Тест 8.2 Determining the geometric characteristics of an equilateral triangle
Verification of the LIRA-FEM software / Тест 8.2 Determining the geometric characteristics of an equilateral triangle / Analytical solution: Designer's handbook computational-theoretical, book 1, pp. 368 - 374.
Analytical solution: Designer's Handbook computational-theoretical, book 1, pp. 368 - 374.
Geometry::
b = 40 см. |
CALCULATION RESULTS:
The desired value |
Analytical solution |
Calculation results (LIRA) |
Uncertainty% | |
Moment of inertia in torsion Iк, см4 |
55425,63 |
55437,8 |
0,02 | |
Shift area relative to the axis Y Fy, см2 |
521,939 |
521,947 |
0,01 | |
Shift area relative to the axis Z Fz, см2 |
521,939 |
521,932 |
0,01 | |
Bimoment (sectorial moment) of inertia Iw, см6 |
175918 |
175931 |
0,01 | |
Coordinates of the torsion center, см |
Yc |
0 |
0 |
0 |
Zc |
0 |
0 |
0 |
Preview image: Array
FILES
Verification examples
- Section 1 Linear static problems for rod systems, plates and shells, three-dimensional problems
- Section 2 Physically nonlinear problems
- Section 3 Geometrically nonlinear problems for threads, cable-stayed trusses, rods, membranes and plates
- Section 4 Задачи устойчивости, в основном изгибно-крутильные формы потери устойчивости
- Section 5 Modal analysis
- Section 6 Linear dynamic problems
- Section 7 Static and dynamic problems with one-sided constraints
- Section 8 Geometric characteristics of the section
- Section 9 Procritical calculations
- Section 10 Problems of stationary and non-stationary heat conduction
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