Abstract
The paper proposes a simulation model of avalanche snow mass movement based on the particle dynamics method. The total volume of snow mass is broken down into separate elements which can be either interconnected by certain forces or move independently of each other subject to prehistory. For the purposes of consistency of primary mechanical properties of snow mass, the interaction of its elements is commonly supposed to be viscoelastic. Viscoelastic interaction of snow mass elements makes it possible to take into account, while modeling, the ability of snow mass to disintegrate. A computer program was written in Object Pascal language in Borland Delphi 7.0 integrated programming environment to run multiple computer experiments with the model with the subsequent studying of the impact of primary physical and mechanical properties of snow mass on intensity of its down-slope movement. The model was verified by comparing of computer calculations of avalanche pressure and experimental data. The model curve agrees well with the experimental curve. The average model-experiment variation is approximately 7%.
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