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SLX 01: spacial structure with elastic supports


Material Modulus of elasticity E = 210 000 N/mm^2
Poisson’s ratio \nu= 0.3
Geometry Cross-section Area A = 1 000 mm^2
Moment of inertia I = 1 000 000 mm^4
Torsion constant I_t = 2 000 000 mm^4
Boundary conditions Point A: R_x, M_yM_z 52.5kN/m and 52.5kNm/rad
Point A: R_y, R_zM_x Fixed
Point B: R_z, M_xM_y 52.5kN/m and 52.5kNm/rad
Point B: R_x, R_yM_z Fixed
In point C Hinge
Loads in point D F = 10kN


Deformation \delta_y in Diamonds

Location Which result Independent reference Diamonds Difference
A Bending moment M_y 8,438kNm 8,434kNm -0.05%
A Torsional moment T_x -1,562kNm -1,565kNm 0,19%
A Bending moment M_z 3,125kNm 3,131kNm 0,19%
A Deformation \delta_x 0 0 0,00%
A Deformation \delta_y 29,76mm 29,83mm 0,24%
A Deformation \delta_z 0  0 0,00%
A Angular displacement \varphi_x 0 0 0,00%
A Angular displacement \varphi_y -0,05952 rad -0,05964 rad 0,20%
A Angular displacement \varphi_z -0,16073 rad -0,16066 rad -0,04%
E Deformation \delta_x 138,87mm 139,17mm 0,22%
E Deformation \delta_y -370,07mm  -369,85mm -0,06%
E Deformation \delta_z 29,78mm 29,83mm 0,17%


  • Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SSLL 04: structure spatiale sur appuis élastiques.
  • Tested in Diamonds 2023r01.

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