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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2013
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Article
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Tab 1
/
Research Article
Free Vibration Analysis of an Euler Beam of Variable Width on the Winkler Foundation Using Homotopy Perturbation Method
Table 1
Normalized free vibration frequencies of simply supported beam resting on the Winkler foundation.
Method
HPM
9.92014
39.4911
88.8321
157.9168
246.7421
DTM [
1
]
9.92014
39.4911
88.8321
—
—
DQEM [
7
]
9.92014
39.4913
89.4002
—
—
Exact solution [
1
]
9.92014
39.4911
88.8321
—
—