An Analysis of influence of SMA material on dynamic properties of a spring taking into account constructional friction

• Autorzy: Gałkowski Z.
• Konferencja: 8th Workshop of the Polish Society of Computer Simulation (30.08-1.09.2001, Gdańsk-Sobieszewo, Poland)
• Języki publikacji: EN

Abstrakty

EN

In this paper, an analysis of forced transverse harmonic vibration with constant changes of the exciting force in a dynamic system consisting of two beams is presented together with a model of a leaf spring. In this junction both beams are made of shape memory material (SMA). The constructional friction is also taken into account. For the purpose of the analysis an equivalent linearization of the elasticity-damping features of the beams was conducted. As an effect of linearization a junction was acquired with both stiffness of elements and viscosity damping. The obtained differential equations were solved using the asymptotic Bogolubov-Krylov-Mitropolski method. The results of the conducted simulation are presented on graphs, showing the influence of unitary pressure on the system's damping properties.

Słowa kluczowe

EN

control; SMA; constructional friction; connection; linearization

• Wydawca: Politechnika Gdańska
• Czasopismo: TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk
• Rocznik: 2002
• Tom: Vol. 6, No 3
• Strony: 351--361
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Gałkowski Z.

• Institute of Machine Design Fundamentals, Warsaw University of Technology, Narbutta 84, 02-524 Warsaw, Poland

Bibliografia

• [1] Osiński Z 1979 Damping of Mechanical Vibrations, PWN, Warsaw (in Polish)
• [2] Bojarski Z and Morawiec H 1989 Shape Memory Alloys, PWN, Warsaw (in Polish)
• [3] Skup Z 1976 The Analysis of Torsional Damper under Non Uniform Distribution Pressure with Structural Friction, PhD Thesis, Warsaw University of Technology (in Polish)
• [4] Kosior A 1999 The 4th Franch-Polish Seminar on Modelling and Simulation of Physical Systems and Technical Structures’99, MET, Warsaw, Poland, pp. 94-101 (in Polish)
• [5] Gałkowski Z 1996 Scientific Bulletin of Technical University of Rzeszów, Mechanics 151 (48) II 237 (in Polish)
• [6] Gałkowski Z 1992 Reports of Institute of Machine Design Fundamentals (18) 33 (in Polish)
• [7] Kosior A, Osiński Z and Wróbel J 1992 Machine Dynamics Problems 3 21
• [8] Mitropolski Yu A 1971 Asympthotic Methods in Non-linear Vibrations Theory, Izdat. Nauka, Moscow (in Russian)