Summary
This paper proposes a three-dimensional thermodynamically controlled damage model for a wide class of quasi-brittle materials, the modelling strategy being a continuation of the earlier work, [12–15]. The purpose is to keep an existing modular structure and to introduce new features to its framework. These are: (i) a thrifty insertion of initial orthotropy, (ii) the absence of irreversible strain after loading/unloading cycles (in opposition to rock-like materials described by the initial model) and especially (iii) the competition between initial orthotropy and anisotropy induced by mesocrack growth. The proposed innovation consists in adding second-order fabric tensors in conjunction with a damage tensor in the expression of the thermodynamic potential. Experimental data for a test composite material are simulated by this approach.
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Received 9 October 2001; accepted for publication 13 May 2002
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Halm, D., Dragon, A. & Charles, Y. A modular damage model for quasi-brittle solids – interaction between initial and induced anisotropy. Archive of Applied Mechanics 72, 498–510 (2002). https://doi.org/10.1007/s00419-002-0226-9
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DOI: https://doi.org/10.1007/s00419-002-0226-9