of Rotorcraft Aerodynamics and Dynamics

257 Pages·2013·5.48 MB·English

NASA Technical Memorandum 81184 AV ADCOM TtThnical Report 80-A-7
ADA090289
A Comprehensive Analytical Model
of Rotorcraft Aerodynamics and
Dynamics
Part III:Program Manual,
,i_
,W ayne Johnson
June1980
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C-,
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!# United States Army
NA A
.Aviation Research
National Aeronautics and and Development
U ;
Cu.8S pace Administration Command
DISCLAIMER NOTICE
THIS DOCUMENT IS BEST QUALITY
PRACTICABLE. THE COPY FURNISHED
TO DTIC, CONTAINED A SIGNIFICANT
NUMBER OF PAGES WHICH DO NOT
REPRODUCE LEGIBLY.
NASA Technical Memorandum 81184 AVRADCOM Technical Report 80-A-7
A Comprehensive Analytical Model
of Rotorcraft Aerodynamics and
Dynamics
Part Ill: Program Manual
Wayne Johnson, Aeromechanics Laboratory
AV RADCOM Research and Technology Laboratories
Ames Research Center, Moffett Field, California
NASA
National Aeronautics and United States Army
Space Administration Aviation Research and
Ames Research Center Development Command
Moffett Field, California 94035 St Louis, Missouri 63166
F
CONTENTS
page
1Common. Bloc k Contents
TMDATA 2
S1 DATA4
7
WI1DATA
8
GI1DATA
BDDATA9
BA DATA 11
ENDATA 12
13
LiDATA
14
LADATA
CDATA 15
16
TNDATA
STDATA 17
18
FLDATA
A1TABL 20
21
CASECM
22
UNITNO
TRIMCM 23
24
RTRICM
260
RH1CM
BGDYOM 2?
29
ENGINOM
30
GUSTOM
CONTOM C"31
32
CONVJCM
MDICM
-33k35
INC1CM
-- 37
WKV1CM
MNH1CM 38
39
AES1CM
Il 40
MNRICM
MNSCM41
AEFICM 42
qLlUM 43
4
QBDCM
WG1CM 46
-- 4
WKC1CM
47
AEMNOM
48
LDM~NCM
49
F1L4CM
FLM1M 50
51
FLMACM
FLINOM 52
53
FLAECM
55
STDCM
56
STMCM
57
TRANCM
2. Subprogram Function and Communication pa5g8e
MAIN 59
TIMER
60
INPTN
61
INPTO
62
INPTA1
63
INPTRI
64
INPilI
65
INPTB
66
INPTLI
67
INPTF
68
INP'S
69
INPTT
70
INPTG
71
INPTU
72
INPTV
73
FILEI
74
FILEJ
75
FILER
76
FILEF
77
FILES
78
FILET 79
FILEE
80
INIT
81
INITA
82
INITC
83
INITRI
85
INITB
88
INITE
90
CHEKR1
91
PRNTJ
92
PRNTC
93
PRNT
95
PRNTRI
96
PR NTW 1
97
PHNTB
98
PRNTF
99
PRNTS
100
PRNTT
101
PRNTG
102
TRIM
103
TRIMI
104
TRIMP
107
FLUT
109
FLUTM
I0
FLUTB
114
FLUTR i
115
FLUTIl
117
FLUTAI
118
FLUTL
120
-iv-
page
STAB 121
STABM
122
STABD
124
STABE
125
STABL
126
STABP
127
TVAN
TRANI 129
131
T.A NP 133
135
TRA NC
136
CONTRL
13?
