273 citations · 666 across the 28 of their papers we have counts for
13 papers · 1 filter
Polytopal composite finite elements for modeling concrete fracture based on nonlocal damage models
Hai D. Huynh, S. Natarajan, H. Nguyen-Xuan +1
The paper presents an assumed strain formulation over polygonal meshes to accurately evaluate the strain fields in nonlocal damage models. An assume strained technique based on the…
Crack propagation in quasi-brittle materials by fourth-order phase-field cohesive zone model
Khuong D. Nguyen, Cuong-Le Thanh, Frank Vogel +2
A phase-field approach becomes a more popular candidate in modeling crack propagation. It uses a scalar auxiliary variable, namely a phase-field variable, to model a discontinuity…
Non-conforming multipatches for NURBS-based finite element analysis of higher-order phase-field models for brittle fracture
Khuong D. Nguyen, Charles E. Augarde, William M. Coombs +2
This paper proposes an effective computational tool for brittle crack propagation problems based on a combination of a higher-order phase-field model and a non-conforming mesh usin…
Three-dimensional topology optimization of auxetic metamaterial using isogeometric analysis and model order reduction
Chuong Nguyen, Xiaoying Zhuang, Ludovic Chamoin +3
In this work, we present an efficiently computational approach for designing material micro-structures by means of topology optimization. The central idea relies on using the isoge…
An adaptive strategy based on conforming quadtree meshes for kinematic limit analysis
H Nguyen-Xuan, Hien V Do, Khanh N Chau
We propose a simple and efficient scheme based on adaptive finite elements over conforming quadtree meshes for collapse plastic analysis of structures. Our main interest in kinemat…
A Virtual Element Method for 2D linear elastic fracture analysis
Vien Minh Nguyen-Thanh, Xiaoying Zhuang, Hung Nguyen-Xuan +2
This paper presents the Virtual Element Method (VEM) for the modeling of crack propagation in 2D within the context of linear elastic fracture mechanics (LEFM). By exploiting the a…
Isogeometric nonlinear bending and buckling analysis of variable-thickness composite plate structures
T. Le-Manh, Q. Huynh-Van, Thu D. Phan +2
This paper investigates nonlinear bending and buckling behaviours of composite plates characterized by a thickness variation. Layer interfaces are described as functions of inplane…
Isogeometric analysis for functionally graded microplates based on modified couple stress theory
Hoang X. Nguyen, Tuan N. Nguyen, M. Abdel-Wahab +3
Analysis of static bending, free vibration and buckling behaviours of functionally graded microplates is investigated in this study. The main idea is to use the isogeometric analys…
An efficient adaptive polygonal finite element method for plastic collapse analysis of solids
H. Nguyen-Xuan, Son H. Nguyen, Hyun-Gyu Kim +1
We propose an adaptive polygonal finite element formulation for collapse plastic analysis of solids. The article contributes into four crucial points: 1) Wachspress shape functions…
Isogeometric approach for nonlinear bending and post-buckling analysis of functionally graded plates under thermal environment
Loc V. Tran, Phuc Phung-Van, Jaehong Lee +2
In this paper, equilibrium and stability equations of functionally graded material (FGM) plate under thermal environment are formulated based on isogeometric analysis (IGA) in comb…
Geometrically nonlinear isogeometric analysis of laminated composite plates based on higher-order shear deformation theory
Loc V. Tran, Jaehong Lee, H. Nguyen-Van +2
In this paper, we present an effectively numerical approach based on isogeometric analysis (IGA) and higher-order shear deformation theory (HSDT) for geometrically nonlinear analys…
Isogeometric finite element analysis of laminated composite plates based on a four variable refined plate theory
Loc V. Tran, Chien H. Thai, Buntara S. Gan +1
In this paper, a novel and effective formulation based on isogeometric approach (IGA) and Refined Plate Theory (RPT) is proposed to study the behavior of laminated composite plates…
An extended isogeometric analysis for vibration of cracked FGM plates using higher-order shear deformation theory
Loc V. Tran, Vinh Phu Nguyen, M. Abdel Wahab +1
A novel and effective formulation that combines the eXtended IsoGeometric Approach (XIGA) and Higher-order Shear Deformation Theory (HSDT) is proposed to study the free vibration o…