Numerical Analysis of the Influences of Geometrical Deviation on Delamination in Composite Laminates around the Countersunk Hole

<div>Flowchart of the UMAT subroutine.</div>

International Journal of Aerospace Engineering

Figure 3: Numerical Analysis of the Influences of Geometrical Deviation on Delamination in Composite Laminates around the Countersunk Hole 