Comparative analysis of blast prediction software for far-field shock wave effects behind a blast wall

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dc.contributor.authorChester, Alastair
dc.contributor.authorHazael, Rachael
dc.contributor.authorCritchley, Richard
dc.date.accessioned2024-11-27T11:04:56Z
dc.date.available2024-11-27T11:04:56Z
dc.date.freetoread2024-11-27
dc.date.issued2024-12-31
dc.date.pubOnline2024-09-12
dc.description.abstractThis paper investigates a selection of current and emerging software used in the prediction of overpressure generated through the detonation of a high explosive in the far field behind a blast wall. In particular, this paper compares the software Autodyn, blastFoam, ProSAir, Viper::Blast and WALAIR++. These packages are compared by simulating a 100 kg TNT explosive charge at a stand-off distance of 25 m from a complex structure, then reviewing the performance in terms of the overpressure results, speed of each modelling package, the degree of effect from mesh, and domain sizes and ease of use. A live experimental trial representing the simulation was also performed, although it used a similar but different explosive, for a high-level comparison. The live-trial instrumentation design details are reviewed and compared with best practice. The choice of software is found to lead to variations in peak pressure predictions of 28%, specific impulse by 10% and the simulation speed can vary by a factor of up to 1600 for this type of study. This shows that the choice of blast software package can have a significant impact on the accuracy and attainability of blast predictions.
dc.description.journalNameInternational Journal of Protective Structures
dc.identifier.citationChester A, Hazael R, Critchley R. (2024) Comparative analysis of blast prediction software for far-field shock wave effects behind a blast wall. International Journal of Protective Structures, Available online 12 September 2024
dc.identifier.eissn2041-420X
dc.identifier.elementsID552322
dc.identifier.issn2041-4196
dc.identifier.urihttps://doi.org/10.1177/20414196241284299
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23229
dc.languageEnglish
dc.language.isoen
dc.publisherSAGE
dc.publisher.urihttps://journals.sagepub.com/doi/10.1177/20414196241284299
dc.relation.isreferencedbyhttps://dspace.lib.cranfield.ac.uk/handle/1826/22900
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectsimulation
dc.subjectblast testing
dc.subjectcomputational modelling
dc.subjecthigh explosives
dc.subject4005 Civil Engineering
dc.subject40 Engineering
dc.subject4016 Materials Engineering
dc.subject4017 Mechanical Engineering
dc.subjectBioengineering
dc.subject4005 Civil engineering
dc.subject4016 Materials engineering
dc.subject4017 Mechanical engineering
dc.titleComparative analysis of blast prediction software for far-field shock wave effects behind a blast wall
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2024-08-20

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