332 C.D. Van Karsen Fig. 32.9 MAC calculated between Abaqus solution and the MIMO test for the free-free plexiplate Table 32.4 Natural frequency comparison for Abaqus solution and the MIMO test for the coupled plexiplate and water Natural frequency (Hz) Mode Mode shape description Abaqus solver MIMO test 1 First order bending 72:5 92 2 First order torsion 78:9 96 3 Second order torsion 203:3 220 4 Second order bending 230:7 266 5 First bending Y-axis 266:7 278 6 Third torsion 340:9 329 7 Fourth torsion 395:2 400 8 Fifth torsion 485:3 510 Fig. 32.10 MAC calculated between Abaqus solution and the MIMO test for the coupled plexiplate and water
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