Bainitic steels as alternative for conventional carbon-manganese steels in manufacturing of fasteners – simulation of production chain

Bainitic steels as alternative for conventional carbon-manganese steels in manufacturing of fasteners – simulation of production chain Roman Kuziak1, Valery Pidvysots’kyy1, Stanisław Węglarczyk2, Maciej Pietrzyk2 1Institute for Ferrous Metallurgy, K. Miarki 12, 44-100 Gliwice, Poland. 2Akademia Górniczo-Hutnicza, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.3.0369 Abstract: Computer aided design of the manufacturing technology for the fasteners … Read more

Application of a population balance model for prediction of behaviour of non-metallic inclusions in the liquid steel

Application of a population balance model for prediction of behaviour of non-metallic inclusions in the liquid steel Adam Cwudziński, Jan Jowsa Czestochowa University of Technology, Faculty of Materials Processing Technology and Applied,Physics, Department of Metals Extraction and Recirculation, Armii Krajowej 19 ave,,42-200 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2011.3.0371 Abstract: The article presents the results of computer simulations … Read more

Hybrid multi-objective differential evolution for multi-objective optimization of industrial polymeric materials

Hybrid multi-objective differential evolution for multi-objective optimization of industrial polymeric materials Ashish M. Gujarathi, B. V. Babu Chemical Engineering Department,Birla Institute of Tehnology and Science,Pilani – 333031 Rajasthan, India. DOI: https://doi.org/10.7494/cmms.2011.3.0370 Abstract: MOO of industrial case studies involving process design decisions [namely, styrene reactor, polyethylene terephthalate (PET) reactor, and low density polyethylene (LDPE) tubular reactor] … Read more

Cfd (computational fluid dynamic) optimization strategy applied in pultrusion process

Cfd (computational fluid dynamic) optimization strategy applied in pultrusion process Lizandro De Sousa Santos1, Rogério Luz Pagano2, Evaristo Chaubald Biscaia Jr.2, Verônica Maria de Araújo Calado1 1Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil. 2Programa de Engenharia Química–COPPE, Escola de Química, Universidade Federal do Rio de Janeiro, … Read more

EASEA: a generic optimization tool for GPU machines in asynchronous island model

EASEA: a generic optimization tool for GPU machines in asynchronous island model Laurent A. Baumes1, Frederic Kruger2, Pierre Collet2 1ITQ, UPV-CSIC, Valencia, Spain. 2Univ. Strasbourg, LSIIT, FDBT, Illkrirch, France. DOI: https://doi.org/10.7494/cmms.2011.3.0373 Abstract: Very recently, we presented an efficient implementation of Evolutionary Algorithms (EAs) using Graphics Processing Units (GPU) for solving microporous crystal structures. Because of … Read more

Computational approach for predicting the crack propagation of stainless steel plate using damage mechanics

Computational approach for predicting the crack propagation of stainless steel plate using damage mechanics Byung-moon Yoo, Chi-seung Lee, Min-sung Chun, Myung-Hyun Kim, Jae-Myung Lee Department of Naval Architecture and Ocean Engineering, Pusan National University,,Busan 609-735, Republic of Korea. DOI: https://doi.org/10.7494/cmms.2011.2.0347 Abstract: The aim of this study is development of numerical method for the prediction for … Read more

Computational methods in the SLA and FDM techniques in the process of production of an aircraft wheel hub prototype

Computational methods in the SLA and FDM techniques in the process of production of an aircraft wheel hub prototype Jacek Bernaczek, Romana Ewa Śliwa Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics,ul. Powstańców Warszawy 8, 35-959 Rzeszow, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0363 Abstract: The rapid prototyping process was carried out on the example of an … Read more

Crackling noise in a discrete element model of single crack propagation

Crackling noise in a discrete element model of single crack propagation Gábor Timár, Ferenc Kun Department of Theoretical Physics, University of Debrecen,P.O. Box 5, H-4010 Debrecen, Hungary. DOI: https://doi.org/10.7494/cmms.2011.2.0348 Abstract: We study the crackling noise emerging during single crack propagation obtained by discrete element modelling (DEM) in a specimen under three-point bending conditions. Analyzing temporal … Read more

Application of 3D scanning and rapid prototyping in designing metal sheet forming processes

Application of 3D scanning and rapid prototyping in designing metal sheet forming processes Joanna Gołębiewska-Kurzawska, Franciszek Grosman Department of Materials Engineering and Metallurgy, Silesian University of Technology,8 Krasińskiego Street, 40-019 Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0365 Abstract: The procedure of designing sheet metal forming processes for elements which geometrical features are determined experimentally at stand tests has … Read more

Uncertainty of lifetime evaluation for cafe creep damage model

Uncertainty of lifetime evaluation for cafe creep damage model Krzysztof Nowak Politechnika Krakowska, ul. Warszawska 24, 31-155 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0349 Abstract: In the paper the influence of material microstructure randomness upon statistically observed scatter of experimental results on macroscopic level is searched through. It is well known that a lot of random factors influence … Read more