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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F00%3A22801011%21RIV06-GA0-43210___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
The problem of stress propagation in the steel bar which is supported by a wood block is studied. First of all the numerical simulation has been performed using of LS DYNA 3D finite element code. The wood has been taken as an orthotropic continuum . The face of the block which is in contact with the bar has been subsequently chosen to be normal to L,R and T . The main attention has been focused on the evaluation of the reflection coefficient of the stress pulse at the interface between the rod and the wood block. Six different woods has been considered. These coefficients have been compared with the coefficients determined for the two semi - infinite rods . The results of numerical computation have been strengthened by the experiment performed with the blocks made from spruce wood. The influence of the block geometry on the reflection coefficient has been also studied The problem of stress propagation in the steel bar which is supported by a wood block is studied. First of all the numerical simulation has been performed using of LS DYNA 3D finite element code. The wood has been taken as an orthotropic continuum . The face of the block which is in contact with the bar has been subsequently chosen to be normal to L,R and T . The main attention has been focused on the evaluation of the reflection coefficient of the stress pulse at the interface between the rod and the wood block. Six different woods has been considered. These coefficients have been compared with the coefficients determined for the two semi - infinite rods . The results of numerical computation have been strengthened by the experiment performed with the blocks made from spruce wood. The influence of the block geometry on the reflection coefficient has been also studied Bylo studováno šíření napěťové vlny v ocelové tyči podpírané dřevěným blokem. Nejdříve byla provedena numerická simulace problému pomocí LS DYNA 3D. Dřevo bylo uvažována jako ortotropní materiál. Čelo bloku, které bylo v kontaktu s tyčí bylo zvoleno tak, aby bylo kolmé k rovinám L, R a T. Hodnoceno bylo 6 různých druhů dřev. Koeficienty napěťového pulzu byly srovnány s koeficienty stanovenými pro polonekonečnou tyč. Numerické simulace byly podpořeny experimenty provedenými se smrkovým dřevem. Sledován byl také vliv geometrie bloku.
dcterms:title
Stress Wave Propagation in Wood Block Šíření napěťové vlny v dřevěném bloku Stress Wave Propagation in Wood Block
skos:prefLabel
Stress Wave Propagation in Wood Block Šíření napěťové vlny v dřevěném bloku Stress Wave Propagation in Wood Block
skos:notation
RIV/62156489:43210/00:22801011!RIV06-GA0-43210___
n3:strany
26;38
n3:aktivita
n4:Z n4:P
n3:aktivity
P(GA106/99/1703), Z(MSM 432100001)
n3:dodaniDat
n15:2006
n3:domaciTvurceVysledku
n6:3372766
n3:druhVysledku
n17:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
728000
n3:idVysledku
RIV/62156489:43210/00:22801011
n3:jazykVysledku
n18:eng
n3:klicovaSlova
stress propagation; wood
n3:klicoveSlovo
n14:stress%20propagation n14:wood
n3:kontrolniKodProRIV
[8BBF08F80BA2]
n3:mistoKonaniAkce
Friedrichshafen (Lake Constance)
n3:mistoVydani
Germany
n3:nazevZdroje
Proc.18. CAD -- FEM USER MEETING 2000
n3:obor
n19:JJ
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n20:GA106%2F99%2F1703
n3:rokUplatneniVysledku
n15:2000
n3:tvurceVysledku
Schwangmaier, Jarmil Buchar, Jaroslav Adamík, Vladislav Stárek, Miroslav
n3:typAkce
n11:WRD
n3:zahajeniAkce
2000-09-20+02:00
n3:zamer
n16:MSM%20432100001
s:numberOfPages
13
n10:hasPublisher
Neuveden
n13:organizacniJednotka
43210