Тест 8.4 Determination of geometric characteristics of the thin-walled section of an I-beam.
Verification of the LIRA-FEM software / Тест 8.4 Determination of geometric characteristics of the thin-walled section of an I-beam. / Analytical solution:
Analytical solution::
Geometry:
 |
а = 16 см; а1 = 10 см; t1 = 1.2 см; t = 0.8 см; h = 25 см. |
CALCULATION RESULTS:
|
The desired value |
Analytical solution |
Calculation results (LIRA) |
Uncertainty,% | |
|
Moment of inertia in torsion Iк, sм4 |
19,37 |
19,24 |
0,67 | |
|
Shift area along the axis Y Fy, см2 |
22,56 |
22,63 |
0,31 | |
|
Shift area along the axis Z Fz, sм2 |
19,12 |
19,04 |
0,42 | |
|
Bimoment (sectorial moment) of inertia Iw, см6 |
50360,11 |
50369,89 |
0,02 | |
|
Torsion center coordinates, см |
Yc |
0 |
0 |
0 |
|
Zc |
5,80 |
5,83 |
0,52 | |
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