... were computed using load and displacement data. In Figure 3(b) , the DIC software calculated longitudinal strain at arbitrary characteristic points for samples 3 and 4. Stress–strain behavior FEM FRP DIC technique Composite Before the 1970s, fiber-reinforced polymers (FRPs...

... The comparison between numerical simulation based on static material properties with experimental results of high-speed load shows no significant influence of strain rate effect in composite material. Research limitations/implications Owing to the sensitivity of the composite material on technology...

...Radek Doubrava; Martin Oberthor; Petr Bělský; Jan Raška Purpose The purpose of this paper is to describe the approach for the design of a jet engine composite air inlet for a new generation of jet trainer aircraft from the perspective of airworthiness requirements regarding high-speed impact...

... of sandwich elements using THz spectroscopy and investigate utility of the method for mechanical damage and contamination (water) detection and localisation. Due to different damage origins and the influence of loading and environmental factors on composite materials to increase the safety, different non...

.... Design/methodology/approach The experimental investigation is performed on samples manufactured during infusion process. The measurements were performed on three four-layered rectangular composite samples with discontinuities. The discontinuities introduced in the samples were as follow: all three...

... and circumferential modulus. Practical implications Distant non-interacting damage and delamination around the circumference does reduce the structural performance. Originality/value Behaviour of composite tubes under different loading conditions, for example low speed impact or quasi static indentation...

...Roman Ruzek; Martin Kadlec; Konstantinos Tserpes; Evaggelos Karachalios Purpose Compression is critical loading condition for composite airframes. Compression behaviour of structures with or without damages is a weak point for composite fuselage panels. This is one of the reasons for need...

... to the original structure by different techniques, e.g., riveting and bonding. The purpose of this paper is to describe the repair of a fatigue crack in the metallic wing structure of a jet trainer aircraft using an adhesively bonded boron composite patch. Design/methodology/approach – The partial...

... technique provides relevant information on the bond quality in agreement with GIC values measured by the University of Patras. Dr M. Boustie can be contacted at: michel.boustie@ensma.fr © Emerald Group Publishing Limited 2014 Composite Adhesion Laser shock Non-destructive testing...

...Namita Nanda; S.K. Sahu; J.N. Bandyopadhyay Purpose – The purpose of this paper is to study the nonlinear forced vibration responses of delaminated composite shells in hygrothermal environments. Design/methodology/approach – Finite element method using an eight-noded C0 continuity...