Documentation of Helicopter Aeroelastic Stability Analysis Computer Program (HASTA)

This report is the documentation manual for the computer program Helicopter Aeroelastic Stability Analysis (HASTA) developed under Army Contract Number DAAJ02-76-C-0032. The HASTA program predicts the air resonance behavior of coupled rotor/helicopter Support structure) systems including rotor drive...

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Bibliographic Details
Main Author: Sutton, Lawrence R
Format: Report
Language:English
Subjects:
AERODYNAMIC STABILITY
AEROELASTICITY
COMPUTER PROGRAM DOCUMENTATION
Computer Programming and Software
COMPUTER PROGRAMS
COMPUTERIZED SIMULATION
CONTROL SYSTEMS
DRIVE SHAFTS
Fluid Mechanics
HASTA COMPUTER PROGRAM
HELICOPTER ROTORS
Helicopters
INPUT OUTPUT PROCESSING
MATHEMATICAL MODELS
MATRICES(MATHEMATICS)
PE62209A
RESONANCE
TAIL HELICOPTER ROTORS
TRANSMISSIONS(MECHANICAL)
VIBRATION
WU155EK
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Summary:This report is the documentation manual for the computer program Helicopter Aeroelastic Stability Analysis (HASTA) developed under Army Contract Number DAAJ02-76-C-0032. The HASTA program predicts the air resonance behavior of coupled rotor/helicopter Support structure) systems including rotor drive shaft torsional flexibility, anisotropic gearbox support flexibility, and control system anisotropic flexibility. The consideration of rigid, articulated, gimballed, teetering, flexstrap, and bearingless rotor systems is allowed. This manual contains: a description of the method of solution, a list of program variables, a discussion of the equations, a listing of the program, instructions on the use of the program, sample input and output listing, and additional information pertaining to the computer program.