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3. 1. Preform Shear Failure 2. Adhesive Shear Failure 3. Web Failure 4. ILT/ILS Failure in adhesive or 1 st ply 5. Skin Failure. Web - 2D Material. 2. 3D Woven Textile Preform. 1. 4. 4. Skin - 2D Material. 5.
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3 1. Preform Shear Failure 2. Adhesive Shear Failure 3. Web Failure 4. ILT/ILS Failure in adhesive or 1st ply 5. Skin Failure Web - 2D Material 2 3D Woven Textile Preform 1 4 4 Skin - 2D Material 5 • Joints are extremely important! Out-of-plane loads, fasteners, ply build-ups, heavy, … • Is multi-scale analysis essential? • What is the best approach to progressive failure analysis? • Is it essential to include both diffuse and discrete damage? • How essential is accurate representation of the microstructure versus idealized RVE? • What is the best approach to model z-pins? Stitches? • What if you don’t know the crack path ahead of time? P