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Browsing Fakultät für Maschinenbau by Author "6456105d-b652-4127-a02f-beec1d5ea21b"

Now showing items 1-16 of 16

Adaptive phase field simulation of quasi-static crack propagation in rocks

Zhou, Shuwei; Zhuang, Xiaoying (Amsterdam : Elsevier, 2018)

In this study, we present an adaptive phase field method (APFM) for modeling quasi-static crack propagation in rocks. Crack initiation due to positive strains is considered, and a numerical simulation is implemented using ...
Characterizing flexoelectricity in composite material using the element-free Galerkin method

He, Bo; Javvaji, Brahmanandam; Zhuang, Xiaoying (Basel : MDPI AG, 2019)

This study employs the Element-Free Galerkin method (EFG) to characterize flexoelectricity in a composite material. The presence of the strain gradient term in the Partial Differential Equations (PDEs) requires C 1 continuity ...
Computational Machine Learning Representation for the Flexoelectricity Effect in Truncated Pyramid Structures

Hamdia, Khader M.; Ghasemi, Hamid; Zhuang, Xiaoying; Alajlan, Naif; Rabczuk, Timon (Henderson : Tech Science Press, 2019)

In this study, machine learning representation is introduced to evaluate the flexoelectricity effect in truncated pyramid nanostructure under compression. A Non-Uniform Rational B-spline (NURBS) based IGA formulation is ...
Cracking Elements Method for Simulating Complex Crack Growth

Sun, Zizheng; Zhuang, Xiaoying; Zhang, Yiming (Ahvaz : Shahid Chamran University of Ahvaz, 2019)

The cracking elements method (CEM) is a novel numerical approach for simulating fracture of quasi-brittle materials. This method is built in the framework of conventional finite element method (FEM) based on standard ...
Effective properties of composites with periodic random packing of ellipsoids

Zhuang, Xiaoying; Wang, Qing; Zhu, Hehua (Basel : MDPI AG, 2017)

The aim of this paper is to evaluate the effective properties of composite materials with periodic random packing of ellipsoids of different volume fractions and aspect ratios. Therefore, we employ computational homogenization. ...
Efficient machine-learning based interatomic potentialsfor exploring thermal conductivity in two-dimensional materials

Mortazavi, Bohayra; Podryabinkin, Evgeny V.; Novikov, Ivan S.; Roche, Stephan; Rabczuk, Timon; Zhuang, Xiaoying; Shapeev, Alexander V. (Bristol : IOP Publishing, 2020)

It is well-known that the calculation of thermal conductivity using classical molecular dynamics (MD) simulations strongly depends on the choice of the appropriate interatomic potentials. As proven for the case of graphene, ...
The interaction between microcapsules with different sizes and propagating cracks

Zhuang, Xiaoying; Nguyen-Xuan, Hung; Zhou, Shuai (Encino, Calif. : Tech Science Press, 2021)

The microcapsule-contained self-healing materials are appealing since they can heal the cracks automatically and be effective for a long time. Although many experiments have been carried out, the influence of the size of ...
Introduction to the special issue on recent developments of peridynamics

Zhang, Qing; Wang, Jianxiang; Zhuang, Xiaoying (Henderson, Nevada : Tech Science Press, 2019)

[No abstract available]
Investigations on the mechanism of microweld changes during ultrasonic wire bonding by molecular dynamics simulation

Long, Yangyang; He, Bo; Cui, Weizhe; Ji, Yuhang; Zhuang, Xiaoying.; Twiefel, Jens (Amsterdam : Elsevier Ltd, 2020)

Despite the wide and long-term applications of ultrasonic (US) wire bonding and other US metal joining technologies, the mechanism of microweld changes during the bonding process, including formation, deformation and ...
Micromechanical study of loading rate effects between a hole and a crack

Zhou, Shuai; Zhuang, Xiaoying (Amsterdam : Elsevier, 2019)

The interactions between defects are important in rocks. The micromechanical interactions between a circular hole and a pre-existing crack under uniaxial compression with different loading rates are investigated by the ...
Modeling hydraulic cracks and inclusion interaction using XFEM

He, Bo; Zhuang, Xiaoying (Amsterdam : Elsevier, 2018)

In this study, we employ a coupled hydromechanical model to study the hydraulic fracture propagation path in porous media under the influence of existing pressurized voids. The hydraulic fracturing field study reveals that ...
Molecular dynamics study of an amorphous polyethylene/silica interface with shear tests

Zhuang, Xiaoying; Zhou, Shuai (Basel : MDPI AG, 2018)

An amorphous polyethylene/silica (PE/S) interface exists in many materials. However, the research of the interfacial properties at microscale is lacking. Shear failure and adhesion properties of an amorphous PE/S interface ...
A Nonlocal Operator Method for Partial Differential Equations with Application to Electromagnetic Waveguide Problem

Rabczuk, Timon; Ren, Huilong; Zhuang, Xiaoying (Henderson : Tech Science Press, 2019)

A novel nonlocal operator theory based on the variational principle is proposed for the solution of partial differential equations. Common differential operators as well as the variational forms are defined within the ...
Nonlocal strong forms of thin plate, gradient elasticity, magneto-electro-elasticity and phase-field fracture by nonlocal operator method

Ren, Huilong; Zhuang, Xiaoying; Oterkus, Erkan; Zhu, Hehua; Rabczuk, Timon (London : Springer, 2021)

The derivation of nonlocal strong forms for many physical problems remains cumbersome in traditional methods. In this paper, we apply the variational principle/weighted residual method based on nonlocal operator method for ...
The Prediction of Self-Healing Capacity of Bacteria-Based Concrete Using Machine Learning Approaches

Zhuang, Xiaoying; Zhou, Shuai (Henderson : Tech Science Press, 2019)

Advances in machine learning (ML) methods are important in industrial engineering and attract great attention in recent years. However, a comprehensive comparative study of the most advanced ML algorithms is lacking. Six ...
Two-dimensional SiP, SiAs, GeP and GeAs as promising candidates for photocatalytic applications

Mortazavi, Bohayra; Shahrokhi, Masoud; Cuniberti, Gianaurelio; Zhuang, Xiaoying (Basel : MDPI AG, 2019)

Group IV-V-type layered materials, such as SiP, SiAs, GeP and GeAs, are among the most attractive two-dimensional (2D) materials that exhibit anisotropic mechanical, optical and transport properties. In this short ...

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Browsing Fakultät für Maschinenbau by Author "6456105d-b652-4127-a02f-beec1d5ea21b"

Browsing Fakultät für Maschinenbau by Author "6456105d-b652-4127-a02f-beec1d5ea21b"

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