kth.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Twist, tilt and stretch: From isometric Kelvin cells to anisotropic cellular materials
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Fluid Mechanics and Engineering Acoustics, Marcus Wallenberg Laboratory MWL. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0001-9980-0144
KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Fluid Mechanics and Engineering Acoustics, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0002-6555-531X
KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Fluid Mechanics and Engineering Acoustics, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0001-9071-6325
KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Fluid Mechanics and Engineering Acoustics, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0003-1855-5437
Show others and affiliations
2020 (English)In: Materials & design, ISSN 0264-1275, E-ISSN 1873-4197, Vol. 193, article id 108855Article in journal (Refereed) Published
Abstract [en]

Simple geometric distortions applied to the isometric Kelvin cell structures, (the tetrakaidecahedron), are shown to result in equivalent materials with anisotropic Hooke's tensors. The equivalent material models are estimated using a recently published inversion method where the 21 independent elastic constants of the Hooke's tensor are identified. In these cell geometries, some of the faces of the Kelvin cell have been twisted and/or tilted. Numerical experiments suggest that the equivalent material models of the distorted cells exhibit variations in compression, shearing, shear-compression and shear-shear coupling moduli, which are shown to be continuous functions of the degree of twist and tilt applied. When twist and tilt are combined, it is demonstrated that full anisotropy in the elastic properties may be generated. A rotational symmetry without symmetry planes, but having either a tetragonal or a monoclinic elastic symmetry is discussed. Four cell geometries, one isometric and three distorted, were manufactured using masked stereolithography 3D printing technology and measured in a laboratory compression set-up. Results from numerical simulations are compared to the experimental in terms of the compressive modulus.

Place, publisher, year, edition, pages
Elsevier BV , 2020. Vol. 193, article id 108855
National Category
Mechanical Engineering Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-282298DOI: 10.1016/j.matdes.2020.108855ISI: 000568758400005Scopus ID: 2-s2.0-85086455765OAI: oai:DiVA.org:kth-282298DiVA, id: diva2:1471590
Funder
Vinnova, 2016-05195EU, European Research Council, CA15125Swedish Research Council, 2015-04925EU, European Research Council, 723367
Note

QC 20200929

Available from: 2020-09-29 Created: 2020-09-29 Last updated: 2022-10-12Bibliographically approved

Open Access in DiVA

fulltext(5218 kB)544 downloads
File information
File name FULLTEXT01.pdfFile size 5218 kBChecksum SHA-512
823e82d50e17d1b3edac974fb5faaf1e92be0ab539e72b4718c987034d35c9485c5a7a6a4095397f05c7448e293ba973787f74876acbce6910c099eb9de26fac
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopushttps://doi.org/10.1016/j.matdes.2020.108855

Authority records

Mao, HuinaRumpler, RomainGaborit, MathieuGöransson, Peter

Search in DiVA

By author/editor
Mao, HuinaRumpler, RomainGaborit, MathieuGöransson, Peter
By organisation
Marcus Wallenberg Laboratory MWLVinnExcellence Center for ECO2 Vehicle design
In the same journal
Materials & design
Mechanical EngineeringApplied Mechanics

Search outside of DiVA

GoogleGoogle Scholar
Total: 544 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 373 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf