GASPex Version 5.3.0 Reference Guide AeroSoft, Inc. 2000 Kraft Drive, Suite 1400 Blacksburg, VA 24060-6363 (540) 557-1900 (540) 557-1919 (FAX) http://www.aerosoftinc.com Table of Contents 1 Getting Started 11 1.1 Overview of Steps................................. 11 1.2 Installing GASPex on Linux Platforms..................... 12 1.2.1 Setting necessary environment variables................. 12 1.2.2 Generating Your Machine's HostId................... 14 1.2.3 Requesting a License Key........................ 14 1.2.4 Installing the License Key........................ 15 1.2.5 Running the License Manager...................... 15 1.2.6 Documentation and Tutorial Information................ 15 1.3 Installing GASPex on Windows......................... 17 1.3.1 Downloading the Software........................ 17 1.3.2 Downloading on Windows........................ 17 1.3.3 Setting Necessary Environment Variables................ 18 1.3.4 Generating Your Machine's HostId................... 18 1.3.5 Requesting a License Key........................ 19 1.3.6 Installing the License Key........................ 19 1.3.7 Running the License Manager...................... 19 1.3.8 Documentation and Tutorial Information................ 19 1.3.9 Running the GASPex Flow Solver................... 20 2 What's New In GASPex5.3 23 3 Using GASPex 25 3.1 AeroSoft Directory Structure........................... 25 3.1.1 The bin directory............................. 25 3.1.2 The etc Directory............................. 26 3.1.3 The share Directory........................... 26 3.2 The RLM License Server............................. 27 3.3 The gaspex Binary................................ 30 3.3.1 Running The GASPex GUI....................... 31 3.3.2 Running The GASPex Flow Solver................... 32 3.3.3 Running The Database GUI....................... 34 1 2 GASPex Version 5.3.0, AeroSoft, Inc. 3.3.4 Running The Replace Grid Utility.................... 34 3.3.5 Running The Replace Solution Utility................. 36 3.3.6 Running The Batch Output Utility................... 37 3.3.7 Running The Update Version Utility.................. 38 3.4 GASPex Environment Variables......................... 38 3.5 Solver Interrupt Signals............................. 39 3.6 The units.txt File................................ 40 3.7 Overview of Running a Problem......................... 42 3.8 Fluid Flow Problems............................... 44 3.8.1 Unstructured Grids............................ 44 3.9 Solid Material Problems............................. 45 3.10 Conjugate Heat Transfer Problems....................... 46 3.11 Helpful Information on Select Topics...................... 46 3.11.1 Solution Limiting Options........................ 46 3.11.2 Plot3D Solution Import......................... 47 3.11.3 Steady State Global Problems...................... 47 3.11.4 Time Accurate Methods......................... 48 3.11.5 Time Accurate Simulations....................... 49 3.11.6 Turbulence Simulations.......................... 49 3.11.7 Detached Eddy Simulation........................ 49 3.11.8 Chemistry Simulations.......................... 50 3.11.9 Space Marching.............................. 50 3.11.10 Overlapping Grid Simulations...................... 51 3.11.11 Grid Generation Issues.......................... 51 3.11.12 Axi-Symmetric Problems......................... 51 4 GASPex Menu Bar 53 4.1 The Pull-Down Menus.............................. 53 4.2 The File Pull-Down Menu............................ 53 4.2.1 The File/New Menu Item........................ 53 4.2.2 The File/Open Menu Item........................ 54 4.2.3 The File/Save Menu Item........................ 54 4.2.4 The File/Save As Menu Item...................... 55 4.2.5 The File/Close Menu Item........................ 55 4.2.6 The File/Generate HostId........................ 55 4.2.7 The File/Import Menu Item....................... 56 4.2.8 The File/Recover Archive Menu Item.................. 61 4.2.9 The File/Compress Grid File...................... 62 4.2.10 The File/Compress Soln File....................... 62 4.2.11 The File/Quit Menu Item........................ 62 4.3 The Commands Pull-Down Menu........................ 62 4.4 The Wizards Pull-Down Menu.......................... 65 User's Guide 3 4.5 The View Pull-Down Menu........................... 65 4.6 The Options Pull-Down Menu.......................... 66 4.7 The Tabs Pull-Down Menu............................ 67 4.8 The Help Pull-Down Menu............................ 67 5 The Main Frame 69 5.1 Chemistry and Thermodynamics Database................... 69 5.2 Unit System.................................... 70 5.3 Grids Directory.................................. 70 5.4 Solution Directory................................ 