Search Results - "Trong Khiem Nguyen, Lu"
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Dispersive shock waves for the Boussinesq Benjamin–Ono equation
Published in Studies in applied mathematics (Cambridge) (01-07-2021)“…In this work, the dispersive shock wave (DSW) solution of a Boussinesq Benjamin–Ono (BBO) equation, the standard Boussinesq equation with dispersion replaced…”
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Accelerating the distance-minimizing method for data-driven elasticity with adaptive hyperparameters
Published in Computational mechanics (01-09-2022)“…Data-driven constitutive modeling in continuum mechanics assumes that abundant material data are available and can effectively replace the constitutive law. To…”
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A surrogate model for computational homogenization of elastostatics at finite strain using high‐dimensional model representation‐based neural network
Published in International journal for numerical methods in engineering (15-11-2020)“…Summary We propose a surrogate model for two‐scale computational homogenization of elastostatics at finite strains. The macroscopic constitutive law is made…”
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4
Modulation Theory for Radially Symmetric Kink Waves Governed by a Multi-Dimensional Sine-Gordon Equation
Published in Journal of nonlinear science (01-02-2023)“…We derive a modulation theory for the resolution of radially symmetric kink waves governed by a multi-dimensional sine-Gordon equation. Whitham modulation…”
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5
Variational framework for distance-minimizing method in data-driven computational mechanics
Published in Computer methods in applied mechanics and engineering (15-06-2020)“…A variational framework for the distance-minimizing data-driven computing method is proposed. We provide a mathematical view on data-driven boundary value…”
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6
Modified homogeneous balance method: Applications and new solutions
Published in Chaos, solitons and fractals (01-04-2015)“…This work is devoted to application of the modified homogeneous balance method to obtain generalized bilinear forms of some well-known soliton equations: the…”
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A two‐scale FE‐FFT approach to nonlinear magneto‐elasticity
Published in International journal for numerical methods in engineering (16-03-2019)“…Summary Fourier‐based approaches are a well‐established class of methods for the theoretical and computational characterization of microheterogeneous…”
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8
A numerical scheme and some theoretical aspects for the cylindrically and spherically symmetric sine-Gordon equations
Published in Communications in nonlinear science & numerical simulation (01-07-2016)“…•A predictor-corrector technique is proposed to numerically integrate the sine-Gordon equation for the ring-shaped solution.•A pseudo-analytical expression of…”
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A multiscale FE-FFT framework for electro-active materials at finite strains
Published in Computational mechanics (01-07-2019)“…The present work addresses the fast-Fourier-transform-based computational homogenization of electro-mechanically coupled materials at finite strains. While the…”
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10
Amplitude modulation of waves governed by Korteweg–de Vries equation
Published in International journal of engineering science (01-10-2014)“…Using the variational-asymptotic method we develop the theory of amplitude modulation of waves governed by Korteweg–de Vries (KdV) equation. Two asymptotic…”
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11
Soliton Solution of Good Boussinesq Equation
Published in Vietnam journal of mathematics (01-06-2016)“…Using Hirota’s direct bilinear method, we develop the soliton solution of the good Boussinesq equation. A mathematical justification of the solution formula is…”
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12
Wronskian Formulation and Ansatz Method for Bad Boussinesq Equation
Published in Vietnam journal of mathematics (01-09-2016)“…In this work, two variants of the bad Boussinesq equation are studied. A Wronskian formulation is constructed for the solutions of the first equation. Various…”
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13
An Artificial Neural Network Based Solution Scheme for Periodic Computational Homogenization of Electrostatic Problems
Published in Mathematical and computational applications (01-06-2019)“…The present work addresses a solution algorithm for homogenization problems based on an artificial neural network (ANN) discretization. The core idea is the…”
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14
Slope modulation of waves governed by sine–Gordon equation
Published in Communications in nonlinear science & numerical simulation (01-07-2013)“…► The equation of slope modulation is obtained by the variational-asymptotic method. ► A class of asymptotic solutions is found in terms of the density of…”
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15
A data-driven approach to nonlinear elasticity
Published in Computers & structures (01-01-2018)“…•The distance-minimizing data-driven method is extended for nonlinear elasticity.•Physical constraints are enforced by the use of Lagrange multipliers.•Insight…”
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16
A Timoshenko-Ehrenfest beam model for simulating Langevin transducer dynamics
Published in Applied mathematical modelling (01-07-2024)“…The Langevin transducer is a widely used power ultrasonic device across both medical and industrial applications, from orthopaedic surgery to drilling and…”
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17
An Artificial Neural Network based Solution Scheme to periodic Homogenization
Published in Proceedings in applied mathematics and mechanics (01-11-2019)“…Artificial neural networks (ANNs) have aroused research's and industry's interest due to their excellent approximation properties and are broadly used nowadays…”
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18
Slope modulation of waves governed by sineaGordon equation
Published in Communications in nonlinear science & numerical simulation (01-07-2013)“…Using the variational-asymptotic method we develop the theory of slope modulation of wave packet governed by sineaGordon equation. A class of asymptotic…”
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19
A variational framework for distance‐minimizing data‐driven method for linear elasticity
Published in Proceedings in applied mathematics and mechanics (01-12-2018)“…A variational framework for the distance‐minimizing data‐driven computing method is proposed based on the method of Lagrange multipliers. The data‐driven…”
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20
FFT‐based Homogenization in nonlinear Electroelasticity
Published in Proceedings in applied mathematics and mechanics (01-12-2018)“…Electroactive polymers (EAPs) are a group of materials that is able to respond with large strains to applied electric fields, making them candidates for…”
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