Тест 8.1 Determining the geometric characteristics of the ellipse

Verification of the LIRA-FEM software / Тест 8.1 Determining the geometric characteristics of the ellipse / Analytical solution: Designer's handbook computational-theoretical, book 1, pp. 368 - 374.



Тест 8.1  Determining the geometric characteristics of the ellipse

Analytical solution: Designer's Handbook computational-theoretical, book 1, p. 368 – 374.

Geometry::


b = 30 см;
h = 50 см.

CALCULATION RESULTS:

The desired value

Analytical solution

Calculation results (LIRA)

Uncertainty,%

Moment of inertia in torsion , см4

3,1185 х 106

3,1145 х 106

0,13

Shift area relative to the axis Y Fy, см2

3720,46

3721,69

0,03

Shift area relative to the axZ Fz, см2

4146,75

4144,4

0,06

Bimoment (sectorial moment) of inertia Iw, см6

9,68 х 107

9,7622 х 107

0,85

Torsion center coordinates , sм

Yc

0

0

0

Zc

0

0

0


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