SOFTWARE DOCUMENTATION. VOLUME 2: NATMOD VERSION 2.0

Authors
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN);Ballistech Systems Inc, St Hubert QUE (CAN)
Abstract
NATMOD is a software package which may be used to estimate the lateral and longitudinal natural frequencies and mode shapes of conventional aircraft. It makes use of aerodynamic data files generated by the program PREAER1. If desired, the linear results of NATMOD may be verified by non-linear response simulation using FLISIM. The current NATMOD version 2.0 is designed to be run in a MS-DOS environment. The source code is written in Microsoft FORTRAN Version 4.0, and the executable version of the program may be run on any PC-AT compatible computer with 80287 co-processor, hard disk, and a minimum of 640 kb RAM.
Report Number
BSI-TR-8801-3 — Contract Report; Technical Report; See also Volume 1 (DSIS 91-03945) and Volumes 3 to 5 (DSIS 91-03947 to 91-03949)
Date of publication
15 Sep 1989
Number of Pages
85
DSTKIM No
91-03946
CANDIS No
71135
Format(s):
Hardcopy;Originator's fiche received by DSIS

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