000013380 001__ 13380
000013380 005__ 20161114160338.0
000013380 04107 $$aeng
000013380 046__ $$k2009-06-22
000013380 100__ $$aManconi, E.
000013380 24500 $$aWave propagation in helically wire-reinforced pipes

000013380 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013380 260__ $$bNational Technical University of Athens, 2009
000013380 506__ $$arestricted
000013380 520__ $$2eng$$aNumerical prediction of wave characteristics of a helically wire–reinforced pipe is obtained using a Wave Finite Element method. The Wave Finite Element method combines analytical theory of wave propagation in periodic structures and conventional finite elements. The method takes advantage of commercial FE packages capability of modelling the dynamic behaviour of flexible pipes of arbitrary geometry, fluid and fluid–structure interaction. In this paper attention is focused on reinforced pipe constructions which consist of helically wound steel wire sandwiched in hard rubber material. The periodic properties of the system are exploited, resulting in a very low order FE model and very small computational cost. The method is described and illustrated by application to the pipe in vacuo and under internal pressure.

000013380 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013380 653__ $$awaves, dispersion curves, finite elements, helically reinforced pipe Abstract. Numerical prediction of wave characteristics of a helically wire–reinforced pipe is obtained using a Wave Finite Element method. The Wave Finite Element method combines analytical theory of wave propagation in periodic structures and conventional finite elements. The method takes advantage of commercial FE packages capability of modelling the dynamic behaviour of flexible pipes of arbitrary geometry, fluid and fluid–structure interaction. In this paper attention is focused on reinforced pipe constructions which consist of helically wound steel wire sandwiched in hard rubber material. The periodic properties of the system are exploited, resulting in a very low order FE model and very small computational cost. The method is described and illustrated by application to the pipe in vacuo and under internal pressure.

000013380 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013380 720__ $$aManconi, E.$$iMace B., R.$$iGarziera, R.
000013380 8560_ $$ffischerc@itam.cas.cz
000013380 8564_ $$s142492$$uhttps://invenio.itam.cas.cz/record/13380/files/CD561.pdf$$yOriginal version of the author's contribution as presented on CD, section: Acoustic and structural wave transmission in pipelines (MS).
000013380 962__ $$r13074
000013380 980__ $$aPAPER