Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001903
Shuai Cong, Sau-Lon James Hu, Huajun Li
AbstractThis study proposes iterative methods for updating damping and stiffness matrices of a finite-element model based on measured complex eigenvalues, i.e., poles, which could have been obtaine...
摘要本文提出了一种基于复特征值(即极点)的有限元模型阻尼矩阵和刚度矩阵的迭代更新方法。
{"title":"Model Updating Methods Using Complex Eigenvalues: Sensitivity-Based versus Cross-Model Cross-Mode","authors":"Shuai Cong, Sau-Lon James Hu, Huajun Li","doi":"10.1061/(ASCE)EM.1943-7889.0001903","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001903","url":null,"abstract":"AbstractThis study proposes iterative methods for updating damping and stiffness matrices of a finite-element model based on measured complex eigenvalues, i.e., poles, which could have been obtaine...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117277184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001915
Hesham Elhuni, D. Basu
AbstractA nonlinear dynamic framework for the analysis of beam–foundation interaction is developed. The extended Hamilton’s principle is used to analyze the response of Euler–Bernoulli beams vibrat...
{"title":"Novel Nonlinear Dynamic Beam–Foundation Interaction Model","authors":"Hesham Elhuni, D. Basu","doi":"10.1061/(ASCE)EM.1943-7889.0001915","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001915","url":null,"abstract":"AbstractA nonlinear dynamic framework for the analysis of beam–foundation interaction is developed. The extended Hamilton’s principle is used to analyze the response of Euler–Bernoulli beams vibrat...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130786357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001912
Zhaofei Chu, Zhijun Wu, Quansheng Liu, Baoguo Liu, Jinglai Sun
AbstractTunneling stoppage often occurs during tunnel construction, especially in weak and rheological ground. The discontinuous excavation caused by the stoppage usually has a certain impact on th...
{"title":"Analytical Solution for Lined Circular Tunnels in Deep Viscoelastic Burgers Rock Considering the Longitudinal Discontinuous Excavation and Sequential Installation of Liners","authors":"Zhaofei Chu, Zhijun Wu, Quansheng Liu, Baoguo Liu, Jinglai Sun","doi":"10.1061/(ASCE)EM.1943-7889.0001912","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001912","url":null,"abstract":"AbstractTunneling stoppage often occurs during tunnel construction, especially in weak and rheological ground. The discontinuous excavation caused by the stoppage usually has a certain impact on th...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114913586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001904
Xihaier Luo, A. Kareem
AbstractFluctuating surface pressures on a bluff body exposed to a boundary layer flow generally are characterized as a spatiotemporally varying random field. In this paper, a dynamic mode decompos...
摘要钝体表面压力的变化通常表现为一个时空变化的随机场。本文采用一种动态模式分解…
{"title":"Dynamic Mode Decomposition of Random Pressure Fields over Bluff Bodies","authors":"Xihaier Luo, A. Kareem","doi":"10.1061/(ASCE)EM.1943-7889.0001904","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001904","url":null,"abstract":"AbstractFluctuating surface pressures on a bluff body exposed to a boundary layer flow generally are characterized as a spatiotemporally varying random field. In this paper, a dynamic mode decompos...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"18 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129189283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001902
N. Makris, X. Palios, Gholamreza Moghimi, S. Bousias
AbstractThis paper presents the development, testing, and characterization of an innovative low-cost fail-safe sustainable energy-dissipation device in which the material surrounding the moving pis...
摘要本文介绍了一种创新的低成本故障安全可持续耗能装置的开发、测试和特性。
{"title":"Pressurized Sand Damper for Earthquake and Wind Engineering: Design, Testing, and Characterization","authors":"N. Makris, X. Palios, Gholamreza Moghimi, S. Bousias","doi":"10.1061/(ASCE)EM.1943-7889.0001902","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001902","url":null,"abstract":"AbstractThis paper presents the development, testing, and characterization of an innovative low-cost fail-safe sustainable energy-dissipation device in which the material surrounding the moving pis...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131060171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001905
B. Zhu, Zhigang Ye, Lujun Wang, Wenjie Xu, D. Kong, T. Nagel, O. Kolditz, Yunmin Chen
AbstractA change in temperature induces thermo-osmosis (T-O) and thermofiltration (T-F) effects in soils, which can influence consolidation under certain conditions. Whether such conditions are met...
