Re: Re: extraction of strain energy release rates using cohesive zone modeling
| Newsgroups | gmane.comp.mathematics.abaqus.user |
|---|---|
| Organization | Institut fuer Werkstoffe TU Braunschweig |
| Message-ID | <alpine.DEB.2.20.1810091423240.29994@hopper> |
you can get energies and densities for elements with ELSE/ELSEDEN > Thank you. > But can we get the strain energy release rate at each nodal point like we > get in VCCT? I am doing a comparative study of two techniques, VCCT and > CZM of 3D composite DCB and a standard plate specimen . In VCCT i have > directly got the values of energy release rates in visualization tab with > field outputs ENERT and ENEER1,2 and 3 for each node. But when i call for > the same field output in CZM method the values of all energy release rates > are zero irrespective of the loads or displacements applied. So my question > is ,is there any way where we can get the values of energy release rate in > CZM similar to VCCT for each node? > > Please let me know as i am stuck with the extraction of energy release rate > results since a long time. > Thanks in advance. > > On Fri, Oct 5, 2018 at 4:24 PM Shreyas Joglekar [email protected] [Abaqus] < > [email protected]> wrote: > >> >> >> It should be the area under force displacement curve >> >> As you load the double cantilever beam, the force will increase, reach a >> peak, then degrade to zero. The degradation of cohesive surface from peak >> to zero will be dictated by the energy release rate value that you input. >> Abaqus will accurately show you the input energy release rate for pure mode >> I and pure mode II. It might deviate for in between mode mixities depending >> upon your modeling strategy. >> >> [image: image.png] >> >> -- >> Shreyas Joglekar >> >> [Non-text portions of this message have been removed] >> >> >> > Priv.-Doz. Dr. Martin Bäker Institut für Werkstoffe Technische Universität Braunschweig Langer Kamp 8 38106 Braunschweig Germany Tel.: 00-49-531-391-3065 Fax 00-49-531-391-3058 e-mail <[email protected]> http://www.tu-braunschweig.de/ifw/institut/mitarbeiter/baeker http://www.scienceblogs.de/hier-wohnen-drachen [Non-text portions of this message have been removed]