Inverse characterization of UHPC material based on Hopkinson bar test

Coupling scientific researches with engineering applications leads to significant increase in development of innovative materials. Since time-consuming and expensive experimental tests are required for characterization of materials under dynamic loading regime, utilizing inverse characterizations of...

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Autor principal:	Mohammad Reza Khosravani
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Inverse method Hopkinson bar Ultra-high performance concrete Dynamic material properties Material characterization Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/d843cc1675d446c8a47d646782ec699f
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spelling	oai:doaj.org-article:d843cc1675d446c8a47d646782ec699f2021-12-01T05:06:00ZInverse characterization of UHPC material based on Hopkinson bar test2666-496810.1016/j.apples.2021.100043https://doaj.org/article/d843cc1675d446c8a47d646782ec699f2021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666496821000091https://doaj.org/toc/2666-4968Coupling scientific researches with engineering applications leads to significant increase in development of innovative materials. Since time-consuming and expensive experimental tests are required for characterization of materials under dynamic loading regime, utilizing inverse characterizations of material has been increased. In this paper, an effective inverse methodology is proposed and it is utilized to determine dynamic behavior of cement-based composite material. This inverse procedure is based on the experimental test via split Hopkinson pressure bar which is one of the most widely used devices in investigation of material response to high rate loading. In the current study, Holmquist–Johnson–Cook constitutive model is used to present dynamic behavior of ultra-high performance concrete that is a new generation of concrete and has higher strength compared to traditional concrete. The reflected and transmitted waves obtained from the experiments are utilized as input in the inverse procedure. Moreover, genetic algorithm with intergeneration projection is adopted as an inverse operator to determine inversed parameters. Based on the obtained results, the recommended characterization method indicates effectiveness in the material characterization. The proposed methodology can accurately estimate the desired parameters of material under the high strain rates.Mohammad Reza KhosravaniElsevierarticleInverse methodHopkinson barUltra-high performance concreteDynamic material propertiesMaterial characterizationEngineering (General). Civil engineering (General)TA1-2040ENApplications in Engineering Science, Vol 6, Iss , Pp 100043- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Inverse method Hopkinson bar Ultra-high performance concrete Dynamic material properties Material characterization Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Inverse method Hopkinson bar Ultra-high performance concrete Dynamic material properties Material characterization Engineering (General). Civil engineering (General) TA1-2040 Mohammad Reza Khosravani Inverse characterization of UHPC material based on Hopkinson bar test
description	Coupling scientific researches with engineering applications leads to significant increase in development of innovative materials. Since time-consuming and expensive experimental tests are required for characterization of materials under dynamic loading regime, utilizing inverse characterizations of material has been increased. In this paper, an effective inverse methodology is proposed and it is utilized to determine dynamic behavior of cement-based composite material. This inverse procedure is based on the experimental test via split Hopkinson pressure bar which is one of the most widely used devices in investigation of material response to high rate loading. In the current study, Holmquist–Johnson–Cook constitutive model is used to present dynamic behavior of ultra-high performance concrete that is a new generation of concrete and has higher strength compared to traditional concrete. The reflected and transmitted waves obtained from the experiments are utilized as input in the inverse procedure. Moreover, genetic algorithm with intergeneration projection is adopted as an inverse operator to determine inversed parameters. Based on the obtained results, the recommended characterization method indicates effectiveness in the material characterization. The proposed methodology can accurately estimate the desired parameters of material under the high strain rates.
format	article
author	Mohammad Reza Khosravani
author_facet	Mohammad Reza Khosravani
author_sort	Mohammad Reza Khosravani
title	Inverse characterization of UHPC material based on Hopkinson bar test
title_short	Inverse characterization of UHPC material based on Hopkinson bar test
title_full	Inverse characterization of UHPC material based on Hopkinson bar test
title_fullStr	Inverse characterization of UHPC material based on Hopkinson bar test
title_full_unstemmed	Inverse characterization of UHPC material based on Hopkinson bar test
title_sort	inverse characterization of uhpc material based on hopkinson bar test
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/d843cc1675d446c8a47d646782ec699f
work_keys_str_mv	AT mohammadrezakhosravani inversecharacterizationofuhpcmaterialbasedonhopkinsonbartest
_version_	1718405572259217408

Inverse characterization of UHPC material based on Hopkinson bar test

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