Rossoll, A.Mortensen, A.2012-06-142012-06-142012-06-14201310.1016/j.scriptamat.2012.05.048https://infoscience.epfl.ch/handle/20.500.14299/81848WOS:000311259100011Using a simple beam element, this study estimates the elastic stiffness of two isotropic open-cell foam architectures that approximate, respectively, the space between tightly packed fluid bubbles and that defined between densified solid particles, and finds little difference between the two microstructures above a relative density of a few per cent. (c) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.Foam porous material mechanical propertiesElastic behaviorMicromechanical modelingFinite element analysis architecturetext::journal::journal article::research article