PSI - Issue 2_B

Marcus Wheel / Procedia Structural Integrity 2 (2016) 174–181 Author name / Structural Integrity Procedia 00 (2016) 000–000

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0 0.5 1 1.5 2 2.5 3 3.5 4

Rigidity/Depth

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Depth Squared

Figure 3 Variation in rigidity/depth with depth squared when t B = t A , E B = 10E A (stars) and t B = t A , E B = 0.1E A (crosses)

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1.1

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Normalized ERR

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Number of layers of material A (reinforcement), n

Figure 4 Unevenly loaded symmetric sample: variation in normalized mode I (squares) and mode II (diamonds) ERRs with number of layers of material A (reinforcement) for t B = 0.1t A (filled markers) and t B = 0.01t A (open markers)