cmms

Lemaitre’s damage nonlocal model performance under crack initiation and propagation

by

Lemaitre’s damage nonlocal model performance under crack initiation and propagation Mariana R.R. Seabra, Jose M.A. Cesar De Sa IDMEC-Institute for Mechanical Engineering,Faculty of Engineering, University of Porto,Rua Dr. Roberto Frias s/n 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2013.1.0407 Abstract: Modelling of ductile fracture is a rather challenging task due to the complexity of the physical phenomena involved. … Read more

Mathematical modelling of iron ore sintering process using genetic algorithm: effect of moisture evaporation and condensation on the temperature profile

by

Mathematical modelling of iron ore sintering process using genetic algorithm: effect of moisture evaporation and condensation on the temperature profile Sekhar Suman, Brijesh K. Giri, Gour G. Roy Department of Metallurgical & Materials Engineering, Kharagpur, 721 302, India. DOI: https://doi.org/10.7494/cmms.2013.1.0423 Abstract: Sintering is a process where iron ore fines are agglomerated in the form of … Read more

Prediction and validation of hot tearing in permanent mold steel casting using a viscoplastic damage model

by

Prediction and validation of hot tearing in permanent mold steel casting using a viscoplastic damage model S. Hadžić1, E. Schmidtne Kelity2, C. Sommitsch1 1Graz University of Technology Institute for Materials Science and Welding, Christian Doppler Laboratory for Materials Modeling and Simulation, Kopernikusgasse 24/I, 8010 Graz, Austria.2Voestalpine Gießerei Linz GmbH, voestapline – Straße 3, 4020 Linz, … Read more

Ladle nozzle opening and genetic programming

by

Ladle nozzle opening and genetic programming Miha Kovačič1, Beno Jurjovec2, Luka Krajnc2 1ŠTORE STEEL d.o.o., Železarska cesta 3, SI-3220 Štore, Laboratory for Multiphase Processes, University of Nova Gorica, Vipavska 13, SI-5000, Slovenia.2ŠTORE STEEL d.o.o., Železarska cesta 3, SI-3220 Štore, Slovenia. DOI: https://doi.org/10.7494/cmms.2013.1.0424 Abstract: Štore Steel Ltd. faces a huge problem with ladle nozzle opening during … Read more

Effect of friction on failure location in sheet metal formability tests

by

Effect of friction on failure location in sheet metal formability tests Dmytro Lumelskyy1, Izabela Marczewska1, Jerzy Rojek1, Ryszard Pęcherski1, Franciszek Grosman2, Marek Tkocz2 1Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, 02-106Warsaw, Poland.2Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0409 Abstract: This paper presents numerical investigations of the influence … Read more

An overview of numerical optimization applications for friction stir welding

by

An overview of numerical optimization applications for friction stir welding Cem C. Tutum, Jesper H. Hattel Technical University of Denmark (DTU), Department of Mechanical Engineering, Kgs. Lyngby, 2800 Denmark. DOI: https://doi.org/10.7494/cmms.2013.1.0425 Abstract: Recent advances in the computational power, and at the same time, the software that is capable of taking advantage of the new hardware … Read more

Statistical and probabilistic techniques in modeling of epoxy cracking phenomena

by

Statistical and probabilistic techniques in modeling of epoxy cracking phenomena Tomasz Nowak1, Mateusz Ambroziński2 1ABB Corporate Research Center, Krakow, Poland.2AGH University of Science and Technology, Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0410 Abstract: Epoxy resins filled with mineral particles, such as silica and alumina, are well known and extensively used as insulating materials in power product applications. They … Read more

A genetic algorithm for optimizing production in a cold rolled steel slitting line

by

A genetic algorithm for optimizing production in a cold rolled steel slitting line Biswajit Mahanty, Prabal Rakshit Department of Industrial Engineering and Management, Indian Institute of Technology Kharagpur, Kharagpur, WB-721302, India. DOI: https://doi.org/10.7494/cmms.2013.1.0426 Abstract: This paper presents a genetic algorithm for optimizing production in a cold rolled steel slitting line in a steel service center … Read more

Non standard samples behaviour law parameters determination by inverse analysis

by

Non standard samples behaviour law parameters determination by inverse analysis Matthieu Petitprez, Katia Mocellin MINES ParisTech, CEMEF – Centre de Mise en Forme des Matériaux,,CNRS UMR 7635, BP 207, 1 rue Claude Daunesse, 06904 Sophia Antipolis cedex, France. DOI: https://doi.org/10.7494/cmms.2013.1.0411 Abstract: Electrical contact crimping is a process commonly used in aeronautical and aero spatial applications. … Read more

Model of surface tension in the keyhole formation area during laser welding

by

Model of surface tension in the keyhole formation area during laser welding Aleksander Siwek AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0427 Abstract: The nature of the laser welding process depends among others on the beam power density. Increasing the amount of energy supplied to the material, results … Read more