13 lines
672 B
Markdown
13 lines
672 B
Markdown
first-order zig-zag theory (FZZT),
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[ref](https://www.sciencedirect.com/science/article/abs/pii/S026382239900063X)
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allowing for discontinuities in displacement between layers.
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captures the "zig-zag" pattern of displacements through the thickness that occurs due to different layer stiffness.
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The first-order zig-zag theory introduces additional terms to the displacement field assumptions used in classical laminate theory:
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1. It adds a zig-zag function that allows for slope discontinuities at layer interfaces.
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2. It maintains continuity of transverse stresses between layers.
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3. It satisfies the traction-free boundary conditions on the top and bottom surfaces.
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