2021 R2 Ansys Fluent教程指南：模型与资源下载

版权申诉

5星 · 超过95%的资源 134 浏览量更新于2024-07-04 收藏 50.59MB PDF 举报

"《ANSYS Fluent教程指南2021 R2》是ANSYS公司于2021年7月发布的一份详细教程手册，主要针对ANSYS Fluent软件，这是一款广泛应用于流体动力学分析的高级数值模拟工具。该指南包含了2021 R2版本的详细内容，旨在帮助用户理解和掌握Fluent的使用方法，从基础知识到高级应用，覆盖了从网格生成、边界条件设定、求解流程、结果解析以及案例研究等各个层面。在本教程中，首先会介绍Fluent的基本界面和工作流程，包括如何导入和编辑几何模型，以及如何设置网格。然后，用户将学习如何设置不同的流体流动、热传导和多相流等物理模型，以及如何配置和调整计算参数。这部分内容强调了理解和运用ANSYS Fluent内置的求解算法，如压力-速度耦合、N-S方程求解等。此外，指南还涵盖了解析和可视化结果的方法，包括Post-Processing模块的使用，以及如何解读和解释模拟数据以获取有价值的工程见解。对于初次接触Fluent的新手，会有入门级的教程和实例，而对经验丰富的用户，可能会深入探讨高级技术和优化策略。值得注意的是，文档中也包含了版权和商标信息，强调未经授权的使用、复制或分发是被禁止的，并列出了相关的商标，如Ansys、CFX、FLUENT等，这些都是ANSYS公司及其子公司在全球范围内享有权利的品牌标识。最后，教程附带了模型素材和PDF一体压缩文件，方便用户在实际操作中进行练习和验证。用户可以通过访问指定网址（http://www.ansys.com）获取更多支持和服务，或者通过联系ansysinfo@ansys.com获取进一步的帮助。《Ansys Fluent教程指南2021 R2》是一份全面的资源，不仅适合工程师、研究人员和学生进行学习，也是提升Fluent技能和解决实际工程问题的重要参考资料。它提供了深入理解并熟练掌握ANSYS Fluent的完整路径，确保用户能够有效地利用这款强大的数值模拟工具进行复杂的流体动力学分析。"

18.5. Pathlines of Air in the Swirling Annular Stream ................................................................................... 723

18.6. Convergence History of Mass Fraction of ch3oh on Fluid .................................................................... 739

18.7. Convergence History of DPM Mass Source on Fluid ............................................................................ 740

18.8. Convergence History of Total Mass in Domain .................................................................................... 740

18.9. Convergence History of Evaporated Particle Mass .............................................................................. 741

18.10. Particle Tracks for the Spray Injection ............................................................................................... 743

18.11. Contours of DPM Temperature ......................................................................................................... 745

18.12. Contours of DPM Sauter Diameter ................................................................................................... 746

18.13.Vectors of DPM Mean Velocity Colored by DPM Velocity Magnitude .................................................. 748

18.14. Full Atomizer Display with Surface of Constant Methanol Mass Fraction ........................................... 751

18.15. Atomizer Display with Surface of Constant Methanol Mass Fraction Enhanced .................................. 752

19.1. Schematic of the Problem ................................................................................................................. 754

19.2. Default Display of the Nozzle Mesh .................................................................................................... 756

19.3. The Quadrilateral Mesh ..................................................................................................................... 757

19.4. Mesh Display of the Nozzle Mirrored and Upright .............................................................................. 760

19.5. Contours of Water Volume Fraction After 6 μs .................................................................................... 783

19.6. Contours of Water Volume Fraction After 12 μs ................................................................................... 784

19.7. Contours of Water Volume Fraction After 18 μs ................................................................................... 784

19.8. Contours of Water Volume Fraction After 24 μs ................................................................................... 785

19.9. Contours of Water Volume Fraction After 30 μs ................................................................................... 785

20.1. Problem Schematic ........................................................................................................................... 788

20.2.The Mesh in the Orifice ...................................................................................................................... 790

20.3. Contours of Static Pressure ................................................................................................................ 812

20.4. Mirrored View of Contours of Static Pressure ...................................................................................... 813

20.5. Contours of Turbulent Kinetic Energy ................................................................................................. 814

20.6. Contours of Vapor Volume Fraction .................................................................................................... 815

21.1. Problem Schematic ........................................................................................................................... 818

21.2. Mesh Display of the Mixing Tank ........................................................................................................ 820

21.3. Residual History ................................................................................................................................ 827

21.4. Contours of Air Volume Fraction on the XZ plane ............................................................................... 829

21.5. Contours of Air Volume Fraction on the z=0.08 plane ......................................................................... 830

21.6.Vectors of Water Velocity Magnitude on the XZ plane ......................................................................... 831

21.7. Vectors of Air Velocity Magnitude on the XZ plane ............................................................................. 832

22.1. Solidification in Czochralski Model .................................................................................................... 836

22.2. Mesh Display .................................................................................................................................... 838

22.3. Contours of Temperature for the Steady Conduction Solution ............................................................ 860

