Analysis of Inertia Effect on a Three Point Bend Specimen Loaded by the Hopkinson Pressure Bar
In the paper, the inertia effect was analyzed using dynamic finite element method to a three point specimen loaded by the Hopkinson pressure bar. The schematic diagram of the experimental apparatus is shown in Fig. 1. The nominal load (the external load) applied on the specimen was measured by the strain gauges mounted at the center of the Hopkinson pressure bar; the crack initiation time was determined using strain gauge method.