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J. Murín¹, V. Goga¹, M. Aminbaghai², J. Hrabovský¹, T. Sedlár¹, V. Kutiš¹ and J. Paulech¹

¹Department of Applied Mechanics and Mechatronics, Institute of Automotive Mechatronics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Slovakia
²Institute for Mechanics of Materials and Structure, Vienna University of Technology, Austria

doi:10.4203/ccp.108.210

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, "Warping Free Vibration of Thin Walled Beams: Experimental Verification and Modelling", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 210, 2015. doi:10.4203/ccp.108.210

Keywords: nonuniform torsion, warping free vibration, hollow section beams, experimental verification, modelling and simulation..

Summary

In this paper the results of the experimental measurement of the torsional free vibration of hollow cross-section beams are presented. The experimental results are compared with those obtained by the proposed semi analytical method and finite element calculations by means of a standard commercial code. In the finite element calculations the beam and solid finite elements are used. In the semi-analytical calculations our new approach is used that is based on the analogy between the second order beam theory and the nonuniform torsion with consideration of the secondary torsion moment deformation effect (STMDE). The effects of inclusion of warping and secondary torsion moment and hollow cross-section beam geometry on the torsional eigenfrequencies and eigenforms are studied and evaluated. The agreement of the measured and calculated eigenfrequencies is evaluated and discussed.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 210 Warping Free Vibration of Thin Walled Beams: Experimental Verification and Modelling J. Murín¹, V. Goga¹, M. Aminbaghai², J. Hrabovský¹, T. Sedlár¹, V. Kutiš¹ and J. Paulech¹ ¹Department of Applied Mechanics and Mechatronics, Institute of Automotive Mechatronics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Slovakia ²Institute for Mechanics of Materials and Structure, Vienna University of Technology, Austria doi:10.4203/ccp.108.210 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Warping Free Vibration of Thin Walled Beams: Experimental Verification and Modelling", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 210, 2015. doi:10.4203/ccp.108.210 Keywords: nonuniform torsion, warping free vibration, hollow section beams, experimental verification, modelling and simulation.. Summary In this paper the results of the experimental measurement of the torsional free vibration of hollow cross-section beams are presented. The experimental results are compared with those obtained by the proposed semi analytical method and finite element calculations by means of a standard commercial code. In the finite element calculations the beam and solid finite elements are used. In the semi-analytical calculations our new approach is used that is based on the analogy between the second order beam theory and the nonuniform torsion with consideration of the secondary torsion moment deformation effect (STMDE). The effects of inclusion of warping and secondary torsion moment and hollow cross-section beam geometry on the torsional eigenfrequencies and eigenforms are studied and evaluated. The agreement of the measured and calculated eigenfrequencies is evaluated and discussed. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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