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检索条件"主题词=Ordinary state-based peridynamics"
24 条 记 录,以下是11-20 订阅
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state-based peridynamic modeling of fracture in J2-elastoplastic materials
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ENGINEERING WITH COMPUTERS 2025年 1-12页
作者: Pirzadeh, Atefeh Dalla Barba, Federico Sanavia, Lorenzo Zaccariotto, Mirco Galvanetto, Ugo Ctr Studies & Act Space CISAS G Colombo Via Venezia 15 I-35131 Padua Italy Univ Padua Ind Engn Dept Via Venezia 1 I-35131 Padua Italy Univ Padua Dept Civil Environm & Architectural Engn Via F Marzolo 9 I-35131 Padua Italy
This study presents an ordinary state-based peridynamic model for ductile fracture analysis in 2D and 3D based on the von Mises yield criterion with isotropic hardening. A fracture model based on the critical bond str... 详细信息
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Peridynamic investigation on crack propagation mechanism of rock mass during excavation of tunnel group in cold regions
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MECHANICS OF ADVANCED MATERIALS AND STRUCTURES 2024年 第14期31卷 3061-3076页
作者: Zhang, Jiming Guo, Li Southeast Univ Sch Civil Engn Dept Engn Mech Jiangsu Key Lab Engn Mech Nanjing Peoples R China
An extended ordinary state-based peridynamic model was developed to investigate the crack propagation of surrounding rock due to tunnel excavation. The frost heave effect on the crack surface was described by an equiv... 详细信息
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Elastoplastic peridynamic formulation for materials with isotropic and kinematic hardening
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ENGINEERING WITH COMPUTERS 2024年 第4期40卷 2063-2082页
作者: Pirzadeh, Atefeh Dalla Barba, Federico Bobaru, Florin Sanavia, Lorenzo Zaccariotto, Mirco Galvanetto, Ugo Ctr Studies & Act Space CISAS G Via Venezia 15 I-35131 Padua Italy Univ Padua Ind Engn Dept Via Venezia 1 I-35131 Padua Italy Univ Nebraska Lincoln Dept Mech & Mat Engn Lincoln NE 68588 USA Univ Padua Dept Civil Architectural & Environm Engn Via F Marzolo 9 Padua 35131 Italy
We present an ordinary state-based peridynamic model in 2D and 3D consistent with rate-independent J2 plasticity with associated flow rule. The new contribution is the capability of the elastoplastic law to describe i... 详细信息
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Peridynamic neural operators: A data-driven nonlocal constitutive model for complex material responses
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COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING 2024年 425卷
作者: Jafarzadeh, Siavash Silling, Stewart Liu, Ning Zhang, Zhongqiang Yu, Yue Lehigh Univ Dept Math Bethlehem PA 18015 USA Sandia Natl Labs Ctr Comp Res Albuquerque NM USA Global Engn & Mat Inc Princeton NJ USA Worcester Polytech Inst Dept Math Sci Worcester MA USA
Neural operators, which can act as implicit solution operators of hidden governing equations, have recently become popular tools for learning the responses of complex real -world physical systems. Nevertheless, most n... 详细信息
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A fully coupled thermo-mechanical peridynamic model for cracking analysis of frozen rocks
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COMPUTERS AND GEOTECHNICS 2023年 164卷
作者: Zhang, Jiming Guo, Li Southeast Univ Sch Civil Engn Dept Engn Mech Jiangsu Key Lab Engn Mech Nanjing 210096 Peoples R China
In cold regions, the crack propagation and coalescence behaviors of frozen rocks with ice-filled flaws are very complex. Research on the failure mechanisms of such rock masses is essential to ensure the structural saf... 详细信息
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Generalized plastic ordinary state-based peridynamic model with shear deformation of geomaterials
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ACTA GEOTECHNICA 2023年 第2期18卷 609-623页
作者: Zhou, Xiaoping Zhang, Ting Chongqing Univ Sch Civil Engn Chongqing 400045 Peoples R China
This article aims to propose a generalized plastic model in the ordinary state-based peridynamic framework to study the elastoplastic behaviors of geomaterials, in which the constitutive relationship is obtained by th... 详细信息
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ordinary state-based peri-ultrasound modeling for monitoring crack propagation in plate structures using sideband peak count-index technique
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JOURNAL OF SOUND AND VIBRATION 2024年 568卷
作者: Zhang, Guangdong Li, Xiongbing Li, Tianji Kundu, Tribikram Cent South Univ Sch Traff & Transportat Engn Changsha 410075 Hunan Peoples R China Univ Arizona Dept Civil & Architecture Engn & Mech Tucson AZ 85721 USA
This work presents a nonlocal theory based on ordinary state-based (OSB) peridynamics for numerical modeling of crack propagation under loadings and peri-ultrasound modeling for elastic wave propagation that interacts... 详细信息
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An axisymmetric ordinary state-based peridynamic model for thermal cracking of linear elastic solids
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THEORETICAL AND APPLIED FRACTURE MECHANICS 2021年 112卷 102888-102888页
作者: Yang, Zhihui Zhang, Yong Qiao, Pizhong Shanghai Jiao Tong Univ Sch Naval Architecture Ocean & Civil Engn State Key Lab Ocean Engn Shanghai 200240 Peoples R China Zhejiang Univ Dept Engn Mech Zheda Rd 38 Hangzhou 310027 Zhejiang Peoples R China Washington State Univ Dept Civil & Environm Engn Sloan Hall 117 Pullman WA 99164 USA
This paper proposes an axisymmetric ordinary state-based peridynamic model considering the thermal expansion effect for temperature-induced cracking of linear elastic solids. Both the force state and bond failure crit... 详细信息
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Morphological characteristics of crack branching in asphalt mixtures under compression
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ENGINEERING FRACTURE MECHANICS 2021年 253卷 107884-107884页
作者: Li Ruan Luo, Rong Wang, Biao Yu, Xiaohe Wuhan Univ Technol Sch Transportat Hubei Highway Engn Res Ctr 1178 Heping Ave Wuhan 430063 Hubei Peoples R China
Crack branching is a multi-crack propagation problem. Singular crack tip elements are frequently encountered, and defining the multi-crack tips' enrichment functions is difficult. To overcome these drawbacks, this... 详细信息
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An improved ordinary-state based peridynamic formulation for modeling FGMs with sharp interface transitions
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INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 2021年 197卷 106322-106322页
作者: Rahimi, Mohammad Naqib Kefal, Adnan Yildiz, Mehmet Sabanci Univ Fac Engn & Nat Sci TR-34956 Istanbul Turkey Sabanci Univ Integrated Mfg Technol Res & Applicat Ctr TR-34956 Istanbul Turkey Sabanci Univ Kordsa Composite Technol Ctr Excellence Istanbul Technol Dev Zone TR-34906 Istanbul Turkey
This study proposes an enhanced formulation of ordinary-state based peridynamic which can model functionally graded materials (FGMs) with sharp jumps in material properties through introducing a novel peridynamic para... 详细信息
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