000014864 001__ 14864
000014864 005__ 20161115100204.0
000014864 04107 $$aeng
000014864 046__ $$k2016-08-21
000014864 100__ $$aSchrefler, Bernhard
000014864 24500 $$aShear and mixed mode fracture in disordered saturated porous media

000014864 24630 $$n24.$$p24th International Congress of Theoretical and Applied Mechanics - Book of Papers
000014864 260__ $$bInternational Union of Theoretical and Applied Mechanics, 2016
000014864 506__ $$arestricted
000014864 520__ $$2eng$$aWe investigate shear fracture and mixed mode fracture in inhomogeneous fully saturated porous media with a 2D central force lattice model. For this purpose we adopt the extended Biot’s theory. The bars of the lattice break only under traction. This breaking process is simulated with a continuous damage model where after a partial failure event spring elements get a new failure threshold sampled from a uniform distribution. We investigate avalanche behaviour of the breaking events as well as the pressure evolution and the existence of pressure jumps linked to the breaking events in the disordered medium. It is found that the behaviour under pure shear loading is brittle while under mixed mode loading overall elasto-plastic behaviour is recovered as was previously observed under biaxial tension loading.

000014864 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000014864 653__ $$a

000014864 7112_ $$a24th International Congress of Theoretical and Applied Mechanics$$cMontreal (CA)$$d2016-08-21 / 2016-08-26$$gICTAM2016
000014864 720__ $$aSchrefler, Bernhard
000014864 8560_ $$ffischerc@itam.cas.cz
000014864 8564_ $$s130430$$uhttps://invenio.itam.cas.cz/record/14864/files/TS.FS05-3.02.pdf$$yOriginal version of the author's contribution as presented on CD,  page 3200, code TS.FS05-3.02
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000014864 962__ $$r13812
000014864 980__ $$aPAPER