DATCOM USAF PDF

Digital DATCOM requires an input file containing a geometric description of an aircraft, and outputs its corresponding dimensionless stability derivatives according to the specified flight conditions. The values obtained can be used to calculate meaningful aspects of flight dynamics. The report consists of. A maximum of Mach-altitude combinations can be run at once, with up to 20 angles of attack for each combination. The user can specify whether the Mach number and altitude varies together, the Mach number varies at a constant altitude, or the altitude varies at a constant Mach number.

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National Technical Reports Library. Session Timeout. Your session has time out. Volume I. Users Manual. Page Count Abstract This report describes a digital computer program that calculates static stability, high lift and control, and dynamic derivative characteristics using the methods contained in the USAF Stability and Control Datcom revised April Configuration geometry, attitude, and Mach range capabilities are consistent with those accommodated by the Datcom. The program contains a trim option that computes control deflections and aerodynamic increments for vehicle trim at subsonic Mach numbers.

Volume I is the user's manual and presents program capabilities, input and output characteristics, and example problems. The primary deviations from standard Fortran are Namelist input and certain statements required by the CDC compilers. Core requirements have been minimized by data packing and the use of overlays. User oriented features of the program include minimized input requirements, input error analysis, and various options for application flexibility.

This report describes a digital computer program that calculates static stability, high lift and control, and dynamic derivative characteristics using the methods contained in the USAF Stability and Control Datcom revised April Corporate Authors.

McDonnell Douglas Astronautics Co. Louis, MO. Supplemental Notes. Supersedes Rept. See also Volume 2, AD-A Publication Date. Personal Author. Williams, J. Page Count. Source Agency. Document Type. Technical Report. Title Note. Final rept. Aug Nov Contract Number.

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Importing from USAF Digital DATCOM Files

The United States Air Force Stability and Control DATCOM is a collection, correlation, codification, and recording of best knowledge, opinion, and judgment in the area of aerodynamic stability and control prediction methods. It presents substantiated techniques for use 1 early in the design or concept study phase, 2 to evaluate changes resulting from proposed engineering fixes, and 3 as a training on crosstraining aid. It bridges the gap between theory and practice by including a combination of pertinent discussion and proven practical methods. For any given configuration and flight condition, a complete set of stability and control derivatives can be determined without resort to outside information. A spectrum of methods is presented, ranging from very simple and easily applied techniques to quite accurate and thorough procedures. Comparatively simple methods are presented in complete form, while the more complex methods are often handled by reference to separate treatments.

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USAF Stability and Control DATCOM

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