Methods of Identification of Definite Degenerated and Nonlinear Dynamic System Using Specially Programmed Nonharmonic Enforce

Author:

Bocian Miroslaw1,Jamroziak Krzysztof1,Kosobudzki Mariusz2,Kulisiewicz Maciej3

Affiliation:

1. Department of Mechanics, Materials Science and Engineering, Wroclaw University of Science and Technology, Smoluchowskiego 25, Wroclaw 50-370, Poland e-mail:

2. General Tadeusz Kosciuszko Military Academy of Land Forces, Czajkowskiego 109, Wroclaw 51-150, Poland e-mail:

3. Faculty of Technology and Engineering, Wroclaw University of Science and Technology, Armii Krajowej 78, Walbrzych 58-302, Poland e-mail:

Abstract

The paper presents the new way of identification of complex nonlinear dynamic systems. The method has been explained with the use of a dynamic structure (degenerated one) with 1.5 degrees-of-freedom and some nonlinear restitution force. The applied method allows for the assessment of the dynamic behavior of material in a wide range of dynamic loads. The equation of energy balance when oscillations are set harmonic is applicable to the solution. It is possible when the loading force is adjustable. The method has been computer verified using a system with cubic spring characteristic.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

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