PSI - Issue 33

Ashley Amanda Freeman et al. / Procedia Structural Integrity 33 (2021) 265–278 Author name / Structural Integrity Procedia 00 (2019) 000–000

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Moreover, only the models presented for , r E consistently give R 2 values which are greater than 0.32. This could suggest that for this data set, that multivariate analysis is more capable of investigating modulus values than displacement and hardness.

Fig. 5 Correlation between predicted and measured maximum displacement

Fig. 6 Correlation between predicted and measured reduced modulus