Xiao Peng Yan

Taiyuan University of Technology

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i-10 index

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Gui Tong Yang

Taiyuan University of Technology

Nian Mei Zhang

University of Chinese Academy of Sciences

Zhihua Wang

Ningxia Medical University

Li Jun Zhang

Beijing Anzhen Hospital

Yong Gang Zhao

Sinopec (China)

Wei Hong

Southeast University

Guo Yun Lu

Taiyuan University of Technology

Hong Wei

Xi'an University of Technology

LU Fang-yun

National University of Defense Technology

Yong Gang Bao

University of Chinese Academy of Sciences

Cooperative Institutions

Taiyuan University of Technology

Central South University

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Sichuan University

Ningxia Medical University

Huazhong University of Science and Technology

Tongji Hospital

Shenyang Aerospace University

China Institute of Atomic Energy

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Research Field

Dynamic behaviors of hot-rolled steel beams under drop weight impact loading

Jianzhu jiegou xuebao (2011)

Xiao Peng Yan

Catenary

Flange

Axial symmetry

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Citations (5)

Analysis of Dynamic Behaviors and Ductility of Steel Moment Frame Connections

Xiao Peng Yan

Three different types of connections(dog-bone connection,bolted end-plate connection and T-stub connection) were analyzed using finite element software-ABAQUS.The dynamic behavior of connections following the column damage during progressive collapse were concluded through the analysis of load-rotation relationship when different impact loads were applied.The results showed that the forming of catenry mechanism failed during the process of progressive collapse when sufferring from impact load.And the reduced flange and bolts were the weakest parts of beam-column connections.Meanwhile,ductility method was suggested assessing the behaivor of connections.Defining the rate of ultimate rotaion capacity under impact load(θmax) and rotation that began to form catenry(θc) as the ductility of connection.When the rate greater than 1.0,it suggested that the connection had the ability to develop catenry and the higher the rate is,the higher the security reserve capacity of the structure.This method could be used to design structures of anti-collapse economiclly and properly.

Flange

Progressive Collapse

Ductility (Earth science)

Stub (electronics)

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Citations (1)

Analysis on Perforation of Cone-Nose Projectile to Composite Laminated Aluminum Foam Target

Applied Mechanics and Materials (2010)

Yong Gang Bao Nian Mei Zhang Xiao Peng Yan Gui Tong Yang

The perforation of composite laminated aluminum foam target against rigid projectiles is studied. The dynamic cavity expansion theory is applied to formulate analytical model and study the perforation resistance of the projectiles. The perforation process can be divided into 11 stages. The perforation resistance expression is derived and applied to analyze the penetration depth of cone-nosed projectiles into the aluminum foam target. The velocity limit and residual velocity are obtained by solving the series of motion equations. The effects of initial velocity, the half-cone angle of the projectile, the density and thickness of each layer on the penetration resistance are investigated. The energy absorption capacity of the composite target material is evaluated.

Ballistic limit

Perforation

Penetration (warfare)

Ballistics

10.4028/www.scientific.net/amm.29-32.1844

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Citations (0)

Counterintuitive Dynamic Behavior in Elastic-Plastic Structures

Advanced materials research (2012)

Yong Gang Zhao Xiao Peng Yan Gui Tong Yang

The counterintuitive phenomena of elastic, perfectly plastic beam, circular plate and square plate are investigated numerically and experimentally. A new unstable slot and asymmetry of dynamic response of beam are revealed. The unsteady areas and uncertainty of response are observed numerically. At the end, the law of thermodynamics and the theorem of Lyapunov instability are employed to state the formation mechanism of counterintuitive behavior.

Counterintuitive

Square (algebra)

Elastic instability

10.4028/www.scientific.net/amr.428.47

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Citations (3)

Experimental Study on the Dynamic Splitting Tensile Behaviour of Concrete

Key engineering materials (2006)

Li Jun Zhang Xiao Peng Yan Zhihua Wang Hong Wei

Many structures and buildings such as nuclear power station and chemical plant are often subjected to impact and explosive loadings. The understanding of material response to highamplitude, short-duration, impulse loads is very important, dynamic behavior of concrete under high strain rate has been paid much attention to. In the present paper, experimental study on the dynamic tension behavior of concrete is carried out. Based on the former theoretical introduction, dynamic splitting tensile tests at different strain rates are conducted on 74mm diameter concrete specimens in a Split Hopkinson Pressure Bar to study the effect of strain rate on the dynamic tension behavior of concrete. The mechanism and speed of crack propagation of concrete cylinder planar surface in dynamic splitting tensile test are discussed briefly.

