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Thermal thick and thin shells

Two metalstrips are heated up by a heat flux, which is applied at the bottom surface of the elements. One metalstrip is assigned to an element section which defines a thermal thick shell, the other is assigned to a thermal thin shell. A coupled structural-thermal analysis is performed to demonstrate the difference in the behaviour of the thermal thin and the thermal thick shell. The thermally thin shell has a constant temperature field over its thickness and expands only in length. The thermally thick shell, on the other hand, can map a temperature gradient across thickness, with the metal strip curving as a result of the change in thermal expansion across thickness.