8.5 Determine free-vibration frequencies and mode shapes for the three-bar pin-jointed structure shown in Figure 8.22. All members have the same cross-sectional area and are of the same material, p = 490 lb/ft³, E = 30 x 105 lb/in², and A = 1in². The dimensions in inches are shown in the figure. 72 (in) 108 Figure 8.22.

8.5 Determine free-vibration frequencies and mode shapes for the three-bar pin-jointed structure shown in Figure 8.22. All members have the same cross-sectional area and are of the same material, p = 490 lb/ft³, E = 30 x 105 lb/in², and A = 1in². The dimensions in inches are shown in the figure. 72 (in) 108 Figure 8.22.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.19P: Repeat Problem 2.3-18, but assume that the bar is made of copper alloy. Calculate the displacements...

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