11 Result(s)
within
Zhidong Guan
Polymer Sciences
-
Article
Experimental and Numerical Studies on the Failure Mechanism of the Composite Scarf Joints with Bonding Flaws
Bonded composite scarf joints with bonding flaws were tested to study their tensile behaviors. Based on the failure modes obtained by various observation methods, an improved numerical methodology with appropr...
-
Article
Study on Prediction of Compression Performance of Composite Laminates After Impact Based on Convolutional Neural Networks
This paper proposed a method for predicting composite laminates’ compressive residual strength after impact based on convolutional neural networks. Laminates made by M21E/IMA prepreg were used to introduce low...
-
Article
Analysis of Open-Hole Compressive CFRP Laminates at Various Temperatures Based on a Multiscale Strategy
In this paper, a multiscale analysis strategy was proposed to analyze the failure behaviors of open-hole compressive (OHC) CFRP laminates. Micro-level intralaminar failure was defined in the constituents (fibe...
-
Article
Simulation of Low Velocity Impact Induced Inter- and Intra-Laminar Damage of Composite Beams Based on XFEM
In this paper, the Inter-Fiber Fracture (IFF) criterion of Puck failure theory based on the eXtended Finite Element Method (XFEM) was implemented in ABAQUS code to predict the intra-laminar crack initiation of...
-
Article
A Progressive Damage Model for Predicting Permanent Indentation and Impact Damage in Composite Laminates
In this paper, a progressive damage model was established on the basis of ABAQUS software for predicting permanent indentation and impact damage in composite laminates. Intralaminar and interlaminar damage was...
-
Article
Micro-Mechanical Analysis About Kink Band in Carbon Fiber/Epoxy Composites Under Longitudinal Compression
Kink band is a typical phenomenon for composites under longitudinal compression. In this paper, theoretical analysis and finite element simulation were conducted to analyze kink angle as well as compressive st...
-
Article
Pull-Through Mechanical Behavior of Composite Fastener Threads
A method was proposed to test the pull-through mechanical behavior of fastener threads, which were fabricated from weave carbon/carbon (C/C) composites. The damage morphologies of the C/C fastener threads were...
-
Article
Multi-Scale Modeling and Damage Analysis of Composite with Thermal Residual Stress
In order to analysis thermal residual stress and its influence on the strength of composite, the hierarchical multi scale simulation method is applied. A microscopic computational model of single fiber composi...
-
Article
Microscopic Progressive Damage Simulation and Scale-Span Analysis of Cross-Ply Laminate Based on the Elastic–Plastic Theory
Computational mechanics has been carried out to study the microscopic failure mechanisms of cross-ply laminate. A microscopic model of fiber regular distribution near the [90/0]8S laminate interlaminar zone is es...
-
Article
The Experiment and Numerical Simulation of Composite Countersunk-head Fasteners Pull-through Mechanical Behavior
Fasteners made of the anisotropic carbon/carbon (C/C) composite material have been developed for joining C/C composite material components in the high-temperature environment. The fastener specimens are fabric...
-
Article
Process Factors and Edgewise Compressive Properties of Scarf-repaired Honeycomb Sandwich Structures
Bonded repairs were conducted on flat and edge-closed composite sandwich panels that had undergone different levels of initial damage, and edgewise compression behaviors of repaired panel were tested. Experime...
