Bethany Epstein Qualifying Exam

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Event starts on this day

Apr

18

2025

Event starts at this time 2:00 pm – 3:30 pm
Featured Speaker(s): Bethany Epstein
Cost: Free
Title: Continuum theory of a subsonic Mode I crack

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Abstract: We derived the axial stress and displacement fields for a steady subsonic tensile crack propagating through an infinite homogeneous isotropic plate, a known result. We regularized the system using a dissipative perturbation and obtained the result via the complex-analytic Wiener-Hopf method. Our result is consistent both with previous theory and with experiment. This method can be retooled to furnish a continuum theory for tensile supersonic cracks which has heretofore been elusive.

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