This is a simple VUMAT subroutine written in FORTRAN to implement a Dislocation Density Constitutive Model in ABAQUS. The subroutine is quite simple that only a few basic FORTRAN knowledge needed for ...

Abstract: Gallium nitride (GaN) high electron mobility transistor (HEMT) devices are prone to rapid failure after repetitive short-circuit (SC) stress under high bus voltage conditions. The ...

Britt Hertz tried a contortionist’s daily training routine. Study of 27.8M Americans may have revealed direct Alzheimer's cause Trump crackdown drives 80% plunge in immigrant employment, reshaping ...

Felix de Giles has not ruled out riding at next month's Cheltenham Festival after making a remarkable recovery from a fall in October that left him with two broken legs, a dislocated hip and a broken ...

Welcome to your go-to guide to the 2026 Winter Olympics. We’re tracking everything—from real-life heated rivalries (yes, they exist) to under-the-radar sports and surprise standouts—so you can catch ...