µFEM modelling of wood cell deformation under pulping-type dynamic loads

Stefania Fortino, Petr Hradil, Lauri Salminen

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Abstract

Compressive and shear loads applied to wet woodchips at high values of speed and temperature during thermo-mechanical (TM) pulping are aimed at separating wood fibres from the raw material in order to increase both the flexibility and the bonding ability of the fibres. This work proposes a computational approach for the simulation of wood cell deformation finalized to a deeper understanding of the most consuming mechanism during TM pulping, that is, the fibre cell wall opening. A flexible µFEM tool for Abaqus code has been developed which uses an automated script for parametric model generation. The use of the proposed numerical tool in the presence of different pulping-type loading conditions can provide suggestions for the energy saving during thermo-mechanical pulping processes.
Original languageEnglish
Title of host publicationMultiscale modelling and design for engineering application
EditorsTarja Laitinen, Kim Wallin
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages78-91
ISBN (Electronic)978-951-38-7914-3
ISBN (Print)978-951-38-7913-6
Publication statusPublished - 2013
MoE publication typeD2 Article in professional manuals or guides or professional information systems or text book material

Publication series

SeriesVTT Technology
Number77
ISSN2242-1211

Fingerprint

Dynamic loads
Wood
Finite element method
Thermomechanical pulping process
Fibers
Loads (forces)
Energy conservation
Raw materials
Cells
Temperature

Cite this

Fortino, S., Hradil, P., & Salminen, L. (2013). µFEM modelling of wood cell deformation under pulping-type dynamic loads. In T. Laitinen, & K. Wallin (Eds.), Multiscale modelling and design for engineering application (pp. 78-91). Espoo: VTT Technical Research Centre of Finland. VTT Technology, No. 77
Fortino, Stefania ; Hradil, Petr ; Salminen, Lauri. / µFEM modelling of wood cell deformation under pulping-type dynamic loads. Multiscale modelling and design for engineering application. editor / Tarja Laitinen ; Kim Wallin. Espoo : VTT Technical Research Centre of Finland, 2013. pp. 78-91 (VTT Technology; No. 77).
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Fortino, S, Hradil, P & Salminen, L 2013, µFEM modelling of wood cell deformation under pulping-type dynamic loads. in T Laitinen & K Wallin (eds), Multiscale modelling and design for engineering application. VTT Technical Research Centre of Finland, Espoo, VTT Technology, no. 77, pp. 78-91.

µFEM modelling of wood cell deformation under pulping-type dynamic loads. / Fortino, Stefania; Hradil, Petr; Salminen, Lauri.

Multiscale modelling and design for engineering application. ed. / Tarja Laitinen; Kim Wallin. Espoo : VTT Technical Research Centre of Finland, 2013. p. 78-91 (VTT Technology; No. 77).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

TY - CHAP

T1 - µFEM modelling of wood cell deformation under pulping-type dynamic loads

AU - Fortino, Stefania

AU - Hradil, Petr

AU - Salminen, Lauri

PY - 2013

Y1 - 2013

N2 - Compressive and shear loads applied to wet woodchips at high values of speed and temperature during thermo-mechanical (TM) pulping are aimed at separating wood fibres from the raw material in order to increase both the flexibility and the bonding ability of the fibres. This work proposes a computational approach for the simulation of wood cell deformation finalized to a deeper understanding of the most consuming mechanism during TM pulping, that is, the fibre cell wall opening. A flexible µFEM tool for Abaqus code has been developed which uses an automated script for parametric model generation. The use of the proposed numerical tool in the presence of different pulping-type loading conditions can provide suggestions for the energy saving during thermo-mechanical pulping processes.

AB - Compressive and shear loads applied to wet woodchips at high values of speed and temperature during thermo-mechanical (TM) pulping are aimed at separating wood fibres from the raw material in order to increase both the flexibility and the bonding ability of the fibres. This work proposes a computational approach for the simulation of wood cell deformation finalized to a deeper understanding of the most consuming mechanism during TM pulping, that is, the fibre cell wall opening. A flexible µFEM tool for Abaqus code has been developed which uses an automated script for parametric model generation. The use of the proposed numerical tool in the presence of different pulping-type loading conditions can provide suggestions for the energy saving during thermo-mechanical pulping processes.

M3 - Chapter or book article

SN - 978-951-38-7913-6

T3 - VTT Technology

SP - 78

EP - 91

BT - Multiscale modelling and design for engineering application

A2 - Laitinen, Tarja

A2 - Wallin, Kim

PB - VTT Technical Research Centre of Finland

CY - Espoo

ER -

Fortino S, Hradil P, Salminen L. µFEM modelling of wood cell deformation under pulping-type dynamic loads. In Laitinen T, Wallin K, editors, Multiscale modelling and design for engineering application. Espoo: VTT Technical Research Centre of Finland. 2013. p. 78-91. (VTT Technology; No. 77).