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       The approach, one is able to model the evolution of arbitrary morphologies and complex microstructures without explicitly tracking the positions of interfaces. This is particularly true for modeling three-dimensional microstructures for which conventional front-tracking approaches would have been impossible.
     It can be applied to essentially all types of microstructure problems related to vastly different materials processes by appropriately choosing either physical or artificial field variables. It has been successfully applied to solidification, coarsening and growth, and many others.
  
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