NASA/TM-2005-213547 An Engineering Solution for using Coarse Meshes in the Simulation of Delamination With Cohesive Zone Models Albert Turon University of Girona, Girona, Spain Carlos G. Dávila Langley Research Center, Hampton, Virginia Pedro P. Camanho University of Porto, Porto, Portugal Josep Costa University of Girona, Girona, Spain March 2005