Topics in Modal Analysis & Testing, Volume 8

18 Developing a Correlation Criterion (SpaceMAC) for Repeated and Pseudo-repeated Modes 197 Table 18.2 SpaceMAC2 values for 2001 Circular Plate Dataset Number Frequency 1 Frequency 2 Principal angle spaceMAC 1 362.337 363.648 0.044 0.956 2 362.337 761.104 1.255 0.049 3 362.337 764.163 1.255 0.049 4 362.337 1223.011 1.257 0.049 5 362.337 1224.080 1.255 0.049 6 362.337 1328.055 1.256 0.049 7 362.337 1328.769 1.255 0.049 8 362.337 2322.186 1.266 0.049 9 362.337 2322.555 1.195 0.070 10 363.648 761.104 1.239 0.054 11 363.648 764.163 1.239 0.054 12 363.648 1223.011 1.254 0.050 13 363.648 1224.080 1.239 0.054 14 363.648 1328.055 1.239 0.054 15 363.648 1328.769 1.239 0.054 16 363.648 2322.186 1.183 0.074 17 363.648 2322.555 1.247 0.052 18 761.104 764.163 0.077 0.924 19 761.104 1223.011 1.253 0.050 20 761.104 1224.080 1.173 0.078 21 761.104 1328.055 0.385 0.624 22 761.104 1328.769 0.388 0.622 23 761.104 2322.186 0.387 0.623 24 761.104 2322.555 0.405 0.606 25 764.163 1223.011 1.253 0.050 26 764.163 1224.080 1.173 0.078 27 764.163 1328.055 0.395 0.615 28 764.163 1328.769 0.395 0.615 29 764.163 2322.186 0.397 0.614 Fig. 18.9 Analytical modeshape corresponding to experimental mode at 761.104 Hz

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