Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings

This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing stand...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Yuan, Ye [verfasserIn] Zhang, Chengjian [verfasserIn] Xu, Yuxin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling

Übergeordnetes Werk:	Enthalten in: Thin-walled structures - Amsterdam [u.a.] : Elsevier Science, 1983, 164
Übergeordnetes Werk:	volume:164

DOI / URN:	10.1016/j.tws.2021.107914

Katalog-ID:	ELV006189857

Internformat


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245	1	0	\|a Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
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520			\|a This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry.
650		4	\|a Standoff distance
650		4	\|a Internal blast experiment
650		4	\|a Saturated impulse effect
650		4	\|a Numerical modelling
700	1		\|a Zhang, Chengjian \|e verfasserin \|4 aut
700	1		\|a Xu, Yuxin \|e verfasserin \|4 aut
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936	b	k	\|a 50.31 \|j Technische Mechanik
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Indexfelder

author_variant	y y yy c z cz y x yx
matchkey_str	yuanyezhangchengjianxuyuxin:2021----:nlecosadfdsacoteeomtoosurselltsujc
hierarchy_sort_str	2021
bklnumber	50.31 56.11
publishDate	2021
allfields	10.1016/j.tws.2021.107914 doi (DE-627)ELV006189857 (ELSEVIER)S0263-8231(21)00297-4 DE-627 ger DE-627 rda eng 690 DE-600 50.31 bkl 56.11 bkl Yuan, Ye verfasserin (orcid)0000-0002-6282-6057 aut Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry. Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling Zhang, Chengjian verfasserin aut Xu, Yuxin verfasserin aut Enthalten in Thin-walled structures Amsterdam [u.a.] : Elsevier Science, 1983 164 Online-Ressource (DE-627)320423425 (DE-600)2002844-1 (DE-576)259484512 nnns volume:164 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik 56.11 Baukonstruktion AR 164
spelling	10.1016/j.tws.2021.107914 doi (DE-627)ELV006189857 (ELSEVIER)S0263-8231(21)00297-4 DE-627 ger DE-627 rda eng 690 DE-600 50.31 bkl 56.11 bkl Yuan, Ye verfasserin (orcid)0000-0002-6282-6057 aut Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry. Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling Zhang, Chengjian verfasserin aut Xu, Yuxin verfasserin aut Enthalten in Thin-walled structures Amsterdam [u.a.] : Elsevier Science, 1983 164 Online-Ressource (DE-627)320423425 (DE-600)2002844-1 (DE-576)259484512 nnns volume:164 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik 56.11 Baukonstruktion AR 164
allfields_unstemmed	10.1016/j.tws.2021.107914 doi (DE-627)ELV006189857 (ELSEVIER)S0263-8231(21)00297-4 DE-627 ger DE-627 rda eng 690 DE-600 50.31 bkl 56.11 bkl Yuan, Ye verfasserin (orcid)0000-0002-6282-6057 aut Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry. Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling Zhang, Chengjian verfasserin aut Xu, Yuxin verfasserin aut Enthalten in Thin-walled structures Amsterdam [u.a.] : Elsevier Science, 1983 164 Online-Ressource (DE-627)320423425 (DE-600)2002844-1 (DE-576)259484512 nnns volume:164 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik 56.11 Baukonstruktion AR 164
allfieldsGer	10.1016/j.tws.2021.107914 doi (DE-627)ELV006189857 (ELSEVIER)S0263-8231(21)00297-4 DE-627 ger DE-627 rda eng 690 DE-600 50.31 bkl 56.11 bkl Yuan, Ye verfasserin (orcid)0000-0002-6282-6057 aut Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry. Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling Zhang, Chengjian verfasserin aut Xu, Yuxin verfasserin aut Enthalten in Thin-walled structures Amsterdam [u.a.] : Elsevier Science, 1983 164 Online-Ressource (DE-627)320423425 (DE-600)2002844-1 (DE-576)259484512 nnns volume:164 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik 56.11 Baukonstruktion AR 164
allfieldsSound	10.1016/j.tws.2021.107914 doi (DE-627)ELV006189857 (ELSEVIER)S0263-8231(21)00297-4 DE-627 ger DE-627 rda eng 690 DE-600 50.31 bkl 56.11 bkl Yuan, Ye verfasserin (orcid)0000-0002-6282-6057 aut Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry. Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling Zhang, Chengjian verfasserin aut Xu, Yuxin verfasserin aut Enthalten in Thin-walled structures Amsterdam [u.a.] : Elsevier Science, 1983 164 Online-Ressource (DE-627)320423425 (DE-600)2002844-1 (DE-576)259484512 nnns volume:164 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik 56.11 Baukonstruktion AR 164
language	English
source	Enthalten in Thin-walled structures 164 volume:164
sourceStr	Enthalten in Thin-walled structures 164 volume:164
format_phy_str_mv	Article
bklname	Technische Mechanik Baukonstruktion
institution	findex.gbv.de
topic_facet	Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling
dewey-raw	690
isfreeaccess_bool	false
container_title	Thin-walled structures
authorswithroles_txt_mv	Yuan, Ye @@aut@@ Zhang, Chengjian @@aut@@ Xu, Yuxin @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320423425
dewey-sort	3690
id	ELV006189857
language_de	englisch
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author	Yuan, Ye
spellingShingle	Yuan, Ye ddc 690 bkl 50.31 bkl 56.11 misc Standoff distance misc Internal blast experiment misc Saturated impulse effect misc Numerical modelling Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
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topic_title	690 DE-600 50.31 bkl 56.11 bkl Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings Standoff distance Internal blast experiment Saturated impulse effect Numerical modelling
topic	ddc 690 bkl 50.31 bkl 56.11 misc Standoff distance misc Internal blast experiment misc Saturated impulse effect misc Numerical modelling
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title	Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
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title_full	Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
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title_sort	influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
title_auth	Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
abstract	This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry.
abstractGer	This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry.
abstract_unstemmed	This study presents a combining experimental and numerical efforts on elucidating the influence of the standoff distance on large inelastic deformation of square steel plates subjected to the fully-confined internal blast loading from TNT detonation. Experimental results reveal that increasing standoff distance could lead to a monotonic increase of permanent central displacement of the target plate, which contradicts the well-known free-air blast scenarios. Detailed three-dimensional finite element simulations using LS-Dyna are carried out to provide additional insights into the pressure evolution and transient response of the ductile plates. The numerical results are validated against experimental data where they were found to be in reasonable agreements. Numerical predictions reveal that complex pressure wave interactions within the blast chamber, and the saturated impulse effect attribute, in part, or combination, to the aforesaid phenomenon. The discussions on the limitation of the current findings are also provided, highlighting its dependency on the confinement’s geometry.
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title_short	Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings
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Influence of standoff distance on the deformation of square steel plates subjected to internal blast loadings

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