Identyfikatory
Warianty tytułu
Języki publikacji
Abstrakty
A dynamic model of a truss telecommunication tower was developed. A viscoelastic absorber was proposed for reducing structural vibrations caused by wind. Small linear system vibrations were assumed. A finite element three-dimensional model was used to determine the damper viscoelastic parameters which guarantee the highest damping effectiveness. Simulation results indicate that a damper can reduce the amplitude of tower vibrations by half and produce a similar reduction in forces acting upon the most loaded members of the structure.
Słowa kluczowe
Rocznik
Tom
Strony
249--258
Opis fizyczny
Bibliogr. 13 poz., rys., tab., wykr.
Twórcy
autor
- Department of Mechanical Engineering and Fundamentals of Machine Design, University of Warmia and Mazury in Olsztyn
autor
- Department of Construction, Maintenance of Vehicles and Machines, University of Warmia and Mazury in Olsztyn
Bibliografia
- ADAMS V., ASKENAZI A. 1999. Building Better Products with Finite Element Analysis. OnWord Press, Santa Fe.
- ALBERMANI F., KITIPORNCHAI S., CHAN R.W.K. 2009. Failure analysis of transmission towers. Engineering Failure Analysis, 16: 1922-1928.
- BARLE J., GRUBISIC V., RADICA D. 2010. Service strength validation of wind-sensitive structures, including fatigue life evaluation. Engineering Structures, 32: 2767-2775.
- DA SILVA J.G.S., VELLASCO P.C.G.D.S., DE ANDRADE S.A.L., DE OLIVEIRA M.I.R. 2005. Structural assessment of current steel design models for transmission and telecommunication towers. Journal of Constructional Steel Research, 61: 1108-34.
- DEN HARTOG J.P. 1956. Mechanical vibrations. McGraw-Hill, New York.
- HOLMES J.D. 2007. Wind Loading of Structures. Tylor & Francis, London.
- JONES G.A., LAYER D.H., OSENKOWSKY T.G. 2007. National Association of Broadcasters Engineering Handbook (10th Edition). Focal Press, USA.
- ŁATAS W., MARTYNOWICZ P. 2012. Modelling vibration of wind turbine tower-nacelle assembly with a tuned mass damper. Modelowanie Inżynierskie, 44: 187-198.
- PELC J. 2012. A strategy for automatic elimination of mechanical instability in structural analysis of spatial truss tower model. Technical Sciences, 15: 319-330
- QU W.L., CHEN Z.H., XU Y.L. 2001. Dynamic analysis of wind-excited truss tower with friction dampers. Computers and Structures, 79: 2817-2831.
- RAKOWSKI G., KACPRZYK Z. 2005. Finite element method in structural mechanics. Oficyna Wydawnicza Politechniki Warszawskiej, Warsaw.
- SHEA K., SMITH I.F.C. 2006. Improving full-scale transmission tower design through topology and shape optimisation. Journal of Structural Engineering, 132: 781-790.
- SULLINS E.J. 2006. Analysis of radio communication towers subjected to wind, ice and seismic loadings. MSc Thesis, University of Missouri-Columbia.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-e95ce077-7efe-47e7-bd5e-dff6b0b68228