An impact sensitivity assessment method of spacecraft based on virtual exterior wall

Bibliographic Details
Title:	An impact sensitivity assessment method of spacecraft based on virtual exterior wall
Authors:	Runqiang Chi, Yuyan Liu, Diqi Hu, Baojun Pang
Source:	Defence Technology, Vol 31, Iss , Pp 142-157 (2024)
Publisher Information:	KeAi Communications Co., Ltd., 2024.
Publication Year:	2024
Collection:	LCC:Military Science
Subject Terms:	Sensitivity, OD/M, Spacecraft, Virtual exterior wall, Military Science
More Details:	The impact sensitivity assessment of spacecraft is to obtain the probability of spacecraft encountering the OD/M (orbital debris or meteoroid), which is a prerequisite for survivability assessment of on-orbit spacecraft. An impact sensitivity assessment method of spacecraft based on virtual exterior wall was proposed to improve the computational efficiency. This method eliminates determination of the outermost surface elements of the spacecraft before generating the debris rays, which are assumed to originate from a non-concave virtual wall that completely wraps the spacecraft. The DistMesh method was adopted for the generating of the virtual wall to ensure its mesh quality. The influences of the sizes, mesh densities, shapes of the virtual wall on the efficiency and accuracy were considered to obtain the best combination of the size and mesh density of the wall and spacecraft. The results of this method were compared with those of S3DE (Survivability of Spacecraft in Space Debris Environment), BUMPER, MDPANTO, ESABASE2/Debris to verify the feasibility of the method. The PCHIP (Piecewise Cubic Hermite Interpolating Polynomial) was used to fit the size vs. flux relationship of the space debris to acquire the impact probability of OD/M with arbitrary size on the spacecraft.
Document Type:	article
File Description:	electronic resource
Language:	English
ISSN:	2214-9147
Relation:	http://www.sciencedirect.com/science/article/pii/S2214914723000569; https://doaj.org/toc/2214-9147
DOI:	10.1016/j.dt.2023.02.026
Access URL:	https://doaj.org/article/a0ae2db64f9a48fe88441ee5bc1aa58a
Accession Number:	edsdoj.0ae2db64f9a48fe88441ee5bc1aa58a
Database:	Directory of Open Access Journals

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Items	– Name: Title Label: Title Group: Ti Data: An impact sensitivity assessment method of spacecraft based on virtual exterior wall – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Runqiang+Chi%22">Runqiang Chi</searchLink><br /><searchLink fieldCode="AR" term="%22Yuyan+Liu%22">Yuyan Liu</searchLink><br /><searchLink fieldCode="AR" term="%22Diqi+Hu%22">Diqi Hu</searchLink><br /><searchLink fieldCode="AR" term="%22Baojun+Pang%22">Baojun Pang</searchLink> – Name: TitleSource Label: Source Group: Src Data: Defence Technology, Vol 31, Iss , Pp 142-157 (2024) – Name: Publisher Label: Publisher Information Group: PubInfo Data: KeAi Communications Co., Ltd., 2024. – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Subset Label: Collection Group: HoldingsInfo Data: LCC:Military Science – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Sensitivity%22">Sensitivity</searchLink><br /><searchLink fieldCode="DE" term="%22OD%2FM%22">OD/M</searchLink><br /><searchLink fieldCode="DE" term="%22Spacecraft%22">Spacecraft</searchLink><br /><searchLink fieldCode="DE" term="%22Virtual+exterior+wall%22">Virtual exterior wall</searchLink><br /><searchLink fieldCode="DE" term="%22Military+Science%22">Military Science</searchLink> – Name: Abstract Label: Description Group: Ab Data: The impact sensitivity assessment of spacecraft is to obtain the probability of spacecraft encountering the OD/M (orbital debris or meteoroid), which is a prerequisite for survivability assessment of on-orbit spacecraft. An impact sensitivity assessment method of spacecraft based on virtual exterior wall was proposed to improve the computational efficiency. This method eliminates determination of the outermost surface elements of the spacecraft before generating the debris rays, which are assumed to originate from a non-concave virtual wall that completely wraps the spacecraft. The DistMesh method was adopted for the generating of the virtual wall to ensure its mesh quality. The influences of the sizes, mesh densities, shapes of the virtual wall on the efficiency and accuracy were considered to obtain the best combination of the size and mesh density of the wall and spacecraft. The results of this method were compared with those of S3DE (Survivability of Spacecraft in Space Debris Environment), BUMPER, MDPANTO, ESABASE2/Debris to verify the feasibility of the method. The PCHIP (Piecewise Cubic Hermite Interpolating Polynomial) was used to fit the size vs. flux relationship of the space debris to acquire the impact probability of OD/M with arbitrary size on the spacecraft. – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: electronic resource – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 2214-9147 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: http://www.sciencedirect.com/science/article/pii/S2214914723000569; https://doaj.org/toc/2214-9147 – Name: DOI Label: DOI Group: ID Data: 10.1016/j.dt.2023.02.026 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://doaj.org/article/a0ae2db64f9a48fe88441ee5bc1aa58a" linkWindow="_blank">https://doaj.org/article/a0ae2db64f9a48fe88441ee5bc1aa58a</link> – Name: AN Label: Accession Number Group: ID Data: edsdoj.0ae2db64f9a48fe88441ee5bc1aa58a
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RecordInfo	BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.dt.2023.02.026 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 16 StartPage: 142 Subjects: – SubjectFull: Sensitivity Type: general – SubjectFull: OD/M Type: general – SubjectFull: Spacecraft Type: general – SubjectFull: Virtual exterior wall Type: general – SubjectFull: Military Science Type: general Titles: – TitleFull: An impact sensitivity assessment method of spacecraft based on virtual exterior wall Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Runqiang Chi – PersonEntity: Name: NameFull: Yuyan Liu – PersonEntity: Name: NameFull: Diqi Hu – PersonEntity: Name: NameFull: Baojun Pang IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 22149147 Numbering: – Type: volume Value: 31 – Type: issue Value: 142-157 Titles: – TitleFull: Defence Technology Type: main
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