foams – Mechanics of Polymers

Impact of microstructure in the mechanical behavior of soft foams

July 29, 2026 by admin

Following our previous investigation of the beahvior of hyperelastic classic Voronoi closed-cell foams submitted to severe compression, we have extended the study to assess the influence of microstructure on the mechanical response of highly porous foams. To this end, two additional classes of microstructures were generated: mechanically grown Voronoi (M-Voro) closed-cell foams and open-cell foams...

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foams Polymer soft polymers viscoelasticity

F.E. simulations of closed-cells foams under extreme compression

January 26, 2026 by admin

The mechanical response of isotropic elastomeric closed-cell foams with Classical Voronoi microstructures is examined through three-dimensional finite element simulations. The study focuses on finite-strain uniaxial compression, complemented by infinitesimal-strain shear and hydrostatic loading. Random foam geometries with porosities between 77% and 95% and narrow pore-size distributions were generated by subtracting irregular Voronoi polyhedra, constructed from...

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finite element foams Polymer Porous materials soft polymers