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Proceedings Papers

The Failure Mechanism in CFRP Cross-Ply Curved Composite Laminates

Ahmet Çevik, Demirkan Çöker
Proc. ASME. IMECE2023, Volume 11: Mechanics of Solids, Structures and Fluids, V011T12A030, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112524
https://doi.org/10.1115/IMECE2023-112524
View Paper titled, The Failure Mechanism in CFRP Cross-Ply Curved Composite Laminates
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Topics: Carbon reinforced plastics, Composite materials, Delamination, Failure mechanisms, Fracture (Materials), Laminates
Proceedings Papers

In-Situ Damage Progression Observations in Cross-Ply CFRP Composite Beams Under Low-Velocity Impact and Quasi-Static Indentation Loading

Onur Ali Batmaz, Demirkan Coker
Proc. ASME. IMECE2023, Volume 11: Mechanics of Solids, Structures and Fluids, V011T12A029, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112520
https://doi.org/10.1115/IMECE2023-112520
View Paper titled, In-Situ Damage Progression Observations in Cross-Ply CFRP Composite Beams Under Low-Velocity Impact and Quasi-Static Indentation Loading
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Topics: Carbon reinforced plastics, Composite building materials, Damage, Laminates
Proceedings Papers

Creating Stronger Interfaces in Additively Manufactured Multimaterial Polymer Composites Under Shear Loading

Umut Altuntaş, Demirkan Coker, Denizhan Yavas
Proc. ASME. IMECE2023, Volume 3: Advanced Manufacturing, V003T03A007, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113851
https://doi.org/10.1115/IMECE2023-113851
View Paper titled, Creating Stronger Interfaces in Additively Manufactured Multimaterial Polymer Composites Under Shear Loading
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Topics: Additive manufacturing, Fracture (Materials), Polymer composites, Shear (Mechanics), Shear strength
Proceedings Papers

Efficient Modeling of Blades via Beam Element in the Multi-Objective Optimization of Small Wind Turbine Blades

Altan Kayran, Demirkan Çöker, Can Muyan, Onur Ali Batmaz, Abolfazl Pourrajabian, David Wood
Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T05A008, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113348
https://doi.org/10.1115/IMECE2023-113348
View Paper titled, Efficient Modeling of Blades via Beam Element in the Multi-Objective Optimization of Small Wind Turbine Blades
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Topics: Blades, Finite element model, Modeling, Optimization, Pareto optimization, Structural analysis, Wind turbines
Proceedings Papers

Subsonic and Intersonic Dynamic Crack Growth in Unidirectional Composites

Demirkan Coker, Ares J. Rosakis, Yonggang Y. Huang
Proc. ASME. IMECE99, Thick Composites for Load Bearing Structures, 75-86, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0906
https://doi.org/10.1115/IMECE1999-0906
View Paper titled, Subsonic and Intersonic Dynamic Crack Growth in Unidirectional Composites
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Topics: Composite materials, Fracture (Materials), Fibers, Plates (structures), Die cutting, Epoxy adhesives, Epoxy resins, Graphite, Interferometry, Photography
Journal Articles

Development of Bolted Flange Design Tool Based on Artificial Neural Network

Alper Yıldırım, Ahmet Arda Akay, Hasan Gülaşık, Demirkan Çoker, Ercan Gürses, Altan Kayran
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. October 2019, 141(5): 051203.
Paper No: PVT-17-1186
https://doi.org/10.1115/1.4043915
Published Online: July 17, 2019
View Articletitled, Development of Bolted Flange Design Tool Based on Artificial Neural Network
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Topics: Artificial neural networks, Bolted flanges, Design, Finite element analysis, Flanges, Stress
Proceedings Papers

Finite Element Modelling of TBC Failure Mechanisms by Using XFEM

Safa Mesut Bostancı, Ercan Gürses, Demirkan Çöker
Proc. ASME. IMECE2018, Volume 1: Advances in Aerospace Technology, V001T03A011, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86576
https://doi.org/10.1115/IMECE2018-86576
View Paper titled, Finite Element Modelling of TBC Failure Mechanisms by Using XFEM
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Topics: Failure mechanisms, Finite element analysis, Modeling, Fracture (Materials), Thermal barrier coatings, Brittleness, Ceramics, Computer software, Cracking (Materials), Design
Proceedings Papers

