources.................. 252 6.2.6.2.1. Mass sources ,音 253 6.2.6.2.2. Momentum sources ...ww....wwww 253 6.2.6.2.3. Energy Sources 253 6.2.6.2. 4 Turbulence Sources ·音来自音非 253 6.2.6.2.4.1. Turbulence sources for the k-e model oooooooo. 253 6.2.6.2.4.2. Turbulence Sources for the spalart-Allmaras model 254 6.. Turbulence sources for the k -w Model 254 6.2.6.2. 4.4. Turbulence Sources for the reynolds stress model 254 Release 15.0- SAS /P, Inc. All rights reserved -Contains proprietary and confidential information of ansys inc and its subsidiaries and affiliates

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