Hatim Alotaibi
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View article: FEM and FVM Methods for Design and Manufacturing of Hierarchical Aerospace Composites: A Review
FEM and FVM Methods for Design and Manufacturing of Hierarchical Aerospace Composites: A Review Open
The manufacturing of multiscale composite structures in aerospace engineering is governed by complex interactions among material heterogeneity, fluid rheology, and multiphysics phenomena—including thermal, chemical, electrical, and mechani…
View article: A Numerical Framework of Simulating Flow-Induced Deformation during Liquid Composite Moulding
A Numerical Framework of Simulating Flow-Induced Deformation during Liquid Composite Moulding Open
Fibre deformation (or shearing of yarns) can develop during the liquid moulding of composites due to injection pressures or polymerisation (cross-linking) reactions (e.g., chemical shrinkage). On that premise, this may also induce potentia…
View article: Infusion Simulation of Graphene-Enhanced Resin in LCM for Thermal and Chemo-Rheological Analysis
Infusion Simulation of Graphene-Enhanced Resin in LCM for Thermal and Chemo-Rheological Analysis Open
The present numerical study proposes a framework to determine the heat flow parameters—specific heat and thermal conductivity—of resin–graphene nanoplatelets (GNPs) (modified) as well as non-modified resin (with no GNPs). This is performed…
View article: A Numerical Thermo-Chemo-Flow Analysis of Thermoset Resin Impregnation in LCM Processes
A Numerical Thermo-Chemo-Flow Analysis of Thermoset Resin Impregnation in LCM Processes Open
This paper presents a numerical framework for modelling and simulating convection–diffusion–reaction flows in liquid composite moulding (LCM). The model is developed in ANSYS Fluent with customised user-defined-functions (UDFs), user-defin…
View article: Numerical Simulation of Two-Phase Flow in Liquid Composite Moulding Using VOF-Based Implicit Time-Stepping Scheme
Numerical Simulation of Two-Phase Flow in Liquid Composite Moulding Using VOF-Based Implicit Time-Stepping Scheme Open
The filling stage in injection/infusion moulding processes plays a key role in composite manufacturing that can be influenced by the inlet and vent ports. This will affect the production of void-free parts and the desirable process time. F…
View article: Numerical Investigation of Multi-scale Characteristics of Single and Multi-layered Woven Structures
Numerical Investigation of Multi-scale Characteristics of Single and Multi-layered Woven Structures Open
Resin flow through multi-ply woven fabrics is affected by the fibre orientation and laminate stacking sequence during the impregnation process. This is characterised by permeability, which measures the ability of transferring fluids within…
View article: A Numerical Analysis of Resin Flow in Woven Fabrics: Effect of Local Tow Curvature on Dual-Scale Permeability
A Numerical Analysis of Resin Flow in Woven Fabrics: Effect of Local Tow Curvature on Dual-Scale Permeability Open
Permeability is a crucial flow parameter in liquid composite moulding (LCM), which is required to predict fibre impregnation, void formation and resin back flow. This work investigates the dual-scale (micro- and meso-) nature of permeabili…
View article: The results of CCM.G-K2.2017 key comparison
The results of CCM.G-K2.2017 key comparison Open
The CCM.G-K2.2017 comparison was organised for the purpose of determination of the degree of equivalence of the national standards for free-fall acceleration measurement. The comparison was held in the Changping Campus of National Institut…
View article: Efflux Time from Vertical Cylindrical Tank Design and Construction
Efflux Time from Vertical Cylindrical Tank Design and Construction Open
The efflux time measurement from vertical carbon steel vessel was measured using 1,2, and 3-pipe lines located at the bottom of the tank having different lengths and diameters.The efflux time experimental setup was developed and designed u…