Dimitris Dimitriou

2 Questions 11 Answers 0 Followers

Questions related from Dimitris Dimitriou

How to define Secant and Tangential Stiffness Matrices for Nonlinear analysis using 3-node axial (rod) finite elements?

I am trying to program a Newton-Raphson Nonlinear solver for Material nonlinearities (i.e. bilinear material) and i don't know how to define Tangential and Secant Young Moduli since the 3-node...

15 February 2020 6,554 4 View

How to do a proper convergence check in a model with many different parts in ABAQUS?

How can I do proper convergence check in an impact analysis in ABAQUS where there are an impactor and a sandwich panel? Should I condense the mesh at the impactor and the sandwich panel as well in...

18 December 2018 7,195 0 View