Introduction to User Material Subroutine UMAT in ABAQUS

I am a Professor (UK Reader) of Mechanical Engineering at University of Aberdeen, United Kingdom. I hold a PhD in Mechanical Engineering from University of Stuttgart, Germany. I am a Fellow of Higher Education Academy of UK, a Chartered Engineer and a member of IMECHE UK. I am ranked in the list of top 2% world scientists with highest impact in the year 2021.
I have published over 80 articles in world leading international journals and conferences. My research grant portfolio in the past is over £2 million.