A pressure dependent cookoff model for PBX 9501 was developed by Hobbs ' et al. [1]. This cookoff model was implemented in the finite element (FE) heat transfer code Aria [2] and was used to simulate a set of cookoff experiments. This set is called the Large Scale Annular Cookoff (LSAC) experiments [3] . Three dimensional and axisymmetric heat conduction FE models were implemented to simulate these experiments. The predictive ability of the PBX 9501 pressure dependent cookoff model was

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... using Latin Hypercube sampling (LHS). Predictions of the thermal times to ignition and temperatures are compared with the experiments.