A dynamic elasto-plastic large displacement response analysis of the bottom floor of a generic vehicle hull model subjected to empirically obtained coupled blast and impact loads has been conducted using 3-D shell elements in the ADINA nonlinear dynamic finite-element analysis code. Although several simplifying assumptions are made regarding the structural model, material properties, and forcing functions, the investigation gives valuable insight into the nonlinear dynamic response behavior of a generic hull bottom floor to externally applied coupled blast and impact loads and provides an inexpensive method of evaluation of the structural integrity of modern vehicles subjected to spatially varying transient loads.

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