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MARMOT Validation

January 29, 2013 - 10:35am

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The composition-dependent mobility in the formulism of the phase-field modeling is implemented into the MARMOT phase-field algorithm. Benchmarking was done for the MARMOT, finite element (FE)-based phase-field framework that utilizes the new implementation of the variable splitting algorithm. The results indicate that while the variable splitting algorithm executes about eight times faster, the use of higher-order Hermite elements offers faster convergence. A manuscript summarizing these results has been submitted for publication. Work is also continuing on implementing a J2 von-Mises’ time-dependent and independent plasticity into the Marmot phase-field algorithm. The current studies do not include adoptive meshing, which will be incorporated later. [INL]

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