Research Article
A Normalized Transfer Matrix Method for the Free Vibration of Stepped Beams: Comparison with Experimental and FE(3D) Methods
Table 4
Validation of the present NTM using 20-span uniform beam with 19 equally spaced concentrated masses
in comparison with [
6].
| Method | | | | | | Computational time (sec) |
| NAT [6] | | | 3.7177 | 6.1716 | 8.6392 | 48.17 | Present NTM | | | 3.7177 | 6.1716 | 8.6392 | 13.53 | NAT [6] | | | 2.3871 | 4.7742 | 7.1612 | 34.67 | Present NTM | | | 2.3871 | 4.7742 | 7.1612 | 12.14 | NAT [6] | | | 3.5941 | 5.9671 | 8.35471 | 40.40 | Present NTM | | | 3.5941 | 5.9671 | 8.35471 | 13.47 | NAT [6] | | | 1.5989 | 2.5329 | 4.5969 | 22.13 | Present NTM | | | 1.5989 | 2.5329 | 4.5969 | 10.23 |
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