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    Undergrad Thermal expansion of solid cylinder with blind hole

    Friends, I have a 20mm dia.,30mm height, solid rod of stainless steel with a hole of dia.5mm, depth of 15mm at the center of the rod.(solid rod with a blind hole). Means wall thickness is 7.5mm radially and 15mm thick at the bottom. When I heat the solid rod to a temperature, we are sure the...