GT STU
138
GUSTC
139
PERF
142
PERFR I
LOAD
ilt
IA DR 1
145
LCADHI
ip8
LCASI
15C
LCADIJ
152
U ADi
154
1* \Dv
155
GEOM P1
156
I'LRPP
15A
HISTP}P
159
NOISR1
161
BESSEL,
163
P AMF 164
M(D El
166
M(, DEC I
167
MG DEB,
169
M' DEG
171
MC DEAl
172
MODETI
173
MC DEE 1 1?o 7
M(' DEDI
175
1NRTC1
176
MO DEPI
178
BODYC
180
ENGNC
182
MOTNC1
184
BCDYM1
186
ENGNM 1
187
WAKEU1
188
WAKEN1
190
INRTM1
192
NTI
194
'(,TNH1
495
TC TNkI
196
M( ,'Bl1
198
-.-- V -
AERC F1 page
AE ROS 1 199
202
AEROT1
204
BCDYVj
MENOGTRNVF l I 22o165
BMOCW TDN S 220078
BO DYA 209
211
WAKECI
212
WAKEBI
VTXL 215
216
VETXCSM EI 21?
CEOMR 1 218
GE-OW1 219
MINV 220
MNVC 221
EIGENJ 222
DERED 223
Q$ TRA N 224
CSYSAN 225
DETRAN 226
SINE 228
STATIC 229
ZERO 230
ZETRAN 231
BODE 232
BODEPP 233
-9ACKS 234
TRCKPP 235
GUSTS 23?
PSYSAN 238
DEPRA N 240
MAINTB 242
AER'T 243
AERCPP 245
245
3. Computer System Subprograms
246
4. Core Requirements
247
-vi-
i,-
A COMPREHENSIVE ANALYTICAL MODEL OF
ROTORCRAFT AERODYNAMICS AND DYNAMICS
Part III: Program Manual
Wayne Johnson
Ames Research Center
and
Aeromechanics Laboratory
AVRADCOM Research and Technology Laboratories
'SUMMARY
The computer program for a comprehensive analytical model
cf rotorcraft aerodynamics and dynamics is described. This
analysis is designed to calculate rotor performance, loads, and
noise; the helicopter vibration and gust response; the flight
dynamics and handling qualities; and the system aeroelastic stability.
The analysis is a combination of structural, inertial, and
aerodynamic models, that is applicable to a wide range of problems
and a wide class of vehicles. The analysis is intended for use in
the design, testing, and evaluation of rotors an& rotorcraft, and
to be a basis for further development of rotary wing theories.
This report documents the computer program that implements the
analysis.
-vii-
1. COMMON BLOCK CONTENTS
This section describes the contents of the common blocks used
by the program. Each description begins with the common block label.
The total length of the block is given in parentheses after the label.
Then all variables in the block are listed, The left-hand column gives
the variable name, and the right-hand column gives the location cf the
variable in the common block. Finally, a description of the variable is
provided (except for variables in blocks with labels of the form xxDATA,
which are input parameters). Only the common blocks for rotor #i are
described; the common blocks for rotor #2 have an identical structure.
U
-1-
A- -- - - - - -+ 'f~l~ . .. -- l+
!..
TMDATA(182)
FILEID(4) input file identification (alphanumeric date I
and time; BLOCK DATA if innut file is neither
read nor written)
TITLE( 20) 5
CODE 25
ANTYPE(3) 26
OPREAD(10) 29
NPRNTI 39
DEBUG(25) 40
OPUNIT 65
NROPIOh 66
ALT4SL 67
TEMP 68
VKTS 69
VEL 70
VTIP 71
RPM 72
OPGRND 73
HAGL 74
OPENGN 75
AFLAP 76
MPSI 77
DENSE 78
OPDENS 79
COLL 80
LATCYC 81
LNGCYC 82
PEDAL 83
APITCH 84
AROLL 85
ACLIMB 86
AYAW 87
RTURN 88
MPSIR 89
P1 sV 90
ITERM 91
EPMOTN 92
ITERC 93
EPCIRC 94
DOF(54) 95
DOFT(8) 149
LEVEL(2) 157
ITERU 159
ITERR 16o
ITERF 161
NPRNTT 162
NPRNTP 163
NPRNTL 164
-2-