Geometrical parameters |
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Inner radius ri, m |
0.2 |
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Outer radius ro, m |
0.5 |
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Facing thickness h′, mm |
1 |
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Core thickness h2, mm |
5 |
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Ratio of plate initial deflection ξ2 |
0.5, 1, 2 |
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Material parameters |
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Steel facing |
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Polyurethane foam of core |
Young's modulus E, GPa |
210 |
E2, MPa |
13 |
Kirchhoff's modulus G, GPa |
80 |
G2, MPa |
5 |
Poisson's ratio ν |
0.3 |
ν2 |
0.3 |
Mass density μ, kg/m3 |
7850 |
μ2, kg/m3 |
64 |
Linear expansion coefficient a, 1/K |
1.2×10−5 |
a2, 1/K |
7×10−5 |
Loading parameters |
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Rate of thermal loading growth a, K/s (TK7, 1/s) |
200 (20), 800 (20) |
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Rate of mechanical loading growth s, MPa/s (K7, 1/s) |
931 (20) |
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Constant temperature difference ΔT, K |
800 |
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