Eroğlu, Uğurcan

Profile Picture
Profile URL
https://hdl.handle.net/20.500.14365/7448
Name Variants
Eroǧlu, Uǧurcan
Eroglu, Ugurcan
Job Title
Email Address
ugurcan.eroglu@ieu.edu.tr
Main Affiliation
05.10. Mechanical Engineering
Status
Former Staff
Website
ORCID ID
0000-0002-2446-0947
Scopus Author ID
56460194800
Turkish CoHE Profile ID
92D69B3189CE5EE8
Google Scholar ID
02UNQhoAAAAJ
WoS Researcher ID
I-5252-2019

Sustainable Development Goals

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Documents

25

Citations

300

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10

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Documents

23

Citations

277

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Scholarly Output

4

Articles

3

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6/39

Supervised MSc Theses

0

Supervised PhD Theses

0

WoS Citation Count

17

Scopus Citation Count

20

Patents

0

Projects

0

WoS Citations per Publication

4.25

Scopus Citations per Publication

5.00

Open Access Source

1

Supervised Theses

0

JournalCount
Meccanıca2
European Mechanical Science1
Modern Trends in Structural and Solid Mechanics 1: Statics and Stability1
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Now showing 1 - 4 of 4
  • Thumbnail Image
    Book Part
    Citation - WoS: 3
    Citation - Scopus: 3
    Buckling and Post-Buckling of Parabolic Arches With Local Damage
    (wiley, 2021-06-11) Eroglu, Ugurcan; Ruta G.; Paolone A.; Tüfekci E.; Ruta, Giuseppe; Paolone, Achille; Tüfekci, Ekrem
    Most studies on cracked one-dimensional structural elements deal with their statics and free dynamics, while their stability is only given marginal consideration, especially arches. This chapter investigates buckling and post-buckling of parabolic arches with crack-like damages. The environment acts on the arch by: a vector force field, power dual of the incremental displacement of the axis; and a skew-symmetric tensor couple field, power dual of the incremental rotation of the cross-sections. The chapter presents two perturbation expansions of the finite governing equations for arches modeled as curved beams, in order to investigate their non-trivial fundamental path and their post-buckling path. Kinematics is finite, balance is in the actual configuration and only constitutive equations are supposed linear elastic. Future investigations will be about the quality of the post-buckling path and on linear vibration about non-trivial pre-stressed states, in order to detect the effect of local damages for monitoring purposes. © ISTE Ltd 2021.
  • Thumbnail Image
    Article
    Citation - WoS: 11
    Citation - Scopus: 14
    Perturbation Approach To Eringen's Local/Non-local Constitutive Equation With Applications To 1-D Structures
    (Springer, 2020-03-16) Eroglu, Ugurcan
    Eringen's two-phase local/non-local constitutive equation is preferred over its full non-local counterpart due to mathematical simplifications it provides. Then again, an integro-differential equation must be solved, which requires rigorous examination of the existence of an exact solution in certain forms. For this purpose, some additional constraints are attained to strain field for the sake of an exact solution which may be in contrast with the balance equations. It is the aim of this study to look for possible approximated solutions in series by a perturbation approach. Indeed, we find that response of structures with non-local constitutive relation may be approximated by a set of local elasticity problems, the existence and uniqueness of which are ensured. The present approach does not require any more conditions than physical boundary conditions, such as constitutive boundary conditions. It is applied to simple one-dimensional structural elements, and numerical evidence on possible convergence of the series expansion is provided. Some structural problems of bars and beams, which may be the simplified models of nanostructures in modern engineering applications, are discussed and solutions to them are given in closed-form.
  • Thumbnail Image
    Article
    Some New Approximate Solutions in Closed-Form To Problems of Nanobars
    (2021-12-20) Eroğlu, Uğurcan
    Following recent technological advancements, a great attention has been paid to the mechanical behaviour of structural elements of nanosize. In this study, some solutions to mechanical problems of bars of nanosize are examined using Eringen’s two-phase nonlocal elasticity. Assuming the fraction coefficient of nonlocal part of the material is small, a perturbation expansion with respect to it is performed. With this procedure, the original nonlocal problem is broken into a set of local elasticity problems. Solutions to some example problems of nanobars are provided in closed-form for the first time, and commented on. The new solutions provided herein may well serve for benchmark studies, as well as identification of material parameters of nano-sized structural elements, such as carbon nanotubes.
  • Thumbnail Image
    Article
    Citation - WoS: 3
    Citation - Scopus: 3
    Closed-Form Solutions for Elastic Tapered Parabolic Arches Under Uniform Thermal Gradients
    (Springer, 2020-04-15) Eroglu, Ugurcan; Ruta, Giuseppe
    We investigate tapered elastic arches with parabolic axis under uniform thermal gradients. A perturbation of the finite field equations yields a sequence of first-order differential systems, which is turned into a non-dimensional form. If the arch is shallow and slender and its reference shape is stress-free, a closed-form incremental response is found. We comment on the graphics help presenting the results, as a first step towards the investigation of possible non-linear responses superposed on such first-order thermo-elastic state.