Dynamic responses of a hinged-hinged Timoshenko beam with or without a damage subject to blast loading
•Damage forecast in a hinged-hinged Timoshenko beam subjected to blast excitation.•The damage function take into account the spatial repartition of the damage along the beam.•Numerical simulation of damaged PDE Timoshenko beam is performed.•The reaction deflection analysis show the risk of shear fai...
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| Published in | Mechanics research communications Vol. 71; pp. 38 - 43 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
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Elsevier Ltd
01.01.2016
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| ISSN | 0093-6413 1873-3972 |
| DOI | 10.1016/j.mechrescom.2015.10.001 |
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| Abstract | •Damage forecast in a hinged-hinged Timoshenko beam subjected to blast excitation.•The damage function take into account the spatial repartition of the damage along the beam.•Numerical simulation of damaged PDE Timoshenko beam is performed.•The reaction deflection analysis show the risk of shear failure according to the damaged state.•The dynamics of the damaged and healthy states allow to foresee the degree of the damage.
The present paper addresses the subject of dynamics and damage detection in Timoshenko beam subjected to blast excitation. The general equation governing the dynamics states of both healthy and damaged hinged-hinged Timoshenko beam is derived. A damage function evolving the location, the sizes, the geometry of the damaged area is proposed and the response to blast loading is investigated. The exploration and the comparison of the dynamics of the damaged and healthy states allow to foresee the degree of the structural damage. |
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| AbstractList | •Damage forecast in a hinged-hinged Timoshenko beam subjected to blast excitation.•The damage function take into account the spatial repartition of the damage along the beam.•Numerical simulation of damaged PDE Timoshenko beam is performed.•The reaction deflection analysis show the risk of shear failure according to the damaged state.•The dynamics of the damaged and healthy states allow to foresee the degree of the damage.
The present paper addresses the subject of dynamics and damage detection in Timoshenko beam subjected to blast excitation. The general equation governing the dynamics states of both healthy and damaged hinged-hinged Timoshenko beam is derived. A damage function evolving the location, the sizes, the geometry of the damaged area is proposed and the response to blast loading is investigated. The exploration and the comparison of the dynamics of the damaged and healthy states allow to foresee the degree of the structural damage. |
| Author | Nana Nbendjo, B.R. Metsebo, J. Woafo, P. |
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| CitedBy_id | crossref_primary_10_1016_j_cscm_2021_e00647 crossref_primary_10_1080_15502287_2018_1447048 crossref_primary_10_1016_j_ast_2023_108862 crossref_primary_10_1177_1077546320908141 crossref_primary_10_1016_j_cjph_2022_04_011 |
| Cites_doi | 10.1016/S0141-0296(02)00118-9 10.1016/0022-460X(90)90838-Q 10.1016/j.engstruct.2010.12.031 10.1016/j.compstruc.2011.08.014 10.1016/j.jcsr.2007.12.013 10.14429/dsj.62.1149 10.1177/058310249803000201 10.1080/14786442108636264 10.1016/j.jsv.2007.12.039 10.1002/(SICI)1097-0207(19971215)40:23<4451::AID-NME269>3.0.CO;2-L 10.1016/j.mechrescom.2013.10.001 10.1006/jsvi.1999.2257 10.1016/S0734-743X(01)00020-3 10.1016/0022-460X(81)90520-4 10.1016/j.tws.2012.09.004 10.1016/S0950-4230(98)00005-9 10.1016/S0045-7949(01)00170-5 10.1007/s11071-014-1429-7 |
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| Keywords | Shear dynamics response Blast excitation Damage detection Hinged–hinged Timoshenko beam |
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| SubjectTerms | Blast excitation Damage detection Hinged–hinged Timoshenko beam Shear dynamics response |
| Title | Dynamic responses of a hinged-hinged Timoshenko beam with or without a damage subject to blast loading |
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