Swelling is a common phenomenon in both biological media, geomaterials and synthetic materials. It is often associated with ionized molecules that attract counterions that in turn attract water through osmosis. The ionised molecules are clay platelets in shale and proteoglycans in biological tissues. Since antiquity, diagnosis of disease has been done partly through observation of swelling of tissues. Swelling is often linked to fracture. This lecture will highlight the present understanding of the phenomenon and numerical simulations performed on finite swelling of ionised porous media as well as the interface conditions along fluid boundaries. The inclusion of fracture propagation is done though a new XFEM-technique particularly suitable of hydraulic fracturing problems. Results from experiments and computational mechanics will be presented and compared.

Recording of the presentation

Location: San Servolo Complex.
Date: 18 - 20 May 2015, San Servo Island, Venice, Italy.

General Information

External Links


[1] C. Yu, J. M.Huyghe , K. Malakpoor, “2D mixed hybrid FEM of Lanir model”, Procedia IUTAM, in press.

[2] E. W. Remij, J.J.C. Remmers, F. Pizzocolo, D.M.J. Smeulders, J.M. Huyghe, “Partition of unity based model for crack nucleation and propagation in orthotropic porous media” Transport in porous media, in press.

[3] F. Pizzocolo, J.M. Huyghe, K. Ito, “Mode I crack propagation in hydrogels is step wise. Engineering Fracture Mechanics“, 97, 72-79 (2013).

[4] H.-J. Wilke , M. van Rijsbergen , K. Ito , J.M. Huyghe , M. Brayda-Bruno , F. Galbusera “Ageing and degenerative changes of the intervertebral disc and their impact on spinal flexibility” . Eur. Spine J. 23 (S3) : S324-S332 (2014).

[5] F. Irzal, J.J.C. Remmers, J.M. Huyghe, R. De Borst, “A large deformation formulation for fluid flow in a progressively fracturing porous material” . Computer Methods in Applied Mechanics 256, 29–37 (2013).

[6] D. Florea, S. Musa , J.M. Huyghe, H.M. Wyss “Long–range repulsion of colloids driven by ion– exchange and diffusiophoresis” . Proc Nat. Acad. Sci. USA,111(18): 6554-6559 (2014).

[7] A. P. G. Castro, W. Wilson, J.M. Huyghe, K.Ito , J.L. Alves “Intervertebral disc creep behaviour assessment through an open source finite element solver” . J Biomechanics 47, 297-301 (2014).

[8] F. Kraaijeveld , J.M. Huyghe , J.J.C. Remmers , R. de Borst “2D Mode I crack propagation in saturated ionized porous media using Partition of Unity Finite Elements” . J. Applied Mech. Trans. ASME, 80(2):020907 (2013).

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Published on 30/06/16

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