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Träfflista för sökning "WFRF:(Dahlblom Ola) "

Search: WFRF:(Dahlblom Ola)

  • Result 1-10 of 105
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1.
  • Ahadi, Aylin, et al. (author)
  • Simulation of a Friction Stir Welding Process using FE technique
  • 2006
  • In: Report TVSM. - 0281-6679.
  • Conference paper (peer-reviewed)abstract
    • In this paper a three dimensional FE model of the friction stir welding (FSW) is presented and the FSW process is simulated. The model has been implemented in FE code Abaqus with user subroutines DLOAD, DFLUX and UMASFL. The material data used to describe the welded panels is from an aluminium alloy called AL-2024-T3 and the material is assumed to be isotropic with temperature dependent yield stress and elastic modulus. A nonlinear-coupled thermo-mechanical analysis was performed in order to study the temperature and stress distribution.
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  • Carlsson, Peter, et al. (author)
  • Optimization of the wood-drying process.
  • 1996
  • In: Quality Wood Drying Through Process Modelling and Novel Technologies, Quebec Canada, Aug. 13-17, 1996. - Sainte-Foy, Québec : Forintek Canada Corp. ; , s. 559-
  • Conference paper (peer-reviewed)
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  • Dahlblom, Ola (author)
  • Constitutive Modelling and Finite Element Analysis of Concrete Structures with Regard to Environmental Influence
  • 1987. - 1
  • Doctoral thesis (other academic/artistic)abstract
    • A constitutive model for concrete is formulated. Tensile fracture is described using a smeared crack approach where the fracrure energy is considered and the shear stiffneess in the cracked region is gradually reduced as crackling develops. Environmentally induced strain due to variation of moisture and temperature is taken into account and may be made dependent on the stress state. Creep is modelled by a rate type formulation.In order to clarify whether the fracture description is accurate in reflecting the input value of fracture energy per unit area a concrete tension specimen is simulated, and good results are achieved.The behaviour of a non-loaded drying concrete specimen is simulated by a theoretical analysis, in order to find to what extent the overall specimen behaviour is influenced by the non-uniform stress state caused by drying. According to the analysis the deformation after a long time differs only slightly from the material contraction due to drying.According to several experimental observations the deformation of a loaded drying specimen is significantly larger than the sum of the deformation of a non-loaded drying specimen and the deformation of a loaded non-drying specimen. The excess deformation is often referred to as stress induced shrinkage or as drying induced creep. A theoretical simulation af a specimen results in the conclusion that the effect is largely a result of stress dependence of the moisture induced strain.
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  • Result 1-10 of 105
Type of publication
conference paper (46)
journal article (22)
reports (21)
book (8)
licentiate thesis (3)
doctoral thesis (2)
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editorial proceedings (1)
research review (1)
book chapter (1)
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Type of content
peer-reviewed (61)
other academic/artistic (44)
Author/Editor
Dahlblom, Ola (102)
Ormarsson, Sigurdur, ... (37)
Petersson, Hans (29)
Sandberg, Göran (19)
Lindemann, Jonas (19)
Persson, Kent (12)
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Ormarsson, Sigurdur (11)
Heyden, Susanne (10)
Obaidat, Yasmeen (6)
Olsson, Anders (5)
Petersson, Hans, 194 ... (4)
Tudisco, Erika (3)
Gustafsson, Per-Joha ... (3)
Austrell, Per Erik (3)
Denzer, Ralf (3)
Olsson, Karl-Gunnar (3)
Johansson, Marie, 19 ... (2)
Olsson, Karl-Gunnar, ... (2)
Ristinmaa, Matti (2)
Peterson, Anders (2)
Eriksson, John (2)
Dahlblom, Ola, Profe ... (2)
Mohamed, Wael (2)
Eriksson, Anders (1)
Johansson, Marie (1)
Säll, Harald (1)
Carlsson, P (1)
Ahadi, Aylin (1)
Gagner, Jonas (1)
Fuchs, Laszlo (1)
Svensson, Ingrid (1)
Damkilde, Lars (1)
Carlsson, Peter (1)
Serrano, Erik, Profe ... (1)
Ottosen, Niels Saaby ... (1)
Stålne, Kristian (1)
Mårtensson, Annika (1)
Arfvidsson, Jesper (1)
Wernberg, Per-Anders (1)
Enquist, Bertil (1)
Petersson, Hans, Pro ... (1)
Esping, Björn (1)
Söderström, O (1)
Esping, B. (1)
Knudsen, P.J. (1)
Larsen, Hans Jörgen (1)
Traberg, S. (1)
Dahlblom, Ola, 1956 (1)
De Magistris, Federi ... (1)
Lundstedt, Karin, 19 ... (1)
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University
Lund University (66)
Linnaeus University (36)
Chalmers University of Technology (7)
Royal Institute of Technology (1)
Mid Sweden University (1)
Language
English (93)
Swedish (12)
Research subject (UKÄ/SCB)
Engineering and Technology (73)
Agricultural Sciences (36)
Natural sciences (2)

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