Crack Propagation in Composite Materials
Finite Element Analysis of the stress around a crack in a composite material under two static loading scenarios, carried out in ANSYS.
- Category
- Structural Analysis & Fracture Mechanics
- Industry
- Industry & Manufacturing
Overview
Finite Element Analysis (FEA) in ANSYS to evaluate the stress distribution and crack behaviour in composite materials. The contour plots show the equivalent (von Mises) stress around the crack under two different static loading scenarios, D and K.
Maximum equivalent stress
217MPa
Loading scenario D
167MPa
Loading scenario K
What the model shows
- Equivalent (von Mises) stress: contour plots in MPa, from the lowest values (blue) to the highest (red).
- Mesh refinement: the mesh is refined around the crack, where the stress changes fastest.
- Two loading cases: scenarios D and K, each a static structural analysis at a time of 1 s, show how the load changes where and how strongly the stress concentrates.
Why it matters
A crack concentrates stress, and that is where a component starts to fail. Comparing load cases shows which one is the more severe and where the material is most at risk, which informs design changes, inspection planning and the choice of material.