Soyarslan, Celal

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https://hdl.handle.net/20.500.14411/7838
Name Variants
Soyarslan, C.
Soyarslan, Celal
C., Soyarslan
Celal, Soyarslan
C.,Soyarslan
S., Celal
S.,Celal
Soyarslan,C.
Job Title
Öğretim Görevlisi
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Department of Mechatronics Engineering
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Former Staff
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11

SUSTAINABLE CITIES AND COMMUNITIES
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14

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Scholarly Output

10

Articles

7

Views / Downloads

38/181

Supervised MSc Theses

2

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0

WoS Citation Count

92

Scopus Citation Count

75

WoS h-index

5

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3

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0

WoS Citations per Publication

9.20

Scopus Citations per Publication

7.50

Open Access Source

2

Supervised Theses

2

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JournalCount
9th International Conference on Technology of Plasticity, ICTP 2008 -- 9th International Conference on Technology of Plasticity, ICTP 2008 -- 7 September 2008 through 11 September 2008 -- Gyeongju -- 1047661
Computer Methods in Biomechanics and Biomedical Engineering1
Finite Elements in Analysis and Design1
Journal of Materials Research1
Makina Tasarım ve Imalat Dergisi1
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Author: Tekkaya, A. E.

Scholarly Output Search Results

Now showing 1 - 2 of 2
  • Thumbnail Image
    Article
    Citation - WoS: 17
    Citation - Scopus: 20
    Prevention of Internal Cracks in Forward Extrusion by Means of Counter Pressure: a Numerical Treatise
    (verlag Stahleisen Mbh, 2009) Soyarslan, C.; Tekkaya, A. E.
    In the context of forward bulk extrusion, where product defects are frequently observed, the effect of counter pressure on damage accumulation materializing a Continuum Damage Mechanics (CDM) approach is presented. A Lemaitre variant damage model accounting for unilateral damage evolution coupled with a multiplicative finite plasticity is utilized for this purpose. After a presentation of the crack governing mechanism, it is demonstrated that application of counter pressure introduces a marked decrease in the central damage accumulation, which in turn increases the formability of the material through keeping the tensile triaxiality in tolerable limits. It is also shown that, for a crack involving process, through systematic increase of the counter pressure, the crack sizes diminish; and at a certain level of counter pressure chevron cracks can be completely avoided.
  • Thumbnail Image
    Article
    Citation - WoS: 15
    Finite deformation plasticity coupled with isotropic damage: Formulation in principal axes and applications
    (Elsevier Science Bv, 2010) Soyarslan, C.; Tekkaya, A. E.
    A local, isotropic damage coupled hyperelastic-plastic framework is formulated in principal axes. It is shown that, in a functional setting, treatment of many damage growth models, including those originated from phenomenological models (with formal thermodynamical derivations), micromechanics or fracture criteria, proposed in the literature, is possible. As a model problem, a Lemaitre-variant damage model with quasi-unilateral damage evolutionary forms is given with special emphasis on the feasibility of formulations in principal axes. To this end, closed form expression for the inelastic tangent moduli, consistent with the linearization of the closest point projection algorithm, is derived. It is shown that, generally, even in the absence of quasi-unilateral damage evolutionary conditions, the consistent tangent moduli are unsymmetric. The model is implemented as a user defined material subroutine (UMAT) for ABAQUS/Standard. The predictive capability of the selected model problem is studied through axi-symmetric application problems involving forward extrusion of a cylindrical billet, upsetting of a tapered specimen and tension of a notched specimen, in which characteristic failure mechanisms are observed. (C) 2010 Elsevier B.V. All rights reserved.