Dynamic Tension

Split Hopkinson Pressure Bar

Bar (unit)

Dynamic testing

Tension (geology)

Tensile testing

Dynamic load testing

Dynamic stress

10.4028/www.scientific.net/kem.326-328.1543

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Citations (4)

The Influence of First Order Shear Deformation on Dynamic Buckling of Composite Bar

Applied Mechanics and Materials (2015)

Long Fei Wang Zhi Jun Han Xiao Peng Yan Guo Yun Lu

Taking stress wave propagation into account, the governing equations of composite bar with the clamped-fixed boundary conditions considering FSDT (first order shear deformation theory) are derived on the basis of Reddy’ theory and solved by the variable-separated method. The analytic expression of the critical buckling load is obtained basing on the characteristics of homogeneous linear equations having nonzero-solution. The results of the theoretical study and the numerical calculation indicate that FSDT has influence on dynamic buckling of composite bar, and the critical buckling load is small when FSDT is considered. They also show that the magnitude of effect taken by FSDT is small when the layer angle is big.

Bar (unit)

Critical load

10.4028/www.scientific.net/amm.751.195

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Citations (1)

Dynamic Behavior of Reactive Powder Concrete in Split Hopkinson Pressure Bar Testing

Natural Science Journal of Xiangtan University (2006)

Zhengyu Huang Yan Wang Xiao Peng Yan LU Fang-yun

Dynamic Behavior of reactive powder concrete(RPC) is studied by using a split Hopkinson pressure bar.At static state and dynamic state with different impact velocities,a series of compress tests of plain RPC,RPC containing polypropylenefiber and RPC containing steel fiber were carried out.The influence of transverse confinement on dynamic behavior was also studied.From the tests,dynamic compression strengths and the curves of stress-strain history of specimens under different strain rates wereobtained.The dynamic increase factors of specimens were obtained by comparing the dynamic compression strengths with the static one.

Split Hopkinson Pressure Bar

Dynamic range compression

Bar (unit)

Dynamic testing

Dynamic stress

Dynamic pressure

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Citations (10)

Experimental Study on the Dynamic Splitting Tensile Behaviour of Concrete

Key engineering materials (2006)

Li Jun Zhang Xiao Peng Yan Zhihua Wang Wei Hong

10.4028/0-87849-415-4.1543

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Citations (0)

Mechanical Behaviours of Open-Cell and Closed-Cell Aluminium Foams against Spherical-Nosed Projectile Penetration

Applied Mechanics and Materials (2010)

Xiao Peng Yan Nian Mei Zhang Wei Liang Yong Gang Zhao Gui Tong Yang

In this paper, the mechanical behaviours of open-cell and closed-cell aluminium foams against spherical-nosed projectile penetration are studied theoretically. An analytical model based on dynamic cavity expansion theory and previous experiment data is presented. The analytical equations are derived for the penetration resistance and the final penetration depth during the whole penetrating process. The effects of the mass density of target material, the geometry and initial velocity of the projectiles on the final penetration depth are investigated in detail. It is shown that the final penetration depth mostly lie on the density of aluminium foams and the kinetic energy of projectile. When the density of target is smaller, the final penetration depth of projectile in the closed-cell aluminium foams target is obviously smaller than that in the open-cell aluminium foams target. Meanwhile, with the increase of density of target and the decrease of initial impact velocity, the difference of the capacity of absorbing energy between open-cell and closed-cell aluminium foams targets becomes gradually narrow.

Penetration (warfare)

10.4028/www.scientific.net/amm.29-32.321

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Citations (1)

Penetration of Cone-Nose Projectile to the Laminated Composite Aluminum Alloy Foam Target

Advanced materials research (2010)

Feng Huan Sha Nian Mei Zhang Xiao Peng Yan Gui Tong Yang

A theoretical study is presented herein on the penetration of the laminated composite aluminum alloy foam target struck normally by conical-nosed projectiles. Two layers were arranged according to the density of the respective foam; configuration 1 consisted of 10mm/semi-infinite continuous foams and configuration 2 consisted of 20mm/ semi-infinite continuous foams. The dynamic cavity expansion theory is applied to formulate analytical model. The penetrating process can be divided into 6 stages. The resistance equations during every stage are derived. Penetrating depth of projectile are analyzed. The effect of initial velocity, mass density of foam material and the thickness of the upper layered foam on the penetration resistance are investigated. It is found that composite target have a higher penetrating resistance than the monolithic foam material target of equal mass. The analytical results show that configuration 1 outperformed configuration 2 in regards to their penetrating resistance. The thickness of the upper layered foam within 5-20mm has significant influence on penetrating depth. The energy absorption capacity of the composite target material is evaluated.

Penetration (warfare)

Aluminium foam sandwich

10.4028/www.scientific.net/amr.97-101.913

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Citations (0)