Wave dispersion analysis and simulation method for concrete SHPB test in peridynamics
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- 作者：Xin Gu guxinlx1010@hhu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Qing Zhang ; lxzhangqing@hhu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Dan Huang ; Yangtian Yv
- 关键词：Peridynamics ; Split Hopkinson Pressure Bar (SHPB) ; Wave dispersion ; Concrete Brazilian disc ; Impact failure
- 刊名：Engineering Fracture Mechanics
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：160
- 期：Complete
- 页码：124-137
- 全文大小：2725 K
文摘
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A systematic peridynamics (PD) simulation method for SHPB test is proposed.
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Elastic wave dispersion in bond-based PD is analyzed analytically and numerically.
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Influence of two PMB constitutive models on the wave dispersion in PD is compared.
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Contact-impact algorithm is implemented, and two impact loading methods are compared.
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Damage evolution and dynamic fracture of concrete Brazilian disc in SHPB is analyzed.