22.4. Contours of Temperature (Mushy Zone) for the Steady Conduction Solution ...................................... 862

22.5. Contours of Temperature at t=0.2 s .................................................................................................... 868

22.6. Contours of Liquid Fraction at t=0.2 s ................................................................................................. 869

22.7. Contours of Temperature at t=5 s ....................................................................................................... 870

22.8. Contours of Liquid Fraction at t=5 s ................................................................................................... 871

23.1. Problem Schematic ........................................................................................................................... 874

23.2. Mesh Display of the Fluidized Bed ..................................................................................................... 876

23.3. Initial Volume Fraction of Granular Phase (solids) ............................................................................... 902

23.4. Plot of Mixture-Averaged Heat Transfer Coefficient in the Cell Next to the Heated Wall Versus Time ..... 904

23.5. Contours of Static Pressure ................................................................................................................ 906

23.6. Contours of Volume Fraction of Solids ................................................................................................ 907

24.1. Problem Schematic ........................................................................................................................... 910

24.2.Velocity Magnitude on the Symmetry Plane ....................................................................................... 912

24.3. Contours of Total Displacement ......................................................................................................... 924

25.1. Problem Schematic ........................................................................................................................... 926

of ANSYS, Inc. and its subsidiaries and affiliates.xvi

Tutorial Guide

25.2. Steady-State Velocity Magnitude ....................................................................................................... 928

25.3. Duct with Mirroring .......................................................................................................................... 929

25.4.The Vertex Average Displacement of the Flap's Point Surface .............................................................. 954

25.5. Contours of Velocity Magnitude ........................................................................................................ 956

25.6. Contours of Total Displacement ......................................................................................................... 957

25.7. The Mesh of the Displaced Flap ......................................................................................................... 958

26.1. Mesh Close to the Cylinder Surface .................................................................................................... 961

26.2. Contours of Velocity Magnitude ........................................................................................................ 961

26.3. Adjoint Observables Dialog Box ........................................................................................................ 962

26.4. Manage Adjoint Observables Dialog Box ........................................................................................... 962

26.5. Create New Observable Dialog Box .................................................................................................... 963

26.6. Manage Observables Dialog Box ....................................................................................................... 964

26.7. Adjoint Observables Dialog Box ........................................................................................................ 965

26.8. Adjoint Solution Controls Dialog Box ................................................................................................. 966

26.9. Adjoint Residual Monitors Dialog Box ................................................................................................ 968

26.10. Run Adjoint Calculation Dialog Box .................................................................................................. 969

26.11. Residuals for the Converged Solution .............................................................................................. 969

26.12. Adjoint Reporting Dialog Box .......................................................................................................... 970

26.13. Contours Dialog Box When Plotting Adjoint Fields ........................................................................... 971

26.14. Adjoint Sensitivity to Body Force X-Component Contours ................................................................ 972

26.15. Vectors Dialog Box .......................................................................................................................... 973

26.16. Shape Sensitivity Colored by Sensitivity to Mass Sources (Cell Values) ............................................... 974

26.17. The Design Tool Dialog Box ............................................................................................................. 975

26.18. Morphing Region Around Cylinder .................................................................................................. 976

26.19. The Design Tool Dialog Box Objectives Tab ...................................................................................... 977

26.20. Morphing Preview of Cylinder ......................................................................................................... 983

26.21. Mesh After Deformation .................................................................................................................. 984

27.1. Schematic of the Battery Cell Problem ............................................................................................... 988

27.2. Model Options .................................................................................................................................. 990

27.3. Conductive Zones ............................................................................................................................. 992

27.4. Electric Contacts ............................................................................................................................... 993

27.5. Residual History of the Simulation ................................................................................................... 1004

27.6. Report Plot of Discharge Curve at 1 C ............................................................................................... 1004

27.7. History of Maximum Temperature in the Domain ............................................................................. 1005

27.8. Contour Plot of Phase Potential for the Positive Electrode ................................................................. 1007

27.9. Contour Plot of Phase Potential for the Negative Electrode ............................................................... 1009

27.10. Contour Plot of Phase Potential for Passive Zones ........................................................................... 1011

27.11. Contour Plot of Temperature ......................................................................................................... 1013

27.12.Vector Plot of Current Density ........................................................................................................ 1015

27.13. NTGK Model: Discharge Curves ...................................................................................................... 1017

27.14. NTGK Model: Maximum Temperature in the Domain ...................................................................... 1018

27.15. Battery Pulse Discharge ................................................................................................................. 1019

27.16. Internal Short Circuit Region Marked for Patching .......................................................................... 1021

27.17.The Vector Plots of Current at the Positive Current Collectors .......................................................... 1025

27.18.The Vector Plots of Current at the Negative Current Collectors ........................................................ 1026

27.19. Contour Plot of Temperature ......................................................................................................... 1027

28.1. Schematic of the Battery Pack Problem ............................................................................................ 1032

28.2. Model Options ................................................................................................................................ 1035

28.3. Conductive Zones ........................................................................................................................... 1037

28.4. Electric Contacts ............................................................................................................................. 1038

28.5. Residual History of the Simulation ................................................................................................... 1049

xvii

of ANSYS, Inc. and its subsidiaries and affiliates.

