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DLX 01: spacial structure – eigenfrequencies

Description

Material Modulus of elasticity E = 210 000 N/mm^2
Density \rho = 7850kg/m^3
Geometry Cross-sections As given in the image above
Boundary conditions Points A Fixed supports
Mesh No. of divisions 12

Results

Eigen mode Shape Independent reference Diamonds Difference
1 10,04Hz 10,04Hz 0,00%
2 12,36Hz 12,37Hz 0,08%
3 13,06Hz 13,06Hz 0,00%
4 17,53Hz 17,54Hz 0,06%
5 19,14Hz 19,15Hz 0,05%
6 22,36Hz 22,37Hz 0,04%
7 26,92Hz 26,93Hz 0,04%

References

  • Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SSLL 132: modes propres d’une charpente en poutres multi-fibres.
  • Tested in Diamonds 2023r01.

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