Aqeel Afzal Chaudhry

Mr. Aqeel Afzal Chaudhry

Technische Universität Bergakademie Freiberg, Germany
orcid

Research Focus & Metrics

Academic Career Length

8Years (2019-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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17 October 2020 in Crystals
Verified
Journal Article
Open access
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Faisal QayyumFaisal Qayyum
Faisal Qayyum
Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
Sergey GukSergey Guk
Sergey Guk
MSMatthias Schmidtchen
Matthias Schmidtchen
Rudolf KawallaRudolf Kawalla
Rudolf Kawalla
Ulrich PrahlUlrich Prahl
Ulrich Prahl
Crystal plasticity simulations help to understand the local deformation behavior of multi-phase materials based on the microstructural attributes. The results of such simulations are mainly dependent on the Representative Volume Element (RVE) size and composition. The effect of RVE thickness on the changing global and local stress and strain is analyzed in this work for a test case of dual-phase steels in order to identify the minimal RVE thickness for obtaining consistent results. 100×100×100 voxel representative volume elements are constructed by varying grain size and random orientation distribution in DREAM-3D. The constructed RVEs are sliced in depth up to 1, 5, 10, 15, 20, 25, 30, 40, and 50 layers to construct different geometries with increasing thickness. Crystal plasticity model parameters for ferrite and martensite are taken from already published data and assigned to respective phases. Although the global stress/strain behavior of different RVEs is similar (<5% divergence), the local stress/strain partitioning in RVEs with varying thickness and grain size shows a considerable variation when statistically compared. It is concluded that two-dimensional (2D) RVEs can be used for crystal plasticity simulations when global deformation behavior is of interest. Whereas, it is necessary to consider three-dimensional (3D) RVEs, which have a specific thickness and number of grains for determining stabilized and more accurate local deformation behavior. This estimation will help researchers in optimizing the computation time for accurate mesoscale simulations.

13 September 2019 in International Journal for Numerical and Analytical Methods in Geomechanics
Verified
Journal Article
Open access
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Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
JBJörg Buchwald
Jörg Buchwald
OKOlaf Kolditz
Olaf Kolditz
TNThomas Nagel
Thomas Nagel
Summary: We provide a brief review of the results obtained by Booker and Savvidou in their original 1985 paper describing the consolidation around a point heat source embedded in a fluid‐saturated porous medium. Although it gained a lot of attention in recent years, mainly as a benchmark problem for numerical codes, the analytical expressions for normal and shear stresses could not be confirmed to be correct. In this manuscript, we verify the expressions for temperature, pressure, and displacement and derive new expressions for the stress tensor withstanding numerical verification using the scientific open‐source thermo‐hydro‐mechanical‐chemical (THMC) simulator OpenGeoSys.

1 March 2021 in International Journal of Rock Mechanics and Mining Sciences
Verified
Journal Article
Closed access
Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
JBJörg Buchwald
Jörg Buchwald
TNThomas Nagel
Thomas Nagel

1 October 2020 in International Journal of Rock Mechanics and Mining Sciences
Verified
Journal Article
Closed access
JBJ. Buchwald
J. Buchwald
Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
KYK. Yoshioka
K. Yoshioka
OKO. Kolditz
O. Kolditz
SAS. Attinger
S. Attinger
TNT. Nagel
T. Nagel

24 February 2025 in Reliability Engineering & System Safety
Verified
Journal Article
Open access
Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
CZChao Zhang
Chao Zhang
OEOliver G. Ernst
Oliver G. Ernst
TNThomas Nagel
Thomas Nagel

28 January 2025 in Geomechanics for Energy and the Environment
Verified
Journal Article
Open access
SKSonja Kaiser
Sonja Kaiser
WWWenqing Wang
Wenqing Wang
JBJörg Buchwald
Jörg Buchwald
DNDmitri Naumov
Dmitri Naumov
Aqeel Afzal ChaudhryAqeel Afzal Chaudhry
Aqeel Afzal Chaudhry
TNThomas Nagel
Thomas Nagel