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Featured researches published by Ma Tianbao.


Chinese Physics Letters | 2014

A Pseudo Arc-Length Method for Numerical Simulation of Shock Waves

Wang Xing; Ma Tianbao; Ning Jian-guo

A pseudo arc-length method is proposed for the numerical simulation of shock wave propagations. This method passes the discontinuities and establishes adaptive moving meshes in the physical space by introducing the arc-length parameter and transforming the computational domain. Numerical experiments of the Sod problem, double Mach reflection problem and explosion problem demonstrate that this approach is more efficient than traditional numerical methods in capturing and tracking discontinuous solutions of singular or nearly singular problems.


SCIENTIA SINICA Technologica | 2016

Constitutive model, failure mechanism andnumerical method for reinforced concrete under intensive impact loading

Ning Jian-guo; Zhou Fenghua; Wang ZhiHua; Ma Tianbao

Reinforced concrete has been widely used in the field of civil engineering, and the dynamic mechanical behavior of reinforce concrete under intensive dynamic loading is also a very important requirement for national security. However, the characteristics of its heterogeneity, anisotropy and multicomponent bring many difficulties to the study of its dynamic characteristics. Research progress of mechanical behavior of the reinforced concretes under intensive impact loading were reviewed in this paper, including: 1) the dynamical properties and the macrosopic constitutive laws of the reinforced concretes; 2) mechanisms of the penetration of the reinforced concrete structures; 3) numerical simulation method and software of structural mechanical behavior under intensive impact loading. On this basis, the inadequacy of the research which including the dynamic characteristics, penetration mechanism and numerical methods of the reinforced concretes under intensive impact loading were analyzed, and the further in-depth research work need to do in the future was prospected.


SCIENTIA SINICA Technologica | 2016

Numerical study on mass loss of high velocitypenetration projectiles due to melting

Ma Tianbao; Wang ZhiHua

Based on the Eulerian hydrocode MMIC-2D for explosion and impact problems, both particle mapping method and mass loss model based on heat-melting theory are implanted. High velocity projectiles penetrating into concrete targets are numerically simulated with MMIC-2D. The simulation results are compared with related experimental data, and factors affecting the penetration effect and mass loss of the projectile such as penetration velocity and CRH value are studied.


Cmes-computer Modeling in Engineering & Sciences | 2008

Multi-material Eulerian Formulations and Hydrocode for the Simulation of Explosions

Ma Tianbao; Wang Cheng; Ning Jianguo


Science China-technological Sciences | 2016

Study on dynamic response of multi-body structure under explosive driving

Zhao Yuzhe; Ma Tianbao; Li Jian; Ning Jian-guo


Archive | 2015

Method for positioning acoustic emission source by using acoustic emission signal energy

Ren Huilan; Ning Jian-guo; Ma Tianbao; Chang Zhisheng


Archive | 2015

Method for predicating critical instability of brittle material through using energy characteristic value of acoustic emission signal

Ning Jian-guo; Ren Huilan; Ma Tianbao; Wang Zonglian


Archive | 2013

Three-dimensional flow line illumination method for enhancing spatial awareness

Zhang Wenyao; Pei Yuezhu; Ma Tianbao; Ning Jian-guo


Archive | 2013

Particle evaluation method for damage effect of fragments on structure of spacecraft

Ma Tianbao; Ning Jian-guo; Wang Cheng; Ren Huilan; Song Weidong


Zhongguo Kexue. Jishu Kexue | 2016

強い衝撃荷重の下での鉄筋コンクリートの構成関係を破壊機構と数値方法【JST・京大機械翻訳】

Ning Jian-guo; Zhou Fenghua; Wang Zhihua; Ma Tianbao

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Ning Jian-guo

Beijing Institute of Technology

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Ren Huilan

Beijing Institute of Technology

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Zhao Yuzhe

Beijing Institute of Technology

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Wang Cheng

Beijing Institute of Technology

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Wang ZhiHua

Taiyuan University of Technology

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Song Weidong

Beijing Institute of Technology

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