Imperfect bonding between the constitutive components can greatly affect the properties of the composite structures.An asymptotic analysis of different types of imperfect interfaces arising in the problem of 2D fibrer...Imperfect bonding between the constitutive components can greatly affect the properties of the composite structures.An asymptotic analysis of different types of imperfect interfaces arising in the problem of 2D fibrereinforced composite materials are proposed.The performed study is based on the asymptotic reduction of the governing biharmonic problem into two harmonic problems.All solutions are obtained in a closed analytical form.The obtained results can be used for the calculation of pull-out and pushout tests,as well as for the investigation of the fracture of composite materials.展开更多
A frequency equation for the vibration of an engine seating and an equation for pressure under the bottom of the engine are obtained.The present approach extends the so called Muravskii model possessing high practical...A frequency equation for the vibration of an engine seating and an equation for pressure under the bottom of the engine are obtained.The present approach extends the so called Muravskii model possessing high practical accuracy of the ground modeling with its simultaneous simplicity.展开更多
基金supported by the German Research Foundation(Deutsche Forschungsgemeinschaft)(WE 736/30-1)
文摘Imperfect bonding between the constitutive components can greatly affect the properties of the composite structures.An asymptotic analysis of different types of imperfect interfaces arising in the problem of 2D fibrereinforced composite materials are proposed.The performed study is based on the asymptotic reduction of the governing biharmonic problem into two harmonic problems.All solutions are obtained in a closed analytical form.The obtained results can be used for the calculation of pull-out and pushout tests,as well as for the investigation of the fracture of composite materials.
文摘A frequency equation for the vibration of an engine seating and an equation for pressure under the bottom of the engine are obtained.The present approach extends the so called Muravskii model possessing high practical accuracy of the ground modeling with its simultaneous simplicity.
