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Topic review (newest first)

2

Hello, please see ATENA Troubleshooting, section 2.2.6 Floating point problems - Division by zero, Loss of >7 digits on the matrix diagonal, Floating point exception: Multiple floating points traps, Zero or negative jacobian, InvertA: zero determinant, CCMaterials Extended AExc: CC5ParamYield F:
project_stress_on_f_division by zero, and similar

1

Hi!
I wonder the meaning of the warning
Warning: Sign of diagonal changed when reducing equation
It occurs at every step.
What does it mean?