71 5.5 Reference Quantities............................... 71 5.6 Reference Pressure................................ 72 6 The Graphics Window 73 6.1 Introduction.................................... 73 6.2 Manipulating The View............................. 73 6.2.1 Rotation.................................. 73 6.2.2 Translation................................ 74 6.2.3 Zooming.................................. 74 6.3 Interactive Picking Objects............................ 74 6.3.1 Single Select................................ 75 6.3.2 Multiple Select.............................. 75 6.3.3 Toggle Select............................... 75 6.3.4 Cycle Select................................ 75 7 The Tree View 77 7.1 Introduction.................................... 77 7.1.1 Zones................................... 77 7.1.2 Zonal Boundaries............................. 79 7.1.3 Surfaces.................................. 79 7.1.4 Solution Visualization.......................... 80 7.1.5 File Output................................ 80 7.2 Tree Node Properties............................... 80 7.2.1 The Render Property........................... 81 7.2.2 The Color Property............................ 82 7.2.3 The Line Width Property........................ 83 7.2.4 Use Parent................................. 83 7.3 Manipulating the Tree.............................. 83 7.3.1 Expanding and Collapsing Tree Nodes................. 83 7.3.2 Renaming a Tree Node.......................... 83 7.3.3 Selecting Tree Nodes........................... 84 7.3.4 Moving Tree Nodes............................ 84 7.4 Pop-Up Menus.................................. 85 4 GASPex Version 5.3.0, AeroSoft, Inc. 7.4.1 The Edit Menu.............................. 85 7.4.2 The Drop Selected Menu......................... 86 8 The Zones Frame 87 8.1 Introduction.................................... 87 8.2 Zone Initialization................................ 88 8.2.1 Zone Name and Dimensions....................... 89 8.2.2 Soln For and Initial Physical Model and Q Specification........ 89 8.2.3 When Does Initialization Occur..................... 89 8.3 Sequencing..................................... 90 8.3.1 Zone Name and Dimensions....................... 90 8.3.2 Structured Mesh Sequencing Levels................... 91 8.3.3 Unstructured Mesh Sequencing Levels................. 92 8.4 Grid Management................................. 93 8.4.1 Table Parameters............................. 94 8.4.2 Delete Grids Option........................... 95 8.4.3 Replace Grids............................... 95 8.4.4 Transform Grids............................. 95 8.4.5 Delete Wall Distance........................... 95 8.4.6 Display Grid Info............................. 96 8.5 Solution Management............................... 96 8.5.1 Soln For Physical Model......................... 96 8.5.2 Table Parameters............................. 97 8.5.3 Average From Finest Sequence..................... 97 8.5.4 Interp from Coarser Sequence...................... 97 8.5.5 General Interp............................... 97 8.5.6 Insert Solution.............................. 98 8.5.7 Initialize Solution............................. 98 8.5.8 Delete Solns................................ 99 8.5.9 Import Solns............................... 99 8.6 Editing Surfaces.................................. 99 8.6.1 Combine Surfaces............................. 100 8.6.2 Splitting Surfaces............................. 100 8.7 Interp Coefs.................................... 106 8.8 Zone Algorithms................................. 106 8.8.1 Grid Adaptation for Unstructured Soln................. 107 8.8.2 Shock Fit Algorithm........................... 111 8.8.3 Solution Interpolation.......................... 115 9 The Zonal Boundaries Frame 117 9.1 Introduction.................................... 117 9.2 Zonal Boundaries Tabs.............................. 117 User's Guide 5 9.3 Point-to-Point Zonal Boundaries......................... 118 9.3.1 Computing Singular Lines........................ 118 9.3.2 Introduction to Zonal Boundaries.................... 119 9.3.3 Automated Point-to-Point Zonal Boundaries.............. 120 9.3.4 Creating Zonal Boundaries Manually.................. 121 9.3.5 Setting Zonal Boundary Parameters................... 122 9.3.6 Checking Zonal Boundaries....................... 123 9.4 The Chimera Algorithm............................. 123 9.4.1 The Importance of Surface Groupings.................. 124 9.4.2 Hole Cutting............................... 124 9.4.3 Hole Filling Algorithms.......................... 127 9.4.4 Computing Chimera Coefficients..................... 134 10 The Physical Models Frame 147 10.1 Introduction.................................... 147 10.2 Parent/Child