Yazar "Baykasoğlu, Cengiz" için Makale Koleksiyonu listeleme
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Optimal design of truss structures using weighted superposition attraction algorithm
Baykasoğlu, Adil; Baykasoğlu, Cengiz (Springer, 2020)In this paper, a recently developed swarm based metaheuristic algorithm called weighted superposition attraction (WSA) is implemented for sizing optimization of truss structures first time in literature. The WSA algorithm ... -
Predicting microstructure evolution during directed energy deposition additive manufacturing of Ti-6Al-4V
Baykasoğlu, Cengiz; Akyıldız, Öncü; Candemir, Duygu; Yang, Qingcheng; To, Albert C. (American Society of Mechanical Engineers (ASME), 2018)Laser engineering net shaping (LENS) is one of the representative processes of directed energy deposition (DED) in which a moving heat source having high-intensity melts and fuses metal powders together to print parts. The ... -
A process-microstructure finite element simulation framework for predicting phase transformations and microhardness for directed energy deposition of Ti6Al4V
Baykasoğlu, Cengiz; Akyıldız, Öncü; Tunay, Merve; To, Albert C. (Elsevier, 2020)This paper presents a process-microstructure finite element modeling framework for predicting the evolution of volumetric phase fractions and microhardness during laser directed energy deposition (DED) additive manufacturing ... -
Rollover crashworthiness analysis of a railroad passenger car
Rollover of railroad passenger cars is one of the most serious accidents having high rates of injuries and fatalities. Therefore, the railroad passenger car structures should satisfy the rollover crashworthiness requirements ... -
Sandwiched graphene-fullerene composite: A novel 3-D nanostructured material for hydrogen storage
Öztürk, Zeynel; Baykasoğlu, Cengiz; Kırca, Mesut (Elsevier Ltd, 2016)The main objective of this paper is to investigate hydrogen storage capacity of a novel carbon based nanoporous material composition that is built up by covalently sandwiched fullerene units between parallel graphene sheets. ... -
Tensile behavior of heat welded CNT network structures
Çelebi, Alper Tunga; Kırca, Mesut; Baykasoğlu, Cengiz; Muğan, Ata; To, Albert C. (Elsevier, 2014)In this study, a computational investigation on the mechanical properties of random carbon nanotube (CNT) networks is reported. For this purpose, atomistic models of 3-D CNT network structures are generated by an automated ... -
Thermal-stress analysis of ceramic laminate veneer restorations with different incisal preparations using micro-computed tomography-based 3D finite element models
Çelebi, Alper Tunga; İçer, Esra; Mert Eren, Meltem; Baykasoğlu, Cengiz; Muğan, Ata; Yıldız, Esra (Elsevier Ltd, 2017)Main objective of this study is to investigate the thermal behavior of ceramic laminate veneer restorations of the maxillary central incisor with different incisal preparations such as butt joint and palatinal chamfer using ... -
Weighted superposition attraction-repulsion (WSAR) algorithm for truss optimization with multiple frequency constraints
Baykasoğlu, Adil; Baykasoğlu, Cengiz (Elsevier Science Inc, 2021)Structural optimization of truss structures under multiple frequency constraints is a highly nonlinear and complex optimization problem with non-convex solution space. The optimization method used to solve mentioned problem ...