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Mathematics Group

X-FOSLS: Extended Finite Element Techniques for Crack Propagation and Fracture

“X-FOSLS” enhances standard finite elements to include the difficult and challenging cases in which singularities and pathologies in the solution cause standard techniques to fail. They rely on a consistent mathematical formulation of jump and internal boundary conditions, and are used in crack/fracture calculations and the analysis of the failure of interconnect lines in semiconductors.