 simpl model studi transient temperatur thermal stress distribut aerodynam heat simpl model studi transient temperatur thermal stress distribut aerodynam heat work concern determin transient temperatur thermal stress simpl model intend simul part aircraft structur built- varieti subject aerodynam heat case consid convect heat transfer side flat plate repres thick skin temperatur distribut induc thermal stress associ bend restraint plate edg numer present transient temperatur differenti plate environ temperatur increas linearli time remain constant period linear increas repres time acceler aircraft correspond thermal stress present second case wide-flang i-beam convect heat transfer outer face flang numer present transient temperatur differenti wide rang valu applic paramet environ temperatur variat describ correspond thermal stress beam infinit length determin theoret analysi stress distribut beam finit length carri numer case experiment investig temperatur stress beam describ present indic good agreement correspond theoret 