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.



Тест 8.2  Determining the geometric characteristics of an equilateral triangle

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 , 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

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