SUGAR PRICE BEHAVIOR AND PRICE RELATIONSHIPS AT THE MARKET LEVEL BEFORE AND DURING COVID-19 PANDEMIC


Investigation into stress wave propagation in metal foams

The aim of this study is to investigate stress wave propagation in metal foams under high-speed impact loading.Three-dimensional Voronoi model is established to represent real closed-cell foam.Based on the one-dimensional stress wave theory and Voronoi model, a numerical Front End Cover model is developed to calculate the velocity of elastic wave a

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