Leong Hien Poh
YOU?
Author Swipe
View article: Pre-trained transformer model as a surrogate in multiscale computational homogenization framework for elastoplastic composite materials subjected to generic loading paths
Pre-trained transformer model as a surrogate in multiscale computational homogenization framework for elastoplastic composite materials subjected to generic loading paths Open
A composite material typically exhibits complex behavior at the engineer scale, arising from the interactions between its underlying constituent phases, as well as the competitions between micro-processes. It is generally a daunting task t…
View article: Accelerated offline setup of homogenized microscopic model for multi‐scale analyses using neural network with knowledge transfer
Accelerated offline setup of homogenized microscopic model for multi‐scale analyses using neural network with knowledge transfer Open
The FE computational homogenization method is a predictive multi‐scale method without the need for constitutive assumptions and/or potential function postulates at the macro engineering scale. Instead, the effective micro‐structural respon…
View article: An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity analysis
An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity analysis Open
In structural design optimization involving transient responses, time integration scheme plays a crucial role in sensitivity analysis because it affects the accuracy and stability of transient analysis. In this work, the influence of time …
View article: Enriched homogenized model for viscoelastic plane wave propagation in periodic layered composites
Enriched homogenized model for viscoelastic plane wave propagation in periodic layered composites Open
An enriched homogenized model is developed based on a proposed homogenization strategy, to describe the wave propagation behaviour through periodic layered composites. The intrinsic parameters characterising the micro-inertia effect and no…
View article: Data-Driven Structural Design Optimization for Petal-Shaped Auxetics Using Isogeometric Analysis
Data-Driven Structural Design Optimization for Petal-Shaped Auxetics Using Isogeometric Analysis Open
Focusing on the structural optimization of auxetic materials using data-driven methods, a back-propagation neural network (BPNN) based design framework is developed for petal-shaped auxetics using isogeometric analysis. Adopting a NURBS-ba…
View article: Source codes and simulation data for the finite element implementation of the conventional and localizing gradient damage methods in ABAQUS
Source codes and simulation data for the finite element implementation of the conventional and localizing gradient damage methods in ABAQUS Open
This data article presents the source codes and obtained simulation data for running numerical fracture simulation in the commercial finite element package, ABAQUS. The computational models implemented through these source codes pertain to…
View article: Systematic design of tetra-petals auxetic structures with stiffness constraint
Systematic design of tetra-petals auxetic structures with stiffness constraint Open
This paper focuses on a systematic isogeometric design approach for the optimal petal form and size characterization of tetra-petals auxetics, considering both plane stress and plane strain conditions. The underlying deformation mechanism …
View article: Structural Design Optimization Using Isogeometric Analysis: A Comprehensive Review
Structural Design Optimization Using Isogeometric Analysis: A Comprehensive Review Open
Isogeometric analysis (IGA), an approach that integrates CAE into conventional CAD design tools, has been used in structural optimization for 10 years, with plenty of excellent research results. This paper provides a comprehe... | Find, re…