A continuum damage mechanics (CDM) modeling approach for prediction of fatigue failure of metallic bolted joints

A Sadeghirad, J Xiao, P Liu, J Lua - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
Metallic bolted joints have been used extensively in aerospace structures along with their
sustainment. A number of studies [1–7] have been conducted recently to investigate the …

A progressive fatigue model for bolted composite components

J Xiao, X Cui, J Lua - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
A new progressive fatigue model for bolted composite joint is developed by integrating a
stress-cycle (SN) based crack initiation with a Paris-type (da/dN) based damage …

Damage Mechanisms in Tapered Composite Structures under Static and Fatigue Loading

PM Rao, MR Gurvich, UR Palliyaguru… - American Society for …, 2019 - ntrs.nasa.gov
In this work an integrated computational/experimental approach was developed to validate
the predictive capabilities of State-of-the-Art (SoA) Progressive Damage Analysis (PDA) …

[PDF][PDF] An engineering approach to analyze damage initiation modes in tapered composite structures

PM Rao, UR Palliyaguru, MR Gurvich… - American Society for …, 2018 - ntrs.nasa.gov
In this work an engineering approach is demonstrated for analyzing damage initiation
modes in tapered composite structures. The analysis methodology includes simulation of the …

[PDF][PDF] Progressive Damage Mechanisms in Thick 3D Composite Structures under Static and Fatigue Loading

PM Rao, MR Gurvich, NW Waas… - ASC 35TH Technical …, 2020 - ntrs.nasa.gov
The objective of this work is to demonstrate validation of predictive capabilities capturing
both damage initiation and growth under static and fatigue loading in geometrically complex …

An Extended Dual Spring Modeling Approach for Static and Fatigue Failure Assessment of Composite Laminates with Stitching

X Cui, J Xiao, J Lua - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
Delamination is a major mechanism in the failure of composite laminates under static and
fatigue loading. As an effective way to arrest the delamination crack propagation, stitching …