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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Informatikos inžinerija / Informatics engineering (T007)
Author(s): Kibirkštis, Edmundas;Kabelkaitė, Asta;Dabkevičius, Artūras;Ragulskis, Liutauras
Title: Investigation of vibrations of packaging materials
Is part of: Journal of vibroengineering. Vilnius : Vibromechanika, 2008, Vol. 10, no. 2
Extent: p. 225-235
Date: 2008
Keywords: Visco-elasticity;Stress strain law;Modal equations;Numerical integration;Finite elements;Polymeric film;Paper;Plane stress;Principal stresses;Vibrations;Eigenmode;Plate;Experimental setup;Stress measurement;Projection moire
Abstract: The stress strain law on the basis of the model of a visco-elastic body is proposed. Procedure for numerical integration of equations of motion is developed. Results of numerical calculations of vibrations of a visco-elastic structure are presented. It is assumed that a paper in a printing device is loaded in its plane and thus a problem of plane stress is analyzed. The principal stresses are calculated and represented at the centers of finite elements. They substantially determine the vibration behavior and stability of the polymeric film. The first eigenmodes are presented for a paper performing transverse vibrations as a plate having additional stiffness due to static tension in its plane. Stresses in the polymeric film in the transverse and longitudinal direction of transportation of the tape were determined by using experimental methods for the symmetric and non-symmetric loads. For the investigation of the eigenmodes a special experimental setup was used in which the eigenmodes of the paper tape were determined by using the method of projection moire under the action of vibrations to the tape of paper for the symmetric load. Comparison of the experimental and numerical results of investigation was performed
Affiliation(s): Kauno technologijos universitetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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