Abstract
In this paper, compression performance of composite stiffened panels after bolted repair and scarfed bonded repair is presented. Several tests have been performed on the four kinds of stiffened panels. All the experiments show the influences of different damage actions, different repair methods for the mechanical properties of stiffened panels are different. Furthermore, numerical finite element models have been developed and solved using the software ABAQUS. In addition, stiffener-skin debonding was considered in the finite element models in order to ensure a better consistence with the fact. The comparison of simulation results and experiment shows that the finite element modeling method is effective. The result suggests that the failure load and the stiffness of the repaired stiffened panel are recovered close to the virgin ones’.
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