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A multiscale approach to modeling of composite damage
Department of Aerospace Engineering, Texas A&M University, University of Toronto.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0003-1871-4020
2016 (Engelska)Ingår i: Modeling damage, fatigue and failure of composite materials, Cambridge: Woodhead Publishing Limited, 2016, s. 329-345Kapitel i bok, del av antologi (Refereegranskat)
Abstract [en]

Damage in composite materials initiates at the length scale of one or a few fiber diameters, governed by the local stress fields. Further progression of the failure events is governed by conditions existing in a material volume representative of geometrical aspects such as fiber orientation and thickness of the plies, as well as the extent of stress field perturbations caused by damage entities. Failure of a composite structure occurs at attainment of a critical state in its response related to the designed functionality. Assessment of failure must therefore involve analyzing failure events from initiation until the relevant criticality state, with proper account of the length scales at which the respective failure mechanisms occur. Approaches for this purpose are necessarily of a multiscale nature. This chapter discusses a particular approach that incorporates the micro-, meso-, and macroscales in one single framework and is aimed at describing the deformational response of multidirectional composite laminates with multiple cracking in different orientations.

Ort, förlag, år, upplaga, sidor
Cambridge: Woodhead Publishing Limited, 2016. s. 329-345
Serie
Woodhead Publishing series in composites science and engineering ; 66
Nationell ämneskategori
Kompositmaterial och -teknik
Forskningsämne
Polymera konstruktionsmaterial
Identifikatorer
URN: urn:nbn:se:ltu:diva-21090DOI: 10.1016/B978-1-78242-286-0.00014-5Scopus ID: 2-s2.0-85014430202Lokalt ID: b2cb2d7f-9c47-4d9f-92ab-3f0e2e9201e6ISBN: 9781782422983 (digital)OAI: oai:DiVA.org:ltu-21090DiVA, id: diva2:994135
Anmärkning

Godkänd; 2015; 20151201 (andbra)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-01-16Bibliografiskt granskad

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Talreja, Ramesh

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