Тест 5.6 Vibrations of the wedge-shaped arm

Analytical solution: S. Timoshenko, D. H. Young, Vibration Problems in Engineering, 3rd Edition, D. Van Nostrand Co., Inc., New York, NY, 1955, pg. 392, article 62.

Geometry:

l = 16 in; b = 2 in; t = 1 in.

Material characteristics: Е=30 x 10⁶ psi, ν=0.0, ρ =0.000728 lb-sec²/in⁴.

Boundary conditions: The contour along the line x = l is rigidly pinched.

Loads: For modal analysis.

CALCULATION RESULTS:

Order of form	Frequency, Hz		Uncertainty,%
	Analytical solution	Calculation results (LIRA)
1	259,16	260,44	0,49

Preview image: Array

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