3. Modeling A#

3.1. Characteristics of modeling and meshing#

Line element: POU_D_TGM

_images/10000000000002030000005BE0544EA316C417F2.png

Mechanical characteristics of the section (units homogeneous to meters)

\(A\)

\(\mathrm{IY}\)

\(\mathrm{IZ}\)

\(\mathrm{AY}\)

\(\mathrm{AZ}\)

\(\mathrm{JX}\)

\(\mathrm{JG}\)

8.0e-04

2.5e-08

1.05e-07

1.05e-07

1.191790e+00

1.172840e+00

7.093682e-08

1.05e-07

1.05e-07

1.438125e-12

Loading at point \(B\).

\(\mathrm{Fx}\)

Instant 1 Instant 2

\(–\mathrm{1 000}N\) \(–\mathrm{2 000}N\)

3.2. Tested sizes and results#

The quantities tested and analyzed are the first values of buckling loads in both directions.

Theoretical Values

Tolerance (%)

1st Mode/\({I}_{z}\)

5757.3N

0.2

1st Mode/\({I}_{y}\)

24180.5 N

0.2

2nd Mode/\({I}_{z}\)

23029.1 N

0.2

3rd Mode/\({I}_{z}\)

51815.4 N

0.2

2nd Mode/\({I}_{y}\)

96722.1 N

0.2

4th Mode/\({I}_{z}\)

92116.3 N

0.7

The calculation times 1 and 2 give the same results. The calculation of the prestress vector after STAT_NON_LINE is therefore carried out correctly.