[HTML][HTML] Implementation and validation of a three-dimensional plasticity-based deformation model for orthotropic composites

C Hoffarth, SD Rajan, RK Goldberg, D Revilock… - Composites Part A …, 2016 - Elsevier
A new orthotropic elasto-plastic constitutive model has been developed to predict the
inelastic response of composite materials under high velocity impact conditions. The model …

[图书][B] A generalized orthotropic elasto-plastic material model for impact analysis

C Hoffarth - 2016 - search.proquest.com
Composite materials are now beginning to provide uses hitherto reserved for metals in
structural systems such as airframes and engine containment systems, wraps for repair and …

Development of a Tabulated Material Model for Composite Material Failure, MAT213: Part 1: Theory, Implementation, Verification & Validation

C Hoffarth, B Khaled, L Shyamsunder, SD Rajan - 2020 - rosap.ntl.bts.gov
One of the challenges in building a predictive numerical model for composites is the ability
to accurately model the behavior of the structure, especially under impact loading. This …

Verification and validation of a three-dimensional generalized composite material model

C Hoffarth, J Harrington, SD Rajan… - International LS-DYNA …, 2015 - ntrs.nasa.gov
A general purpose orthotropic elasto-plastic computational constitutive material model has
been developed to improve predictions of the response of composites subjected to high …

Analysis of the pre-straining effects on the limit strains of interstitial-free steel: experiments and elasto-plastic modeling of strain and stress-based forming limit curves

JL Ferreira, LP Moreira, MC Cardoso - Journal of the Brazilian Society of …, 2021 - Springer
In this work, the limit strains under as-received and pre-strained conditions of an interstitial-
free steel sheet were investigated by mechanical tests and numerical modeling. An original …

Characterization of High-Strength Packaging Steels: Obtaining Material Data for Precise Finite Element Process Modelling

F Knieps, B Liebscher, I Moldovan, M Köhl, J Lohmar - Metals, 2020 - mdpi.com
The steadily increasing demand for downgauging to reduce costs in packaging steel
applications requires the development of high-strength packaging steel grades to meet …

Strain-Induced Martensite Formation of AISI 304L Steel Sheet: Experiments and Modeling

DCT Costa, MC Cardoso, GS da Fonseca… - Materials Science …, 2016 - Trans Tech Publ
Metastable austenitic stainless steels are prone to strain-induced martensite transformation
(SIMT) during deformation at room temperature, as in the case of sheet metal forming …

[PDF][PDF] IMPLANTAÇÃO NUMÉRICA DE UM MODELO CONSTITUTIVO BASEADO EM DENSIDADE DE DISCORDÂNCIAS1

R Garcez, LP Moreira, MF Campos - scholar.archive.org
Neste trabalho, são apresentados os procedimentos necessários à implantação
computacional de um modelo constitutivo baseado na evolução da densidade de …

[PDF][PDF] Finite element simulation of the deep-drawing process of a two-piece tinplate can

RS Horta, LP Moreira, HW Oliveira… - Proceedings of the …, 2017 - researchgate.net
The present study proposed a numerical investigation of the wall thinning effect during the
deep drawing process of a two-piece can packaging for possible mass reduction. The …

[PDF][PDF] SIMULAÇÃO NUMÉRICA DA ESTAMPAGEM DE UMA EMBALAGEM METÁLICA DE DUAS PEÇAS

HW de Oliveira, RS Horta, LP Moreira… - Congresso Anual da …, 2022 - researchgate.net
Opresente trabalho propõe uma metodologia teórica-numérica a fim de contribuir com as
etapas do projeto de ferramental para produção de embalagem metálica de duas peças …