Тест 1.7 Thor under internal pressure
Verification of the LIRA-FEM software / Тест 1.7 Thor under internal pressure / Analytical solution: R.J. Roark et W.C. Young, Formulas for stress and strain, 5e edition, New York, McGraw-Hill, 1975.
Analytical solution: R.J. Roark et W.C. Young, Formulas for stress and strain, 5e edition, New York, McGraw-Hill, 1975.
Geometry:
|
Pipe radius b = 1 м; Radius a = 2 м; Thickness h = 0.02 м. |
Material characteristics: Е = 2.1 х 1011 Па, ν = 0.3.
Boundary conditions: No fasteners.
Stresses : Distributed over the area p = 10000 Па.
CALCULATION RESULTS:
|
Point |
|
Analytical solution |
Calculation results (LYRA) |
,% |
|
" r
|
σ22, Па |
2,5 x 105 |
2,45509 x 105 |
1,8 |
|
r = a - b |
σ11, Па |
7,5 x 105 |
7,15745 x 105 |
4,57 |
|
δr, м |
1,19 x 10-7 |
1,30845 x 10-7 |
9,95 |
|
|
r = a + b |
σ11, Па |
4,17 x 105 |
4,08867 x 105 |
1,95 |
|
δr, м |
1,79 x 10-6 |
1,832643 x 10-6 |
2,33 |
Preview image: Array
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