cmms An influence of some process parameters on lateral forces in forging dies Andrzej Kocańda, Piotr Czyżewski Institute of Materials Processing, Warsaw University of Technology,Narbutta 85, 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0144 Abstract: The lateral forces are relatively high in production of nonsymmetrical or extended forgings what results in an offset of the upper and lower dies. … Read more
Influence of forging parameters on tool temperature in hot forging Akihiro Minami1, Yasuo Marumo2, Hiroyuki Tanaka2 , Liqun Ruan2 , Hiroyuki Saiki2 1Department of Mechanical Engineering, Ariake National College of Technology,150 Higashihagio, Omuta, Fukuoka 836-8585, Japan.2Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan. DOI: https://doi.org/10.7494/cmms.2007.2.0145 … Read more
Discrete element modelling of rock cutting Jerzy Rojek Institute of Fundamental Technological Research,Swietokrzyska 21, 00-049 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0147 Abstract: The present paper presents modelling of rock cutting processes using the discrete element method. Numerical algorithm of the discrete element method employing cylindrical and spherical elements has been implemented and numerical simulation of rock cutting … Read more
Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body Zbigniew Gronostajski1, Marek Hawryluk1, Karol Jaśkiewicz1, Adam Niechajowicz1, Sławomir Polak1, Sławomir Walczak2, Andrzej Woźniak2 1Wrocław University of Technology, Department of Plastic Forming Process Engineering, ul. Łukasiewicza 3/5, 50 371 Wrocław, Poland.2GKN Automotive, ul. Południowa 5, 56 400 Oleśnica. … Read more
Numerical study to identify the material parameters of a damage model Renée Schwartz1, Sylvie Castagne2, Anne Marie Habraken1 1University of Liège, ArGEnCo Department, MS2F Division.2Chemin des Chevreuils, 1 4000 Liège, Belgium. DOI: https://doi.org/10.7494/cmms.2007.2.0149 Abstract: In the continuous casting (CC) process, transversal cracks happen. This type of macroscopic damage is due to the process loading in … Read more
Frequency optimization based on “exact” sensitivity and fatigue life estimation Tomasz Bednarek, Włodzimierz Sosnowski Institute of Fundamental Technological Research, PAS, Warsaw Kazimierz Wielki University, Bydgoszcz DOI: https://doi.org/10.7494/cmms.2007.2.0150 Abstract: In this paper the optimization of double – disk rotor shaft system based on sensitivity analysis followed by the fatigue life estimation of optimized shaft is considered. … Read more
Modelling of nanomaterials – sensitivity analysis to determine the nanoindentation test parameters Magdalena Kopernik, Danuta Szeliga Department of Modelling and Information Technology, Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0152 Abstract: Analysis of nanomaterials is challenging in modeling and in experiments. Due to many difficulties in … Read more
A comparison of meshless and finite element approaches to ductile damage in forming processes Jose M. A. Cesar De Sa, Cai Zheng 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.2007.2.0153 Abstract: In this work the ability and versatility of a meshless method, namely the … Read more
Weak and strong coupling of solvers in partitioned solution of solidification problems Arkadiusz Nagórka Częstochowa University of Technology, Institute of Computer and Information Sciences,ul. Dąbrowskiego 73, 42-200 Częstochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0155 Abstract: In this paper a staggered scheme for partitioned solution of a coupled three-dimensional solidification problem is presented. Coupling is considered between several thermal … Read more
The influence of the scale formation and the die angle on the heat transfer in the drawing out process Beata Hadała, Zbigniew Malinowski AGH University of Science and Technology, Al. Mickiewicza 30, Krakow. DOI: https://doi.org/10.7494/cmms.2007.2.0146 Abstract: The article describes the influence of the scale formation and the die angle on the heat transfer in the … Read more