Abstract

Abstract Stress analysis is carried out for horizontal thin cylindrical shells subjected to transient inner pressures resulting from the closure of a terminal valve. The velocity of water at a valve is adjusted to become υ 0 e − bt . The relationships between the dynamic hoop stresses acting on the neutral axis of the wall of a cylinder, the hydraulic pressures, the dimensions of a cylinder and time are obtained. The results show that the maximum dynamic hoop stresses are greatly affected by the time necessary for a valve to be closed. The problem is solved by the Laplace transformation method.

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