SLX 06: in plane bending of an arc


Material Modulus of elasticity E =200 000N/mm^2
Poisson’s ratio \nu= 0.3
Geometry Cross-section Tube d_i = 16mm
d_e = 20mm
Boundary conditions In point A Fixed support
Loads In point B F_x = 0.01kN
F_y = 0.005kN
M = 0.008kNm

Note: the arc is approximated with 16 line segments


Horizontal deformation \delta_x in Diamonds

Point Which result Independent reference Diamonds Difference
B Horizontal deformation \delta_x 379,1mm 378,5mm 0,11%
B Vertical deformation \delta_y 241,7mm 241,8mm 0,04%
B Angular deformation \varphi_z 0,1654rad 0,1653rad -0,06%


  • Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SSLL 06: arc mince encastré en flexion plane.
  • Tested in Diamonds 2023r01.

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