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
Figure 8
Graphs of relative errors and for selected eigenforms of H-H circular arch at (in-plane vibrations). Denotations depending on method used to obtain solution: proposed method (—); FEM (∙∙∙∙∙); classic series approximation (▪▪▪▪▪▪▪▪▪▪); black colour, u; grey colour, v.