Description and Fortran simulation of MK 86 AA ballistics

260 Pages·2016·6.42 MB·English

by  Kidd Delbert Ray.

DESCRIPTION AND FORTRAN SIMULATION OF
MK 86 AA BALLISTICS
Delbert Ray Kidd
"^Postgraduate School^
93940
Monterey. Californ.a
A POSTGRADUATE S L
Monterey, California
T
DESCRIPTION AND FORTRAN SIMULATION
OF
MK86 AA BALLISTICS
by
Delbert Ray Kidd
Thesis Advisor: J. R. Ward
June 1973
T15A871
Appiov&d Ion. pubtic tizZzabz; dl&tAibuLtion imturiitiid.

FORTRAN
Description and
MK AA
Simulation of 86
Ballistics
by
Delbert Ray,.Kidd
Lieutenant, United States Navy
B.S. University of New Mexico, 1965
,
Submitted in partial fulfillment of the
requirements for the degree of
MASTER OF SCIENCE IN ELECTRICAL ENGINEERING
from the
NAVAL POSTGRADUATE SCHOOL
June 1973
Tt+
Library
Naval Postgraduate
S'
Monterey,
Calil
ABSTRACT
The GFCS MK86 solves the ballistics problem for the 5"/54
gun iteratively utilizing table look-ups. Each ballistics parameter
table is sub-divided two-dimensionally corresponding to selected
,
elevation and slant range intervals. The final vetlue for each para-
meter is found by interpolating between parameter values evaluated
at elevation angles which bracket the actual elevation angle.
This thesis describes the method of determining the ballistics
AA A
solution for cartesian ballistics. description of the ballistics
geometry and of the model utilized is presented, together with a
FORTRAN simulation of the 2viK86 computer program and a listing
of the ballistics tables used in this system.

TABLE OF CONTENTS
INTRODUCTION
I. 8
A. GENERAL DESCRIPTION 8
B. PROBLEM DESCRIPTION 8
SUMMARY
C. 9
II. INTRODUCTION TO MK 86 BALLISTICS 10
A. BALLISTICS SETUP 10
B. BALLISTICS ACQUISITION 11
C. DETERMINATION OF POINT 2 11
D. CALCULATION OF POINTS 21 AND 22 12
E. BALLISTICS ITERATION 12
F. CLOSURE TESTS 13
G. BALLISTICS OUTPUT 13
BALLISTICS EFFECTS MODELING
III. 19
A. CATEGORY-ONE PARAMETERS 19
CATEGORY- TWO PARAMETERS
B. 21
C. CATEGORY- THREE PARAMETERS 21
IV. THE BALLISTICS TABLES 23
A. MK 86 MACHINE LANGUAGE TABLES 23
B. BALLISTICS TABLES IN THE FORTRAN
SIMULATION
24