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Introduction
My research interests include computational mechanics, scaffolded DNA origami, and machine learning. You can find more about my dev notes at https://trinhminhchien.com/ and my Git at https://github.com/mctrinh
Additional affiliations
Education
March 2017 - August 2020
March 2017 - August 2020
September 2010 - March 2015
Publications
Publications (20)
In this paper, the geometrically nonlinear behaviors of functionally graded composite shells under large displacements and large rotations are analyzed. Instead of constructing conventional layer-wised models, equivalent single-layer composite shell elements based on general displacement fields are developed to model the inhomogeneity of composite...
Most of the experimental, theoretical, and numerical studies on the stability of functionally graded composites are deterministic, while there are full of complex interactions of variables with an inherently probabilistic nature, this paper presents a non-intrusive framework to investigate the stochastic nonlinear buckling behaviors of porous funct...
This study focuses on the viscoelastic analysis of laminated composite shell structures under long-term creep mechanical loading. An advanced finite element technique named as cell/element-based smoothed discrete shear gap method (CS-DSG3) is employed to obtain the numerical solutions for both elastic and viscoelastic problems owing to its accuracy...
Deterministic and stochastic bending and buckling characteristics of antisymmetric cross-ply and angle-ply laminated composite plates are thoroughly examined. Partial differential equations for cross-ply and angle-ply laminates are derived using the three variable refined shear deformation theory based on the Hamilton principle. Deterministic Navie...
Functionally graded composites are commonly used under extreme mechanical and thermal loads wherein a minimal degree of uncertainty might significantly deviate the structural responses. Meanwhile, there is a lack of studies that consider the effects of inevitable source-uncertainty, especially in the stochastic dynamics of composites. This paper, f...
Inevitable source-uncertainties in geometry configuration, boundary condition, and material properties may deviate the structural dynamics from its expected responses. This paper aims to examine the influence of these uncertainties on the vibration of functionally graded beams. Finite element procedures are presented for Timoshenko beams and utiliz...
In this work, uncertainty in fiber angles, laminate dimensions, and constituent material properties of composite laminates is investigated to quantify their effects on the buckling load of different laminated composite plates, consisting of four composite plies. For stochastic buckling quantification, typical fourteen scenarios of randomness are in...
This study aims to estimate the value and quantify the uncertainty of the compressive strength of circular concrete-filled steel tube (CCFST) columns under eccentric loading using a hybrid machine learning model, namely PANN, which is a combination of particle swarm optimization (PSO) and artificial neural networks (ANNs). A dataset of 241 experime...
Inherent stochasticity in the nano-structural geometry and molecular mechanics properties of lattice-like two-dimensional (2D) materials can significantly deviate the predicted elastic properties that are widely reported in a deterministic framework. Such uncertainties can be attributed to inevitable fabrication uncertainties and random error in pa...
In this paper, we present a geometrically nonlinear formulation for a nine-node shell finite element and demonstrate its performance. The total Lagrangian formulation is utilized to allow for large displacements and large rotations. The mixed interpolation of tensorial components (MITC) technique is applied to effectively reduce the membrane and sh...
This paper introduces a semi-analytical approach integrated with Monte Carlo simulation for stochastic buckling analyses of porous functionally graded plates arising due to the inevitable source-uncertainties of geometrical configurations and material properties. Analytical derivations based on the classical plate theory in conjunction with three-v...
A reliable and advanced program for nonlinear inelastic analyses of steel girders and steel-concrete composite girders subjected to flexural loadings has been developed in the current article. Effects of geometric nonlinearities, material nonlinearities, and residual stresses on flexural behaviors of different steel girders and steel-concrete compo...
This study develops a three variable refined shear deformation theory to analyze the free vibration and bending behavior of porous functionally graded doubly curved shallow shells subjected to uniform and sinusoidal pressure. Shell displacements are assumed to be caused by extensional, bending, and shear effects. The in-plane displacements produced...
Analytical closed-form solutions for thermos-mechanical stability and explicit expressions for free- and forced- vibration of thin functionally graded sandwich shells with double curvature resting on elastic bases are investigated for the first time in this study. A core layer of ceramic and two cover layers of functionally graded materials constit...
This work presents an analytical approach to investigate buckling and post-buckling behavior of FGM plate with porosities resting on elastic foundations and subjected to mechanical, thermal and thermomechanical loads. The formulations are based on Reddy's higher-order shear deformation plate theory taking into consideration Von Karman nonlinearity,...
In this paper, the first-order shear deformation theory is used to derive theoretical formulations illustrating the nonlinear dynamic response of functionally graded porous plates under thermal and mechanical loadings supported by Pasternak's model of the elastic foundation. Two types of porosity including evenly distributed porosities (Porosity-I)...