Тест 8.6 Determination of geometric characteristics of a thin-walled semi-closed section
Verification of the LIRA-FEM software / Тест 8.6 Determination of geometric characteristics of a thin-walled semi-closed section / :Analytical solution:
Analytical solution::
Geometry:
 |
a = 24 см; a1 = 4 см; a2 = 6 см; t = 1 см; h1 = 10 см; h = 40 см. |
CALCULATION RESULTS:
|
The desired value |
Analytical solution |
Calculation results (LIRA) |
Uncertainty,% | |
|
Moment of inertia in torsion Iк, см4 |
19238,64 |
19249,33 |
0,06 | |
|
Shift area along the axis Y Fy, см2 |
43,33 |
43,25 |
0,18 | |
|
Shift area along the axis Z Fz, см2 |
70,28 |
70,42 |
0,2 | |
|
Bimoment (sectorial moment) of inertiaи Iw, см6 |
104526,58 |
104522,41 |
0,01 | |
|
Torsion center coordinates, см |
Yc |
0 |
0 |
0 |
|
Zc |
5 |
4,96 |
0,8 | |
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