Hi all,
I'm trying to extract the reduced mass and stiffness matrices from my FE model. I'm using Abaqus 6.13-2 and this is the bit I've introduced into my .inp file:
*STEP, name=CB
*SUBSTRUCTURE GENERATE, TYPE=Z66, MASS MATRIX=YES
*RETAINED NODAL DOFS
101, 13809, 45225
1
5
*SELECT EIGENMODES...