activity
20182023
most citedData-driven learning of robust nonlocal physics from high-fidelity synthetic data

73 citations · 253 across the 29 of their papers we have counts for

collaborators

30 papers

cond-mat.mtrl-sci2023

Towards a unified nonlocal, peridynamics framework for the coarse-graining of molecular dynamics data with fractures

Huaiqian You, Xiao Xu, Yue Yu +3

Molecular dynamics (MD) has served as a powerful tool for designing materials with reduced reliance on laboratory testing. However, the use of MD directly to treat the deformation…

math.NA2022★ 1 cited

OBMeshfree: An optimization-based meshfree solver for nonlocal diffusion and peridynamics models

Yiming Fan, Huaiqian You, Yue Yu

We present OBMeshfree, an Optimization-Based Meshfree solver for compactly supported nonlocal integro-differential equations (IDEs) that can describe material heterogeneity and bri…

cond-mat.mtrl-sci2022

Bayesian Nonlocal Operator Regression (BNOR): A Data-Driven Learning Framework of Nonlocal Models with Uncertainty Quantification

Yiming Fan, Marta D'Elia, Yue Yu +2

We consider the problem of modeling heterogeneous materials where micro-scale dynamics and interactions affect global behavior. In the presence of heterogeneities in material micro…

math.NA2022

Hybrid mixed discontinuous Galerkin finite element method for incompressible wormhole propagation problem

Jiansong Zhang, Yun Yu, Jiang Zhu +2

Wormhole propagation plays a very important role in the product enhancement of oil and gas reservoir. A new combined hybrid mixed finite element method is proposed to solve incompr…

math.NA2022

Hybrid mixed discontinuous Galerkin finite element method for incompressible miscible displacement problem

Jiansong Zhang, Yun Yu, Jiang Zhu +3

A new hybrid mixed discontinuous Galerkin finite element (HMDGFE) method is constructed for incompressible miscible displacement problem. In this method, the hybrid mixed finite el…

math.NA2022

Unified Implementation of Finite Element Methods involving Jumps and Averages in Matlab

Yue Yu

We provide unified implementations of the finite element methods involving jumps and averages in Maltab by combing the use of the software package varFEM, including the adaptive fi…

math.NA2022

varFEM: variational formulation based programming for finite element methods in Matlab

Yue Yu

This paper summarizes the development of varFEM, which provides a realization of the programming style in FreeFEM by using the Matlab language.

math.DS2022

The Sparse-Grid-Based Adaptive Spectral Koopman Method

Bian Li, Yue Yu, Xiu Yang

The adaptive spectral Koopman (ASK) method was introduced to numerically solve autonomous dynamical systems that lay the foundation of numerous applications across different fields…

stat.ML2022★ 3 cited

Nonparametric learning of kernels in nonlocal operators

Fei Lu, Qingci An, Yue Yu

Nonlocal operators with integral kernels have become a popular tool for designing solution maps between function spaces, due to their efficiency in representing long-range dependen…

math.NA2022★ 8 cited

mVEM: A MATLAB Software Package for the Virtual Element Methods

Yue Yu

This paper summarizes the development of mVEM, a MATLAB software package containing efficient and easy-following codes for various virtual element methods (VEMs) published in the l…

cond-mat.mtrl-sci2022★ 29 cited

A Meshfree Peridynamic Model for Brittle Fracture in Randomly Heterogeneous Materials

Yiming Fan, Huaiqian You, Xiaochuan Tian +4

In this work we aim to develop a unified mathematical framework and a reliable computational approach to model the brittle fracture in heterogeneous materials with variability in m…

math.NA2022★ 21 cited

Time complexity analysis of quantum difference methods for linear high dimensional and multiscale partial differential equations

Shi Jin, Nana Liu, Yue Yu

We investigate time complexities of finite difference methods for solving the high-dimensional linear heat equation, the high-dimensional linear hyperbolic equation and the multisc…

math.NA2022

A novel locking-free virtual element method for linear elasticity problems

Jianguo Huang, Sen Lin, Yue Yu

This paper devises a novel lowest-order conforming virtual element method (VEM) for planar linear elasticity with the pure displacement/traction boundary condition. The main trick…

math.NA2021

A lowest-order locking-free nonconforming virtual element method based on the reduced integration technique for linear elasticity problems

Yue Yu

We develop a lowest-order nonconforming virtual element method for planar linear elasticity, which can be viewed as an extension of the idea in Falk (1991) to the virtual element m…

math.NA2021★ 18 cited

An asymptotically compatible probabilistic collocation method for randomly heterogeneous nonlocal problems

Yiming Fan, Xiaochuan Tian, Xiu Yang +3

In this paper we present an asymptotically compatible meshfree method for solving nonlocal equations with random coefficients, describing diffusion in heterogeneous media. In parti…

math.AP2021★ 3 cited

Nonlocal Trace Spaces and Extension Results for Nonlocal Calculus

Qiang Du, Xiaochuan Tian, Cory Wright +1

For a given Lipschitz domain , it is a classical result that the trace space of is , namely any function has a well-defined $W^…

math.NA2021

On the prescription of boundary conditions for nonlocal Poisson's and peridynamics models

Marta D'Elia, Yue Yu

We introduce a technique to automatically convert local boundary conditions into nonlocal volume constraints for nonlocal Poisson's and peridynamic models. The proposed strategy is…

math.AP2021

Convergence Analysis and Numerical Studies for Linearly Elastic Peridynamics with Dirichlet-Type Boundary Conditions

Mikil Foss, Petronela Radu, Yue Yu

The nonlocal models of peridynamics have successfully predicted fractures and deformations for a variety of materials. In contrast to local mechanics, peridynamic boundary conditio…

cond-mat.soft2021

Size-Sieving Separation of Hard-Sphere Mixtures through Cylindrical Pores

Yue Yu, Kai Zhang

The collision dynamics of hard spheres and cylindrical pores is solved exactly, which is the minimal model for a regularly porous membrane. Nonequilibrium event-driven molecular dy…

math.NA2021★ 34 cited

An asymptotically compatible treatment of traction loading in linearly elastic peridynamic fracture

Yue Yu, Huaiqian You, Nathaniel Trask

Meshfree discretizations of state-based peridynamic models are attractive due to their ability to naturally describe fracture of general materials. However, two factors conspire to…

math.NA2021

A sparse grid discrete ordinate discontinuous Galerkin method for the radiative transfer equation

Jianguo Huang, Yue Yu

The radiative transfer equation is a fundamental equation in transport theory and applications, which is a 5-dimensional PDE in the stationary one-velocity case, leading to great d…

cs.LG2020★ 3 cited

Data-driven learning of nonlocal models: from high-fidelity simulations to constitutive laws

Huaiqian You, Yue Yu, Stewart Silling +1

We show that machine learning can improve the accuracy of simulations of stress waves in one-dimensional composite materials. We propose a data-driven technique to learn nonlocal c…

math.OC2020★ 73 cited

Data-driven learning of robust nonlocal physics from high-fidelity synthetic data

Huaiqian You, Yue Yu, Nathaniel Trask +2

A key challenge to nonlocal models is the analytical complexity of deriving them from first principles, and frequently their use is justified a posteriori. In this work we extract…

math.AP2019★ 12 cited

A review of Local-to-Nonlocal coupling methods in nonlocal diffusion and nonlocal mechanics

Marta D'Elia, Xingjie Li, Pablo Seleson +2

Local-to-Nonlocal (LtN) coupling refers to a class of methods aimed at combining nonlocal and local modeling descriptions of a given system into a unified coupled representation. T…