The GEMM database addresses one of the key challenges of DEM simulation: getting suitable material inputs for accurate representation of bulk materials. The GEMM database contains thousands of material models representing a wide range of materials such as rocks, soils and ores and is particularly suited for engineers in the mining, construction and agriculture industries who design heavy equipment handling such materials. As real materials come in a variety of shapes and sizes, their flow characteristics can vary greatly and engineers are constantly challenged on how to ensure simulations show real material behavior. In order to make a material model, engineers need to provide a wide range of inputs, all of which impact on the material behavior. The traditional approach consists of trial and error and often a great deal of guesswork which can be very time consuming until engineers arrive at the set of parameters which best represents their material.

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