Modelling of damping force of dynamically loaded specimen of polyurethane foam in dependence on its density

Issue title: International Conference on Structural Engineering Dynamics – ICEDyn 2009

Article type: Research Article

Authors: Cirkl, David

Affiliations: Technical University of Liberec, Department of Mechanical Engineering, Studentska 2, Liberec 460 01, Czech Republic

Note: [] Corresponding author. E-mail: [email protected]

Abstract: Article deals with measurement and modelling of damping force of polyurethane foam specimen being compressed. The specimens were taken from car seats and differ by material density. For modelling of damping force during harmonical kinematical excitation the explicit formula is used. Its parameters are found by means of method based on evaluation of energy dissipated during one loading cycle and also on evaluation of position of damping force extreme.

Keywords: Passengers comfort, car seat, polyurethane foam, damping force

DOI: 10.3233/SAV-2010-0533

Journal: Shock and Vibration, vol. 17, no. 4-5, pp. 373-381, 2010