Počet záznamů: 1
FE assessment of an experiment employed for analysis of the transient stress energy flux trough spiral slots in axially impacted cylindrical tube
- 1.
SYSNO ASEP 0338871 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Ostatní články Název FE assessment of an experiment employed for analysis of the transient stress energy flux trough spiral slots in axially impacted cylindrical tube Tvůrce(i) Okrouhlík, Miloslav (UT-L) RID
Pták, Svatopluk (UT-L) RID
Lundberg, B. (SE)
Valdek, U. (SE)Zdroj.dok. Strojnický časopis - ISSN 0039-2472
Roč. 60, č. 4 (2009), s. 181-209Poč.str. 29 s. Jazyk dok. eng - angličtina Země vyd. SK - Slovensko Klíč. slova energy flux ; stress wave propagation ; experiment Vědní obor RIV BI - Akustika a kmity CEP GA106/08/0403 GA ČR - Grantová agentura ČR CEZ AV0Z20760514 - UT-L (2005-2011) Anotace The temporal and spatial distribution of the stress wave energy flux in an axially impacted cylindrical tube, whose middle part contains four spiral slots, is studied experimentally and numerically. The high-speed recording of transient surface strains was used in the experiment, while the 3D finite element treatment was employed for the numerical analysis. The aim of the paper is to ascertain how reliable is the energy assessment based on transient recordings of surface strains and on subsequent 1D wave theory reasoning. The presented paper quantitatively determines how much of the impact energy, which is predominantly of axial (longitudinal) nature, is transferred into torsional (or shear) energy mode as well as to other energy modes not seen by the experiment. Pracoviště Ústav termomechaniky Kontakt Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Rok sběru 2010
Počet záznamů: 1