{"title":"重构介观围动力模型中的钢纤维加固混凝土梁数值建模与失效分析","authors":"","doi":"10.1016/j.enganabound.2024.105993","DOIUrl":null,"url":null,"abstract":"<div><div>This paper introduces a mesoscopic peridynamic model aimed at predicting and analyzing the failure of steel fiber-reinforced concrete within the framework of ordinary state-based peridynamics. This model incorporates additional interface force terms to handle substantial differences in component sizes between the fibers and concrete matrix, as well as the intricate behavior at the interface. These terms facilitate the representation of bond and frictional forces based on experimental data and empirical formulas. Additionally, it allows for non-uniform discretization of fiber-matrix interactions to improve computational efficiency. Several typical numerical examples performed by the proposed model closely align with experimental data in terms of bonding and slip behavior at the interface, crack patterns, and p-crack mouth open displacement (P-CMOD) curves, demonstrating the rationality and applicability of the model for numerical analysis on deformation and failure of steel fiber-reinforced concrete.</div></div>","PeriodicalId":51039,"journal":{"name":"Engineering Analysis with Boundary Elements","volume":null,"pages":null},"PeriodicalIF":4.2000,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Numerical modeling and failure analysis of steel fiber-reinforced concrete beams in a reformulated mesoscopic peridynamic model\",\"authors\":\"\",\"doi\":\"10.1016/j.enganabound.2024.105993\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This paper introduces a mesoscopic peridynamic model aimed at predicting and analyzing the failure of steel fiber-reinforced concrete within the framework of ordinary state-based peridynamics. This model incorporates additional interface force terms to handle substantial differences in component sizes between the fibers and concrete matrix, as well as the intricate behavior at the interface. These terms facilitate the representation of bond and frictional forces based on experimental data and empirical formulas. Additionally, it allows for non-uniform discretization of fiber-matrix interactions to improve computational efficiency. Several typical numerical examples performed by the proposed model closely align with experimental data in terms of bonding and slip behavior at the interface, crack patterns, and p-crack mouth open displacement (P-CMOD) curves, demonstrating the rationality and applicability of the model for numerical analysis on deformation and failure of steel fiber-reinforced concrete.</div></div>\",\"PeriodicalId\":51039,\"journal\":{\"name\":\"Engineering Analysis with Boundary Elements\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.2000,\"publicationDate\":\"2024-10-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Engineering Analysis with Boundary Elements\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0955799724004661\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Engineering Analysis with Boundary Elements","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0955799724004661","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, MULTIDISCIPLINARY","Score":null,"Total":0}
Numerical modeling and failure analysis of steel fiber-reinforced concrete beams in a reformulated mesoscopic peridynamic model
This paper introduces a mesoscopic peridynamic model aimed at predicting and analyzing the failure of steel fiber-reinforced concrete within the framework of ordinary state-based peridynamics. This model incorporates additional interface force terms to handle substantial differences in component sizes between the fibers and concrete matrix, as well as the intricate behavior at the interface. These terms facilitate the representation of bond and frictional forces based on experimental data and empirical formulas. Additionally, it allows for non-uniform discretization of fiber-matrix interactions to improve computational efficiency. Several typical numerical examples performed by the proposed model closely align with experimental data in terms of bonding and slip behavior at the interface, crack patterns, and p-crack mouth open displacement (P-CMOD) curves, demonstrating the rationality and applicability of the model for numerical analysis on deformation and failure of steel fiber-reinforced concrete.
期刊介绍:
This journal is specifically dedicated to the dissemination of the latest developments of new engineering analysis techniques using boundary elements and other mesh reduction methods.
Boundary element (BEM) and mesh reduction methods (MRM) are very active areas of research with the techniques being applied to solve increasingly complex problems. The journal stresses the importance of these applications as well as their computational aspects, reliability and robustness.
The main criteria for publication will be the originality of the work being reported, its potential usefulness and applications of the methods to new fields.
In addition to regular issues, the journal publishes a series of special issues dealing with specific areas of current research.
The journal has, for many years, provided a channel of communication between academics and industrial researchers working in mesh reduction methods
Fields Covered:
• Boundary Element Methods (BEM)
• Mesh Reduction Methods (MRM)
• Meshless Methods
• Integral Equations
• Applications of BEM/MRM in Engineering
• Numerical Methods related to BEM/MRM
• Computational Techniques
• Combination of Different Methods
• Advanced Formulations.