Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body

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

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

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

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

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

Computer processing of results of the wedge rolling test

Computer processing of results of the wedge rolling test Tomáš Kubina1, Ivo Schindler1, Petra Turoňová1, Milan Heger1, Jiří Franz2, Miroslav Liška3, Marek Hlisníkovský4 1VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, 17. listopadu 15, 708 33 Ostrava, Czech Republic. 2AutoCont CZ a.s., Nemocniční 12, 702 00 Ostrava, Czech Republic. 3VÍTKOVICE – … Read more

Multi-scale fem simulation of the drawing process

Multi-scale fem simulation of the drawing process Andriy Milenin1, Zbigniew Muskalski2 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059, Kraków, Poland. 2Czestochowa University of Technology, Al. Armii Krajowej 19, 42-200, Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0137 Abstract: In this paper the wire drawing process is investigated in two levels. They are a steady-state solution using … Read more

Application of qform forging simulation system for prediction of microstructure of aluminum forged parts

Application of qform forging simulation system for prediction of microstructure of aluminum forged parts Sergei Stebunov1, Nikolay Biba1, Alexei Ovchinnikov2, Vitalyi Smelev3 1QuantorForm Ltd., Moscow, Russia. 2Moscow Air Technology University, Moscow, Russia. 3Stupino Metallurgical Company, Moscow region, Russia. DOI: https://doi.org/10.7494/cmms.2007.1.0122 Abstract: The development of numerical simulation of technological processes such as forging and heat treatment … Read more

Possibilities to include in numerical simulation stochastic and discontinuous phenomena occurring in material

Possibilities to include in numerical simulation stochastic and discontinuous phenomena occurring in material Łukasz Madej1, Henryk Paul2, Peter D. Hodgson3, Maciej Pietrzyk1 1Department of Modeling and Information Technology, Akademia Gorniczo Hutnicza, 30-059, Krakow, Poland.2Laboratory of Plastic Deformation of Metals, Polish Academy of Science PAN, 30-059, Krakow, Poland.3Centre for Material and Fiber Innovation, Deakin University, 3217, … Read more

Simulation of phase transportations in the field of internal stresses

Simulation of phase transportations in the field of internal stresses Nikolay M. Vlasov, Ivan I. Fedik Scientific Research Institute Scientific Industrial Association “Luch”,,Zheleznodorozhnaya, 24, Podolsk, Moscow region Russia 142100. DOI: https://doi.org/10.7494/cmms.2007.1.0123 Abstract: The main types of the internal stresses are the thermal and residual ones and fields of structural defects as well. These stresses have … Read more