26th Congress of International Council of the Aeronautical Sciences
including the 8th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference
14 - 19 September 2008, Anchorage, Alaska, USA
Paper ICAS 2008-7.1.3

A MULTI-SCALE “MORPHOLOGICAL APPROACH” FOR MODELING THE NON LINEAR BEHAVIOR OF PROPELLANT-LIKE MATERIALS

C. Nadot-Martin, S. Dartois, A. Dragon, A. Fanget*
ENSMA, France; *DGA, France

Keywords: non linear homenization, direct approach, morphology, interfacial defects

This study concerns a scale transition devoted to the prediction of the non linear behavior (finite strain viscoelasticity - damage by grain/matrix debonding) of energetic composites. It allows to follow damage history within the material. The estimates are compared to the finite element solution and to experimental results.

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