# Gradient-enhanced ductile fracture constitutive modeling in implicit two-scale finite element analysis

https://mdr.nims.go.jp/datasets/bc3f2956-36eb-49c3-8d23-d91195242a2f

## File

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## Id

bc3f2956-36eb-49c3-8d23-d91195242a2f

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-04-02T06:12:34.968449Z

## Updated at

2025-04-02T07:30:35.608332Z

## Published at

2025-04-02T08:21:15.713662Z

## Doi



## First published url

https://doi.org/10.1016/j.jmps.2025.106025

## Date published

2025-01-08

## Recorded date published

2025-3

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Gradient-enhanced ductile fracture constitutive modeling in implicit two-scale
    finite element analysis
  title_type: original
  lang: en

## Description

- description: In the field of damage modeling for ductile materials, numerous models
    have successfully addressed various fracture responses, as well as the need for
    robust algorithms and solutions to computational challenges. This study developed
    a damage model based on continuum damage mechanics. It addresses mesh regularization,
    a primary computational issue in macroscopic structural fracture analysis through
    a gradient-enhanced damage model using micromorphic theory and incorporating damage
    hardening variables. To provide a physical explanation for the characteristic
    lengths associated with the gradient-enhanced term, an extended ‘‘two-scale’’
    computational homogenization approach was employed to define the length scale
    between the macro- and microscale. This microvariable within a micromorphic extension
    can be utilized to model the damage hardening mechanism, which cannot be fully
    captured via high-resolution localized characterization. In duplex microstructures,
    the length scale can be defined by the microstructure size relative to the width
    of the micro-shear band. This explains the damage overlapping phenomenon between
    the two-scales.
  description_type: abstract
  lang: und

## Creator

- name: Tianwen Tan
  role: author
  orcid: https://orcid.org/0000-0003-1898-9331
  organization: National Institute for Materials Science
- name: Ikumu Watanabe
  role: author
  orcid: https://orcid.org/0000-0002-7693-1675
  organization: National Institute for Materials Science

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: Ductile fracture
  schema: not_defined
- subject: Mesh dependency
  schema: not_defined
- subject: Micromorphic theory
  schema: not_defined
- subject: Length scale
  schema: not_defined
- subject: Finite strains
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by-nc/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Journal of the Mechanics and Physics of Solids
  issn: '00225096'
  volume: '196'
  article_number: '106025'

## Conference



## Related item



## Funding

- identifier: JPMJCR1995
  funder_name: Japan Science and Technology Agency

## Instrument



## Instrument operator



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## Measurement method



## Specimen



## Chemical composition



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## Fileset

- id: 399f8cd6-d0df-435f-bde8-de978c17e394
  filename: tan_JMPS2025.pdf
  content_type: application/pdf
  size: 5651387
  md5: ae480a9fc27bfd22f6b90ab56e4dd5f0

## Thumbnail

fileset_id: 399f8cd6-d0df-435f-bde8-de978c17e394
filename: tan_JMPS2025.pdf