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Table 3 Results of PM and DQM for the non-dimensional frequencies of clamped–clamped non-prismatic rectangular beam

From: Analytic and numeric analysis for deformation of non-prismatic beams resting on elastic foundations

Non-dimensional frequency \(\gamma = 0\) \(\gamma = 0.2\) \(\gamma = 0.4\) \(\gamma = 0.6\) \(\gamma = 0.8\) \(\gamma = 1\)
PM (C-C), Ω1 4.730 4.999 5.340 5.745 6.200 6.689
DQM (C-C), Ω1 4.730 5.002 5.385 5.983 6.952 8.428
PM (C-C), Ω2 7.853 8.300 8.865 9.538 10.294 11.106
DQM (C-C), Ω2 7.853 8.305 8.940 9.933 11.542 13.992
PM (C-C), Ω3 10.996 11.622 12.413 13.355 14.413 15.551
DQM (C-C), Ω3 10.996 11.628 12.518 13.909 16.161 19.593