{"title":"Theoretical Investigation into Thermo-Osmosis and Thermofiltration Effects on Hydromechanical Behavior of Saturated Soils","authors":"B. Zhu, Zhigang Ye, Lujun Wang, Wenjie Xu, D. Kong, T. Nagel, O. Kolditz, Yunmin Chen","doi":"10.1061/(ASCE)EM.1943-7889.0001905","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001905","url":null,"abstract":"AbstractA change in temperature induces thermo-osmosis (T-O) and thermofiltration (T-F) effects in soils, which can influence consolidation under certain conditions. Whether such conditions are met...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114399072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001913
Shaobo Geng, Wei Yaxin, Wanyue Wang
AbstractThis study aims to investigate the effects of the dynamic increase factor for beam structures under conventional blast loading. Combined with differential equations of an equivalent single-...
摘要本研究旨在探讨常规爆炸荷载作用下梁结构动力增大系数的影响。结合微分方程的等效单…
{"title":"Dynamic Increase Factor of an Equivalent SDOF Structural System for Beams with Different Support Conditions under Conventional Blast Loading","authors":"Shaobo Geng, Wei Yaxin, Wanyue Wang","doi":"10.1061/(ASCE)EM.1943-7889.0001913","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001913","url":null,"abstract":"AbstractThis study aims to investigate the effects of the dynamic increase factor for beam structures under conventional blast loading. Combined with differential equations of an equivalent single-...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130655018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EM.1943-7889.0001914
Bei Zhang, Yu Huang, Chongqiang Zhu
AbstractThe Coriolis effect in centrifuge modeling of flow–structure interaction has not been well understood, and thus this paper presents numerical simulations to address this issue. The results ...
{"title":"Flow–Structure Interaction Mechanism under Coriolis Conditions","authors":"Bei Zhang, Yu Huang, Chongqiang Zhu","doi":"10.1061/(ASCE)EM.1943-7889.0001914","DOIUrl":"https://doi.org/10.1061/(ASCE)EM.1943-7889.0001914","url":null,"abstract":"AbstractThe Coriolis effect in centrifuge modeling of flow–structure interaction has not been well understood, and thus this paper presents numerical simulations to address this issue. The results ...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128168113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-01DOI: 10.1061/(asce)em.1943-7889.0001899
S. Ragab, H. Fayed
AbstractA fluid-structure model based on nonlinear Mindlin-Reissner plate theory and linearized piston theory is used to study the aeroelastic flutter of panels of arbitrary planforms at supersonic...
{"title":"Linear and Nonlinear Flutter of Supersonic Panels of Various Shapes","authors":"S. Ragab, H. Fayed","doi":"10.1061/(asce)em.1943-7889.0001899","DOIUrl":"https://doi.org/10.1061/(asce)em.1943-7889.0001899","url":null,"abstract":"AbstractA fluid-structure model based on nonlinear Mindlin-Reissner plate theory and linearized piston theory is used to study the aeroelastic flutter of panels of arbitrary planforms at supersonic...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130322306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-01DOI: 10.1061/(asce)em.1943-7889.0001890
B. Davis, J. Caicedo, V. Hirth
AbstractForce applied and location it occurred are of growing interest for smart buildings, particularly in the area of human activity. The ability to localize human activity through the vibrations...
{"title":"Force Estimation and Event Localization (FEEL) of Impacts Using Structural Vibrations","authors":"B. Davis, J. Caicedo, V. Hirth","doi":"10.1061/(asce)em.1943-7889.0001890","DOIUrl":"https://doi.org/10.1061/(asce)em.1943-7889.0001890","url":null,"abstract":"AbstractForce applied and location it occurred are of growing interest for smart buildings, particularly in the area of human activity. The ability to localize human activity through the vibrations...","PeriodicalId":299892,"journal":{"name":"Journal of Engineering Mechanics-asce","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126075719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}