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- Marengo, AlessandroPolytechnic University of Milan (author)
An in-plane phase-field ductile fracture model for orthotropic paperboard material
- Article/chapterEnglish2024
Publisher, publication year, extent ...
- 2024
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:b76b0ee5-59db-4d04-9022-9b6b9b1a42b4
- https://lup.lub.lu.se/record/b76b0ee5-59db-4d04-9022-9b6b9b1a42b4URI
- https://doi.org/10.1016/j.ijsolstr.2024.112763DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- A phase-field ductile fracture formulation for orthotropic paperboard materials is proposed, based on an anisotropic, multi-surface elastoplastic model describing the in-plane behavior of paperboard. A variational statement for the finite-step elastoplastic problem is extended to include the variational description of Griffith-type brittle fracture by a phase-field gradient term. The interaction between plastic and fracture dissipation mechanisms is modeled by introducing a scalar modulation function, assuming plasticity driven damage growth. This function depends on a scalar measure of the plastic strain components in the material orthotropy frame. It modifies the fracture activation criterion in a non-variational fashion, resulting in a direction-dependent material strength against crack propagation. The model performance is assessed by comparing numerical simulations and experimental tests conducted in a climate-controlled laboratory.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Teknisk mekanik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Applied Mechanics hsv//eng
- Ductile fracture
- Effective stress
- Orthotropy
- Paperboard
- Phase field
Added entries (persons, corporate bodies, meetings, titles ...)
- Perego, UmbertoPolytechnic University of Milan (author)
- Borgqvist, EricTetra Pak AB(Swepub:lu)soli-ebi (author)
- Tryding, JohanLund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH,Tetra Pak AB(Swepub:lu)soli-jtg (author)
- Ristinmaa, MattiLund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH(Swepub:lu)hall-mri (author)
- Polytechnic University of MilanTetra Pak AB (creator_code:org_t)
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- In:International Journal of Solids and Structures2940020-7683
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