Tutorial Guide

28.6. Surface Report Plot of Discharge Curve at 200W .............................................................................. 1049

28.7. Volume Report Plot of Maximum Temperature in the Domain .......................................................... 1050

28.8.Vector Plot of Current Density .......................................................................................................... 1052

28.9. Contour Plot of Temperature ........................................................................................................... 1054

28.10. Ohmic Heat Generation Rate ......................................................................................................... 1056

28.11. Total Heat Generation Rate ............................................................................................................ 1058

29.1. NACA0012 Structured C-Mesh Overview and Close-Up .................................................................... 1060

29.2. Scaled Residuals .............................................................................................................................. 1065

29.3. Convergence of Lift and Drag Coefficients of the Clean Airfoil .......................................................... 1066

29.4. The Residual Values ......................................................................................................................... 1067

29.5. Convective Heat Flux Over the Clean NACA0012 Airfoil .................................................................... 1067

29.6. Scaled Residuals .............................................................................................................................. 1070

29.7. Convergence of Lift and Drag Coefficients of the Rough Airfoil ......................................................... 1071

29.8. The Residual Values ......................................................................................................................... 1072

29.9. Convective Heat Flux Over the Rough NACA0012 Airfoil ................................................................... 1072

29.10. Convergence of Residuals: Momentum, LWC and Average Residuals ............................................... 1075

29.11. Convergence of Total Beta and Change in Total Beta Curves ........................................................... 1076

29.12. Collection Efficiency of Monodispersed Droplets over a NACA0012 ................................................ 1077

29.13. LWC of Monodispersed Droplets Around a NACA0012 .................................................................... 1078

29.14. Collection Efficiency of Droplets with Langmuir-D Distribution over a NACA0012 ........................... 1081

29.15. LWC of Droplets with Langmuir-D Distribution Around a NACA0012 ............................................... 1082

29.16. LWC of a Langmuir D Droplet Cloud over a NACA0012 at an AoA of 4 Degrees, Showing the Shadow

Zone (Blue Region) ................................................................................................................................. 1085

29.17. Collection Efficiency of a Langmuir D Droplet Cloud on the Surface of the Airfoil at an AoA of 4 De-

grees ...................................................................................................................................................... 1085

29.18. Collection Efficiency of a Langmuir D Droplet Cloud on the Surface of the Airfoil at an AoA of 4 De-

grees ...................................................................................................................................................... 1087

29.19. Collection Efficiency on the Surface of the Airfoil at an AoA of 4 Degrees, Langmuir D Droplet Solu-

tions ....................................................................................................................................................... 1089

29.20. Collection Efficiency on the Surface, Langmuir D vs. Monodisperse ................................................. 1091

29.21. LWC Distribution and Shadow Zones for 44.4 Micron Droplets (Left) and 6.2 Micron Droplets

(Right) .................................................................................................................................................... 1092

29.22. Mass Conservation Table Printed in the Log File of Fluent Icing ....................................................... 1094

29.23. Ice View in Viewmerical Showing Shaded + Wireframe, -25 °C ......................................................... 1095

29.24. Ice View in Viewmerical Showing Metallic + Smooth, , -7.5 °C .......................................................... 1096

29.25. Ice Shapes at -25, -10, and -7.5 C ..................................................................................................... 1097

29.26. Film Height Variation Over the Ice at -25, -10, and -7.5 C .................................................................. 1099

29.27. Ice View with CFD-Post, Ice Cover ................................................................................................... 1102

29.28. Ice View in CFD-Post, Ice Cover with Display Mesh .......................................................................... 1103

29.29. Ice View in CFD-Post, Instantaneous Ice Growth over Ice Cover Surface ........................................... 1104

29.30. 2D-Plot in CFD-Post, Clean Wall Surface and Ice Cover Surface ........................................................ 1105

29.31. 2D-Plot in CFD-Post,Water Film Distribution ................................................................................... 1106

29.32. 3-Shots Ice Shape at -7.5 C ............................................................................................................. 1109

29.33. Ice Shapes at -7.5 C, Obtained Using One Shot and Three Shots Computations ................................ 1110

29.34. Ice View in CFD-Post, Final Ice Shape .............................................................................................. 1112

29.35. Ice View in CFD-Post, Instantaneous Ice Growth over Ice Cover Surface, Final Ice Shape ................... 1113

29.36. 2D-Plot in CFD-Post, Ice Shapes of the Multishot Simulation ........................................................... 1115

29.37. NACA0012 Structured C-Mesh Overview and Close-Up .................................................................. 1116

29.38. Scaled Residuals ............................................................................................................................ 1118

29.39. Convergence of Lift and Drag Coefficients of the Rough Airfoil ....................................................... 1119

29.40. The Residual Values ....................................................................................................................... 1120

of ANSYS, Inc. and its subsidiaries and affiliates.xviii

Tutorial Guide