1102 変位拘束端でのクラック又は剥離を有する半無限体の縦せん断問題の解析  [in Japanese] Longitudinal Shear Problem of a Crack and a Debonding Emanating From a Stiffened Edge on a Half Body  [in Japanese]

A semi-infinite elastic body with a debonding and a crack emanating from a stiffened edge under uniform longitudinal shear load is investigated. The respective complex stress function is obtained in closed form by using a conformal mapping function. The stress intensity factor of a crack, the energy release rate of a crack and a debonding are investigated. It can be determined by comparing energy release rate of a crack and a debonding whether a crack initiates or a debonding propagates from a stiffened edge.