1. Home
  2. Diamonds
  3. Validation
  4. Dynamic analysis
  5. Bar structures
  6. DLX 06: Thin walled tube section – eigenfrequencies

DLX 06: Thin walled tube section – eigenfrequencies

Description

Material Modulus of elasticity E=210 000 N/mm^2
Density \rho=7800 kg/m^3
Poisson’s ratio \nu= 0.3
Geometry Cross-section Tube d_e = 20mm and t = 2mm
Boundary conditions In point A & B Simple support
In point C & D Fixed support
Mesh No. of divisions 8

Results

Eigen mode Shape Independent reference Diamonds Difference
1 17,9Hz 17,7Hz -1,12%
2 24,8Hz 24,4Hz -1,61%
3 25,3Hz 25,0Hz -1,19%
4 27,0Hz 26,7Hz -1,11%

References

  • Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLL 14: modes de vibration d’un coude de tuyauterie mince.
  • Tested in Diamonds 2023r01.

Article Attachments

Was this article helpful?

Related Articles

Need Support?
Can't find the answer you're looking for? Don't worry we're here to help!
CONTACT SUPPORT