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Shock and Vibration
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Shock and Vibration
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2014
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Article
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Tab 3
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Research Article
Model Reduction Technique Tailored to the Dynamic Analysis of a Beam Structure under a Moving Load
Table 3
Computation times of the original and condensed moving load models with different beam lengths or numbers of beam elements.
10 beam elements
20 beam elements
30 beam elements
5 m
1.37 s
1.25 s
2.19 s
1.27 s
4.97 s
1.38 s
8.8%
42%
72.2%
10 m
2.61 s
2.42 s
4.50 s
2.46 s
—
—
7.3%
45%
20 m
5.38 s
4.93 s
—
—
—
—
8.36%