Book ChapterDOI
Low Velocity of Single and Multiple Impacts on Curved and Hybrid Curved Composite Panel for Aircraft Applications
D. Mallikarjuna Reddy,Shreekant Patil,Kiran S. Matti,Nemmani Abhinav +3 more
- pp 215-223
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TLDR
In this article, the behavior of curved composite panels were studied under single and multiple impacts where impact analysis is done numerically, and the results of which include deformation, stress distribution, contact force, and energy absorbed by the structure.Abstract:
The use of composites from the past few decades has been outstanding. Composites are becoming very popular due to their high specific strength. The main aim of this research is to analyze the behavior of the composite structure under low-velocity impact. In this paper, curved composite panels were studied under single and multiple impacts where impact analysis is done numerically. Numerical analysis includes finite element modeling and finite element analysis of the structure through Abaqus software. Different parameters were obtained, and the results of which include deformation, stress distribution, contact force, and energy absorbed by the structure. Numerical results were compared for different materials as well as impacts and are validated with literature data.read more
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Journal ArticleDOI
Compression after impact of thin composite laminates
TL;DR: In this paper, the damage tolerance of various lay-ups of thin carbon/epoxy laminates (1.6-2.2 mm) is examined by compression after impact (CAI) tests, using a new testing device which adapts to the thicknesses of the specimens and does not require tabs nor any modification of the specimen geometry.
Journal ArticleDOI
A model to predict low-velocity impact response and damage in sandwich composites
TL;DR: In this paper, a modified energy-balance model coupled with the law of conservation of momentum is proposed to extend the validity of elastic impact models beyond the elastic regime, and three parameters were derived from the static load-deformation response: the elastic stiffness, the critical load at the onset of damage, and the damaged stiffness.
Journal ArticleDOI
Bird strike damage analysis in aircraft structures using Abaqus/Explicit and coupled Eulerian Lagrangian approach
Ivica Smojver,Darko Ivančević +1 more
TL;DR: In this paper, the problem of soft body impacts has been tackled by applying the Coupled Eulerian Lagrangian technique, thereby avoiding numerical difficulties associated with extensive mesh distortion.
Journal ArticleDOI
Numerical simulation of bird strike damage prediction in airplane flap structure
Ivica Smojver,Darko Ivančević +1 more
TL;DR: In this paper, a Lagrangian formulation was used for the bird model in combination with various material models to perform numerical analyses of bird impact damage in complex aircraft structures using ABAQUS/Explicit.
Journal ArticleDOI
The oblique impact response of composite sandwich plates
TL;DR: In this paper, the authors focus on the experimental study of low-velocity oblique impact on composite sandwich plates and select several impact angles and impact energies to study their influence on the maximum contact force, maximum contact time, absorbed energy, maximum displacement of the impactor, and damaged area.
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