Geometric and material sensitivities for elasto-plasticity including non-local damage regularisation

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dc.contributor.authorGuhr, Fabian
dc.contributor.authorBarthold, Franz-Joseph
dc.date.accessioned2023-10-13T13:05:04Z
dc.date.available2023-10-13T13:05:04Z
dc.date.issued2023-05-31
dc.description.abstractSensitivity analysis is applied to a regularised non-local ductile damage model. A variational approach is utilised to derive the analytical gradients of different objectives with respect to either geometrical of material parameters. Due to the definition of the material model, enhanced algorithmic treatments are necessary to capture its history dependent nature within the sensitivity computation. The gradient information with respect to the geometrical parameters are used to derive damage tolerant geometries in shape optimisation using Sequential Quadratic Programming (SQP). The sensitivities with respect to the material parameters are used to analyse the response and impact of certain material parameters of the model during loading and unloading of a specimen.en
dc.identifier.urihttp://hdl.handle.net/2003/42147
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-23980
dc.language.isoende
dc.relation.ispartofseriesProceedings in applied mathematics and mechanics;23(1)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/de
dc.subject.ddc690
dc.titleGeometric and material sensitivities for elasto-plasticity including non-local damage regularisationen
dc.typeTextde
dc.type.publicationtypeArticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationGuhr, F. and Barthold, F. (2023), Geometric and material sensitivities for elasto-plasticity including non-local damage regularisation. Proc. Appl. Math. Mech., 23: e202200233. https://doi.org/10.1002/pamm.202200233de
eldorado.secondarypublication.primaryidentifierDOI: https://doi.org/10.1002/pamm.202200233de

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