Тест 7.6 Temperature expansion in the presence of a gap

Verification of the LIRA-FEM software / Тест 7.6 Temperature expansion in the presence of a gap / Analytical solution: C. O. Harris, Introduction to Stress Analysis, The Macmillan Co., New York, NY, 1959, pg. 58, problem 8.



Тест 7.6  Temperature expansion in the presence of a gap

Analytical solution: C. O. Harris, Introduction to Stress Analysis, The Macmillan Co., New York, NY, 1959, pg. 58, problem 8.

Geometry::


l = 3 in;
δ = 0.002 in.

Material characteristics: Е = 10.5 х 106 psi, coefficient of thermal expansion α = 12.5 x 10-6 in/in-оF.

Boundary conditions: The ends of the rod are rigidly pinched.

Loads: Initial core temperature Та=70оF, temperature after heating Т = 170оF.

CALCULATION RESULTS:

Point

The desired value

Analytical solution

Calculation results (LIRA)

Uncertainty%

Voltage psi

-6125

-6124,98

0,003

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