Display forces in 2D elements

Tekla Structural Designer
Modified: 9 May 2023
2024
Tekla Structural Designer

Display forces in 2D elements

Which forces can be displayed?

Option Desription
Mdx top Wood Armer bending along panel x axis, top surface
Mdx bottom Wood Armer bending along panel x axis, bottom surface
Mdy top Wood Armer bending along panel y axis, top surface
Mdy bottom Wood Armer bending along panel y axis, bottom surface
Fx Axial force in panel x axis
Fy Axial force in panel y axis
Fxy Complimentary in-plane shear
Fxz Shear in panel z axis in the panel xz plane
Fyz Shear in panel z axis in the panel yz plane
Fzmax Maximum shear force
Mx Bending along panel x axis
My Bending along panel y axis
Mxy Plate torsional moment
M1 Maximum principal moment
M2 Minimum principal moment

Calculation of the maximum and minimum principal moments

The maximum and minimum principal moments are calculated from the Mx, My and Mxy moments at the nodes as follows:

M1 = (Mx + My + √((Mx – My)2 + 4 x Mxy2)) / 2

M2 = (Mx + My – √((Mx – My)2 + 4 x Mxy2)) / 2

Calculation of the maximum shear force

The maximum shear force is calculated from the Fxz and Fyz forces at the nodes as follows:

Fzmax = √(Fxz2 + Fyz2)

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