《CFX4培训》（英文版）Lecture 11 Useful Hints & Documentation

AEATECHNOLoGY ENGINEERING SOFTWAR Lecture 11 Useful hints Documentation CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -1 CFX-4.3 V4.3.1H Lecture 11 Useful Hints & Documentation

AEATECHNOLoGY ENGINEERING SOFTWAR Useful hints Simplify the problem Simplify geometry Ignore features that do not affect the flow Use as many blocks as possible to set the geometry Make blocks meet at complete faces Maintain good mesh quality Simplify physics Model the physical process that is of utmost importance Model the dominant flow physics Check grid quality Check boundary conditions Obtain an initial simple flow field CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -2 CFX-4.3 V4.3.1H Useful Hints Simplify the problem - Simplify geometry > Ignore features that do not affect the flow > Use as many blocks as possible to set the geometry > Make blocks meet at complete faces > Maintain good mesh quality. - Simplify physics > Model the physical process that is of utmost importance > Model the dominant flow physics. - Check grid quality. - Check boundary conditions. - Obtain an initial simple flow field

AEATECHNOLoGY ENGINEERING SOFTWAR Useful hints Start with coarse grid and refine the grid as required Gradually build the complexity of the problem and restart from the previous solution CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -3 CFX-4.3 V4.3.1H Useful Hints Start with coarse grid and refine the grid as required. Gradually build the complexity of the problem and restart from the previous solution

AEATECHNOLoGY ENGINEERING SOFTWAR Documentation Installation manual Online help Help button on various menus Online help in CFX-Build( 1 key Number of books available for printing Summary booklet of commands. Course notes Use them to refresh your training experience FAQs e.g. How to stop a run before it finishes? CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -4 CFX-4.3 V4.3.1H Documentation Installation manual. Online help - Help button on various menus - Online help in CFX-Build (F1 key) - Number of books available for printing. Summary booklet of commands. Course notes - Use them to refresh your training experience. FAQs - e.g. How to stop a run before it finishes?

AEATECHNOLoGY ENGINEERING SOFTWAR On-Line documentation CFX-4 Environment EXamples Installation Pre-Processing Post-Processing Solver to print the list of books available on line cfx4doc -list to send the document to the printer cfx doc -print CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -5 CFX-4.3 V4.3.1H On-Line Documentation CFX-4 - Environment - Examples - Installation - Pre-Processing - Post-Processing - Solver. to print the list of books available on line cfx4doc -list to send the document to the printer cfx4doc -print

AEATECHNOLoGY ENGINEERING SOFTWAR Documentation CFX-4: Solver 1 INTRODUCTION- New features 2. THE COMMAND LANGUAGE: AN OVERVIEW 3. PROBLEM SIZE AND BASIC OPTIONS->>CFX4 4. GEOMETRY AND TOPOLOGY->>MODEL TOPOLOGY 5. PHYSICAL MODELS AND FLUID PROPERTIES ->>MODEL DATA 6. SOLUTION ALGORITHMS->>SOLVER DATA 7. GRIDDING OPTIONS->> CREATE GRID 8. BOUNDARY CONDITIONS->> MODEL BOUNDARY CONDITIONS 9. OUTPUT OPTIONS->>OUTPUT OPTIONS 10. FORTRAN USER ROUTINES-description of user fortran routines 11. FURTHER DETAILS FOR ADVANCED USERS-data structures 12. MATHEMATICAL MODELS-physical models, boundary conditions CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -6 CFX-4.3 V4.3.1H Documentation CFX-4: Solver 1. INTRODUCTION - New features 2. THE COMMAND LANGUAGE: AN OVERVIEW 3. PROBLEM SIZE AND BASIC OPTIONS - >>CFX4 4. GEOMETRY AND TOPOLOGY - >>MODEL TOPOLOGY 5. PHYSICAL MODELS AND FLUID PROPERTIES - >>MODEL DATA 6. SOLUTION ALGORITHMS - >>SOLVER DATA 7. GRIDDING OPTIONS - >> CREATE GRID 8. BOUNDARY CONDITIONS - >> MODEL BOUNDARY CONDITIONS 9. OUTPUT OPTIONS - >>OUTPUT OPTIONS 10. FORTRAN USER ROUTINES - description of user fortran routines 11. FURTHER DETAILS FOR ADVANCED USERS - data structures 12. MATHEMATICAL MODELS - physical models, boundary conditions

AEATECHNOLOGY ENGINEERING SOFTWAR Documentation 13. DISCRETISATION AND SOLUTION ALGORITHMS 14. SUMMARY OF THE CFX-4 SOLVER COMMANDS AND KEYWORDS 15. REFERENCES 16. APPENDIX A DEFAULT UNITS FOR DIMENSIONAL KEYWORDS 17. APPENDIX B. THE PROPERTIES DATABASE 18. APPENDIX C, MODEL COM BINATIONS THAT ARE PERMITTED IN CFX-43 CFX-4 CFX-4.3V4.3.1H Introductory Training(Dec 1999)

CFX-4 Introductory Training (Dec 1999) 11 -7 CFX-4.3 V4.3.1H Documentation 13. DISCRETISATION AND SOLUTION ALGORITHMS 14. SUMMARY OF THE CFX-4 SOLVER COMMANDS AND KEYWORDS 15. REFERENCES 16. APPENDIX A, DEFAULT UNITS FOR DIMENSIONAL KEYWORDS 17. APPENDIX B, THE PROPERTIES DATABASE 18. APPENDIX C, MODEL COMBINATIONS THAT ARE PERMITTED IN CFX-4.3