Experimental Study and Finite Element Analysis of Dovetail Attachments

Ahmet Arda Akay, Demirkan Çöker, Altan Kayran, Ercan Gürses
Proc. ASME. IMECE2017, Volume 1: Advances in Aerospace Technology, V001T03A011, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-70180
https://doi.org/10.1115/IMECE2017-70180
View Paper titled, Experimental Study and Finite Element Analysis of Dovetail Attachments
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Topics: Finite element analysis, Blades, Disks, Stress, Aircraft engines, Centrifugal force, Compressors, Fatigue, Strain gages, Tension
Proceedings Papers

Development of Artificial Neural Network Based Design Tool for Aircraft Engine Bolted Flange Connection Subject to Combined Axial and Moment Load

T. Volkan Sanli, Ercan Gürses, Demirkan Çöker, Altan Kayran
Proc. ASME. IMECE2017, Volume 1: Advances in Aerospace Technology, V001T03A023, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-70448
https://doi.org/10.1115/IMECE2017-70448
View Paper titled, Development of Artificial Neural Network Based Design Tool for Aircraft Engine Bolted Flange Connection Subject to Combined Axial and Moment Load
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Topics: Aircraft engines, Artificial neural networks, Bolted flanges, Design, Stress, Finite element analysis, Weight (Mass), Aircraft, Databases, Engines
Proceedings Papers

Development of Bolted Flange Design Tool Based on Finite Element Analysis and Artificial Neural Network

Alper Yildirim, Ahmet Arda Akay, Hasan Gulasik, Demirkan Coker, Ercan Gurses, Altan Kayran
Proc. ASME. IMECE2015, Volume 9: Mechanics of Solids, Structures and Fluids, V009T12A033, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-51021
https://doi.org/10.1115/IMECE2015-51021
View Paper titled, Development of Bolted Flange Design Tool Based on Finite Element Analysis and Artificial Neural Network
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Topics: Artificial neural networks, Bolted flanges, Design, Finite element analysis, Structural analysis, Databases, Aircraft engines, Algorithms, Approximation, Flanges
Proceedings Papers

Experimental and Computational Investigation of Debonding at the Interface of Two L-Shaped Polycarbonate Plates

Denizhan Yavas, Imren Uyar, Burak Gozluklu, Demirkan Coker
Proc. ASME. IMECE2012, Volume 8: Mechanics of Solids, Structures and Fluids, 149-154, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88425
https://doi.org/10.1115/IMECE2012-88425
View Paper titled, Experimental and Computational Investigation of Debonding at the Interface of Two L-Shaped Polycarbonate Plates
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Topics: Plates (structures), Fracture (Materials), Stress, Composite materials, Delamination, Displacement, Aerospace industry, Blades, Corners (Structural elements), Finite element analysis
Proceedings Papers

Failure Mode Transition During Delamination of Thick Unidirectional L-Shaped Composite Laminates

Denizhan Yavas, Burak Gozluklu, Demirkan Coker
Proc. ASME. IMECE2012, Volume 8: Mechanics of Solids, Structures and Fluids, 289-296, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88409
https://doi.org/10.1115/IMECE2012-88409
View Paper titled, Failure Mode Transition During Delamination of Thick Unidirectional L-Shaped Composite Laminates
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Topics: Composite materials, Delamination, Failure mechanisms, Laminates, Fracture (Materials), Blades, Carbon reinforced plastics, Finite element analysis, Spar platforms, Wind turbines
Proceedings Papers

Modeling of Dynamic Delamination in L-Shaped Composite Brackets

Burak Gözlüklü, Demirkan Çöker
Proc. ASME. IMECE2012, Volume 1: Advances in Aerospace Technology, 153-164, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87831
https://doi.org/10.1115/IMECE2012-87831
View Paper titled, Modeling of Dynamic Delamination in L-Shaped Composite Brackets
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Topics: Composite materials, Delamination, Modeling, Fracture (Materials), Stress, Aircraft, Corners (Structural elements), Design, Failure, Finite element analysis