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Donald T. Greenwood, "Principles of Dynamics", Englewood Cliff, Prentice-Hall, Inc.,1965 .p.459, EX.9-1."MSC/NASTRAN, Verification Problem Manual", V.64, The MacNeal-Schwendler Corporation, 1986, Problem No.V0301."NISA II, Verification Manual", Version 91.0, Engineering Mechanics Research Corporation,1991.
Results
| Independent1 (Theoretical) | Independent2 (MSC)Independent3 () | MIDAS | OpenBrIM | Percent Difference (MIDAS vs |
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Independent1| Independent) | Percent Difference ( |
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MIDAS Independent2| Independent) | Percent Difference ( |
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MIDAS Independent3| Independent) | Percent Difference (OpenBrIM vs |
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Independent1)Percent Difference (OpenBrIM vs Independent2) | Percent Difference (OpenBrIM vs Independent3) | | Independent) |
|---|
Mode1
| Frequency (rad/sec) | 10.8267 | 10.8267 | 10.8267 | 10.8267 | 10.8267 |
0% | 0% | 0% | 0% | 0% | 0% |
| Frequency (cycle/sec) | 1.7231 | 1.7231 | 1.7231 | 1.7231 | 1.7231 |
0% | 0% | 0% | 0% | 0% | 0% |
| Period (sec) | 0.5803 | 0.5803 | 0.5803 | 0.5803 | 0.5803 | 0% | 0% | 0% | 0% |
0% | 0% | | X1 | 1.0000 | 1.0000 | 1.0000 | 1.0000 |
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| X2 | 0.531 | 0.531 | 0.531 | 0.531 |
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| Mode2 | Frequency (rad/sec) | 46.1821 | 46.1821 | 46.1821 | 46.1821 | 46.1821 | 0% | 0% | 0% | 0% |
0% | 0% | | Frequency (cycle/sec) | 7.3501 | 7.3501 | 7.3501 | 7.3501 | 7.3501 | 0% | 0% | 0% | 0% |
0% | 0% | | Period (sec) | 0.1361 | 0.1361 | 0.1361 | 0.1361 | 0.1361 |
0% | 0% | 0% | 0% | 0% | 0% |
| X1 | -0.133 | -0.133 | -0.133 | -0.133 |
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| X2 | 1.0000 | 1.0000 | 1.0000 | 1.0000 |
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