Abstract
A free vibration analysis is carried out on a discretized Fokker aircraft with an integrated bio-dynamic pilot model. It is an attempt to study the dynamic behavior of bio-dynamic pilot model, when the vibration is induced in aircraft. The system is assumed to have an eleven degree-of-freedom including bouncing motion of tyres, fuselage, seating system and pilot’s head along with angular pitching and rolling of fuselage. A robust model is developed using both MatLab Simulink and MSC Adams. System parameters are borrowed from the earlier reported literature of the present authors. Simulation is carried out for various initial input conditions. Responses of fuselage and pilot’s head are reported for initial displacement considered at nose landing tyre. Natural frequencies of the system are generated and compared with earlier reported results. A good agreement is noticed among the results obtained via all the three of analysis approaches.
Highlights
Innovation of aircraft is a major breakthrough in the modern world
To make earlier predictions and improvise decision making in tackling the unwanted vibrations, it is necessary to understand the dynamic behavior of aircraft and pilot systems
Gowtham et al [7] developed a mathematical model of eleven DOF discretized aircraft with an integrated bio-dynamic pilot model
Summary
Innovation of aircraft is a major breakthrough in the modern world. The network of aircrafts connects distant destinations very fast and safe, which makes it an important transportation industry. Phalke and Mitra [2] developed a MatLab Simulink model representing two DOF quarter-car system to investigate the dynamic response of vehicles under road induced vibrations. Sharma et al [3] developed ten DOF full-car model with integration of primary and cabin suspension in the Simulink environment to investigate the effect of cabin suspension on the ride comfort over primary suspension system. DYNAMIC ANALYSIS OF A DISCRETIZED AIRCRAFT WITH AN INTEGRATED BIO-DYNAMIC PILOT MODEL USING SIMULINK AND MSC ADAMS. Gowtham et al [7] developed a mathematical model of eleven DOF discretized aircraft with an integrated bio-dynamic pilot model. The present work is the extension of [7], in developing a simulation models using MatLab Simulink and MSC Adams. A good agreement is noticed among the results obtained via all the three approaches
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