[I-163] A study on the impact behavior of concrete slabs by SPH analysis
キーワード：RC slab, SPH analysis, perforation, high-velocity impact
In recent years, to prevent serious damage from natural disasters, the demand for protecting structures against the collision of flying objects is recognized in Japan. For existing studies, the perforation limit of a concrete slab has been examined by small scale experiments. Numerical analysis is a powerful alternative to study impact phenomena in term of scale and cost. In this study, SPH method is used to express the local failure of concrete, and the effect of smoothing length and erosion limit to perforation process is discussed through the analysis results.
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