Constitutive modeling of anisotropic plasticity with application to fiber-reinforced composites

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Constitutive modeling of anisotropic plasticity with application to fiber-reinforced composites. / Nagaraja, Swaroop G.; Pletz, Martin; Schuecker, C.
in: International journal of solids and structures, Jahrgang 180-181.2019, Nr. 15 December, 15.12.2019, S. 84-96.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{2c2b9bb9c53f4e82b354f526db101f41,
title = "Constitutive modeling of anisotropic plasticity with application to fiber-reinforced composites",
abstract = "This article proposes two constitutive models to describe the nonlinear, elastic-plastic behavior of unidirectional fiber-reinforced composites at the meso-level. Key ingredients are the formulation of two anisotropic yield functions with the aid of representation theorems (invariant formulation), and the set-up of governing equations for plastic variables with respect to associative and non-associative flow response. The governing equations are solved using an elastic predictor-plastic corrector algorithm which imposes the constraint posed by the yield condition. Both the models are evaluated qualitatively and quantitatively by comparison to micromechanics simulations as well as to experimental data.",
keywords = "Anisotropy, Fiber-reinforced composites, Plasticity theory",
author = "Nagaraja, {Swaroop G.} and Martin Pletz and C. Schuecker",
year = "2019",
month = dec,
day = "15",
doi = "10.1016/j.ijsolstr.2019.07.002",
language = "English",
volume = "180-181.2019",
pages = "84--96",
journal = "International journal of solids and structures",
issn = "0020-7683",
publisher = "Elsevier",
number = "15 December",

}

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TY - JOUR

T1 - Constitutive modeling of anisotropic plasticity with application to fiber-reinforced composites

AU - Nagaraja, Swaroop G.

AU - Pletz, Martin

AU - Schuecker, C.

PY - 2019/12/15

Y1 - 2019/12/15

N2 - This article proposes two constitutive models to describe the nonlinear, elastic-plastic behavior of unidirectional fiber-reinforced composites at the meso-level. Key ingredients are the formulation of two anisotropic yield functions with the aid of representation theorems (invariant formulation), and the set-up of governing equations for plastic variables with respect to associative and non-associative flow response. The governing equations are solved using an elastic predictor-plastic corrector algorithm which imposes the constraint posed by the yield condition. Both the models are evaluated qualitatively and quantitatively by comparison to micromechanics simulations as well as to experimental data.

AB - This article proposes two constitutive models to describe the nonlinear, elastic-plastic behavior of unidirectional fiber-reinforced composites at the meso-level. Key ingredients are the formulation of two anisotropic yield functions with the aid of representation theorems (invariant formulation), and the set-up of governing equations for plastic variables with respect to associative and non-associative flow response. The governing equations are solved using an elastic predictor-plastic corrector algorithm which imposes the constraint posed by the yield condition. Both the models are evaluated qualitatively and quantitatively by comparison to micromechanics simulations as well as to experimental data.

KW - Anisotropy

KW - Fiber-reinforced composites

KW - Plasticity theory

UR - http://www.scopus.com/inward/record.url?scp=85069637657&partnerID=8YFLogxK

U2 - 10.1016/j.ijsolstr.2019.07.002

DO - 10.1016/j.ijsolstr.2019.07.002

M3 - Article

AN - SCOPUS:85069637657

VL - 180-181.2019

SP - 84

EP - 96

JO - International journal of solids and structures

JF - International journal of solids and structures

SN - 0020-7683

IS - 15 December

ER -