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DLS 05: Compressor blade: thin shell – eigenfrequencies


Material Modulus of elasticity E=206 850 N/mm^2
Density \rho=7857.2kg/m^3
Poisson’s ratio \nu= 0.3
Geometry Cross-section Thickness e = 3.05mm
Boundary conditions Along the inner circle Fixed support
Mesh Maximum element size 0.01m
Minimum element size 0.00m


Eigen mode Shape Independent reference Diamonds Difference
1 85.6Hz 87.1Hz -1.72%
2 134.5Hz 140.1Hz -4.00%
3 259.0Hz 248.2Hz 4.35%
4 351.0Hz 348.2Hz 0.8%
5 395.0Hz 391.1Hz 1.00%
6 531.0Hz 531.1Hz -0.02%


  • Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLS 05: aube de compresseur: coque mince encastrée-libre
  • Tested in Diamonds 2023r01.

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