Shape optimization of the X0-specimen: theory, numerical simulation and experimental verification

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dc.contributor.authorLiedmann, Jan
dc.contributor.authorGerke, Steffen
dc.contributor.authorBarthold, Franz-Joseph
dc.contributor.authorBrĂ¼nig, Michael
dc.date.accessioned2021-03-30T07:21:38Z
dc.date.available2021-03-30T07:21:38Z
dc.date.issued2020-09-20
dc.description.abstractThe paper deals with the gradient based shape optimization of the biaxial X0-specimen, which has been introduced and examined in various papers, under producibility restrictions and the related experimental verification. The original, engineering based design of the X0-specimen has been applied successfully to different loading conditions persisting the question if relevant stress states could be reached by optimizing the geometry. Specimens with the initial as well as with the two load case dependent optimized geometries have been fabricated of the aluminum alloy sheets (AlSi1MgMn; EN AW 6082-T6) and tested. The strain fields in critical regions of the specimens have been recorded by digital image correlation technique. In addition, scanning electron microscope analysis of the fracture surfaces clearly indicate the stress state dependent damage processes. Consequently, the presented gradient based optimization technique facilitated significant improvements to study the damage and fracture processes in a more purposeful way.en
dc.identifier.urihttp://hdl.handle.net/2003/40122
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-21999
dc.language.isoende
dc.relation.ispartofseriesComput Mech;66
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectOptimal specimensen
dc.subjectVariational sensitivity analysisen
dc.subjectShape optimizationen
dc.subjectBiaxial experimentsen
dc.subjectDamageen
dc.subjectStress state dependenceen
dc.subject.ddc690
dc.subject.rswkProbede
dc.subject.rswkSensitivitätsanalysede
dc.subject.rswkStrukturoptimierungde
dc.subject.rswkZweiachsige Beanspruchungde
dc.subject.rswkWerkstoffschädigungde
dc.subject.rswkSpannungszustandde
dc.titleShape optimization of the X0-specimen: theory, numerical simulation and experimental verificationen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationLiedmann, J., Gerke, S., Barthold, FJ. et al. Shape optimization of the X0-specimen: theory, numerical simulation and experimental verification. Comput Mech 66, 1275–1291 (2020).de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1007/s00466-020-01900-7de

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