Research Article

Analysis of the Spatial Vibration of Nonprismatic Arches by Means of Recurrence Relations for the Coefficients of the Chebyshev Series Expansion of the Solution

Table 3

Nondimensional free vibration frequencies of H-H catenary arch (L cross section) for different approximation base sizes.

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m=1010.614416.009232.038541.335172.789378.4554
m=2010.731415.379732.318138.767669.621873.0771
m=3010.731915.348932.317138.842369.660673.1144
m=4010.731915.349532.317138.841269.660673.1136
m=5010.731915.349532.317138.841269.660673.1136