Research Article
Dynamic Behavior of a Bidirectional Functionally Graded Sandwich Beam under Nonuniform Motion of a Moving Load
Table 3
Convergence of the element in evaluating frequencies of BFGSW beam (L/h = 20).
| | | nx | nz | NE = 16 | NE = 18 | NE = 20 | NE = 22 | NE = 24 | NE = 26 |
| | (2-1-2) | 0.5 | 0.3 | 4.7097 | 4.7096 | 4.7096 | 4.7096 | 4.7096 | 4.7096 | | 1 | 3.8637 | 3.8637 | 3.8636 | 3.8635 | 3.8634 | 3.8634 | | 3 | 3.2115 | 3.2113 | 3.2112 | 3.2111 | 3.2110 | 3.2110 | | 1 | 0.3 | 4.8366 | 4.8366 | 4.8366 | 4.8366 | 4.8365 | 4.8365 | | 1 | 3.8574 | 3.8573 | 3.8573 | 3.8572 | 3.8571 | 3.8571 | | 3 | 3.2521 | 3.2520 | 3.2519 | 3.2518 | 3.2517 | 3.2517 |
| | (2-2-1) | 0.5 | 0.3 | 4.8576 | 4.8575 | 4.8575 | 4.8575 | 4.8575 | 4.8575 | | 1 | 4.1704 | 4.1703 | 4.1702 | 4.1702 | 4.1701 | 4.1701 | | 3 | 3.6098 | 3.6097 | 3.6096 | 3.6095 | 3.6094 | 3.6094 | | 1 | 0.3 | 3.6066 | 3.6066 | 3.6065 | 3.6095 | 3.6095 | 3.6095 | | 1 | 4.1599 | 4.15998 | 4.1598 | 4.1597 | 4.1597 | 4.1597 | | 3 | 3.6292 | 3.6290 | 3.6290 | 3.6289 | 3.6288 | 3.6288 |
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