User S Guide For An Interactive Personal Computer Interface For The Aeroprediction Code
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User S Guide For An Interactive Personal Computer Interface For The 1998 Aeroprediction Code Ap98
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Author : Thomas C. Hymer
language : en
Publisher:
Release Date : 1998
User S Guide For An Interactive Personal Computer Interface For The 1998 Aeroprediction Code Ap98 written by Thomas C. Hymer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Aerofoils categories.
This report describes interactive, user friendly, pre-processing and post-processing personal computer (P.C.) modules designed to operate with the latest version of the Naval Surface Warfare Center (NSWC) Aeroprediction Code (AP98). As part of the preprocessing input module, geometry inputs are automated by giving the user many options. By using this new software, a set of aerodynamic coefficients can be obtained on most weapon configurations in less than 15 minutes from time of initial setup to computer outputs, compared to 2-4 hours for the AP98 computer mainframe version, While the computer cost savings are modest (the AP98 executes on a large computer in less than a second), the manpower savings and productivity enhancements can be significant. Various plots of the aerodynamic coefficients are available to the user and are plotted automatically by the post-processing module. Data output is also made available to the user in the form of standard Aeroprediction output files as well as tabulated data. The User's Guide is designed to aid users of the AP98 by correlating AP98 P.C. Interface Data Inputs and the corresponding source code variable names.
User S Guide For An Interactive Personal Computer Interface For The Aeroprediction Code
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Author :
language : en
Publisher:
Release Date : 1994
User S Guide For An Interactive Personal Computer Interface For The Aeroprediction Code written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
This report describes an interactive, user-friendly, pre- and post-processing PC modules designed to operate with the latest version of the NSWC Aeroprediction Code (AP93). As part of the preprocessing input module, geometry inputs are now automated by giving the user many options. By using this new software, a set of aerodynamic coefficients can be obtained on most weapon configurations in less than 15 minutes from time of initial setup to computer outputs, compared to 2 to 4 hours for the AP93 computer mainframe version. While the computer cost savings are modest (the AP93 executes on a large computer in less than a second), the manpower savings and productivity enhancements can be significant. The user's guide attempts to aid users of the AP93 by correlating AP93 PC Interface Data Inputs and the corresponding source code variable names. This cross-referencing information is given in italics in the discussion aerodynamic coefficients NSWCDD Aeroprediction Code, AP93, Source code variable names, AP93 PC Interface Data Inputs, Geometry inputs, Aerodynamic coefficients.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
User S Guide For An Interactive Personal Computer Interface For The Aeroprediction Code
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Author : Thomas C. Hymer
language : en
Publisher:
Release Date : 1994
User S Guide For An Interactive Personal Computer Interface For The Aeroprediction Code written by Thomas C. Hymer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computer interfaces categories.
This report describes interactive, user-friendly, pre-and post-processing PC modules designed to operate with the latest version of the NSWC Aeroprediction Code (AP93). As part of the preprocessing input module, geometry inputs are now automated by giving the user many options. By using this new software, a set of aerodynamic coefficients can be obtained on most weapon configurations in less than 15 minutes from time of initial setup to computer outputs, compared to 2 to 4 hours for the AP93 computer mainframe version. While the computer cost savings are modest (the AP93 executes on a large computer in less than a second), the manpower savings and productivity enhancements can be significant. The user's guide attempts to aid users of the AP93 by correlating AP93 PC Interface Data Inputs and the corresponding source code variable names. This cross-referencing informaiton is given in italics in the discussion.
The 2002 Version Of The Aeroprediction Code
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 2002
The 2002 Version Of The Aeroprediction Code written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Aerodynamics categories.
A new version of the aeroprediction code (APC), the AP02, has been developed to address the requirements arising from advanced weapon concepts. The AP02 was formed by adding significant new technology and several productivity improvements to the previous version of the APC, the AP98. New technology added included 6 and 8 fin aerodynamics, improved nonlinear aerodynamics, improved pitch damping predictions, improved power-on base drag estimates, base-bleed effect on base drag estimation, improved axial force of nonaxisymmetric bodies and trailing-edge flap capability. Other improvements and productivity enhancements include an aerodynamic smoother, ballistic and three degree-of-freedom simulation modules as well as refinements for the pre- and post-processor for inputs and outputs of the AP02. Comparison of the predicted aerodynamics of the AP02 to AP98 and experimental data showed the AP02 to be slightly better than the AP98 in most cases that both codes would handle. However, due to the additional new technology incorporated into the AP02, many new options are available in the AP02 that are not available in the AP98. Therefore, the AP02 is more robust and, on average, is slightly more accurate than the AP98 in predicting aerodynamics of weapons.
Refinements In The Aeroprediction Code Based On Recent Wind Tunnel Data
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 1999
Refinements In The Aeroprediction Code Based On Recent Wind Tunnel Data written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aerodynamics categories.
A Simplified Method For Predicting Aerodynamics Of Multi Fin Weapons
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 1999
A Simplified Method For Predicting Aerodynamics Of Multi Fin Weapons written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aerodynamics categories.
Improvements In Pitch Damping For The Aeroprediction Code With Particular Emphasis On Flare Configurations
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 2000
Improvements In Pitch Damping For The Aeroprediction Code With Particular Emphasis On Flare Configurations written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Aerodynamics categories.
New capability has been added to the NSWC aeroprediction code to allow aerodynamics to be predicted for Mach numbers up to 20 for configurations with flares. This new capability includes extending the static aerodynamic predictions for Mach numbers less than 1.2, improving the body alone pitch damping for Mach numbers above 2.0, and developing a new capability for pitch damping of flared configurations at Mach numbers up to 20. This new capability for flared configurations was validated for several different configurations in the Mach number range of 2 to 8.8. In general, pitch damping predictions of the improved capability was within 20 percent of either experimental data or computational fluid dynamics calculations. This accuracy level is believed to be quite adequate for dynamic derivatives in the preliminary design stage. These new additions to the aeroprediction code will be transitioned to users as part of the 2002 version of the code (APO2).
Zeus
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Author : David F. Robinson
language : en
Publisher:
Release Date : 1999
Zeus written by David F. Robinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Computational fluid dynamics categories.
A User's Manual for the Zeus(++) Flowfield Analysis tool is provided along with a tutorial for setting up and executing a missile geometry with control surfaces. The tool solves the three-dimensional Euler equations to calculate the inviscid flowfield about the geometry. This inviscid solution is then supplied as input to an integral boundary layer solver which calculates the effects of viscosity on the body. Finally, if a more in-depth solution is desired, Zeus(++) can be used to generate a computational domain for use in a full Navier-Stokes solver. By applying the Zeus(++) tool, computational analyses of complex three-dimensional missile geometries can be performed on a personal computer in a matter of minutes. In addition, a computational grid suitable for a full Navier-Stokes solver can be generated in approximately 10 min. This represents significant savings in both manpower and computational costs typically associated with computational fluid dynamics.
Technical Digest
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Author : Naval Surface Warfare Center (U.S.). Dahlgren Division
language : en
Publisher:
Release Date : 1998
Technical Digest written by Naval Surface Warfare Center (U.S.). Dahlgren Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Naval research categories.