cmms

A comparison of models for ductile fracture prediction in forging processes

by

A comparison of models for ductile fracture prediction in forging processes Cai Zheng, Jose M.A. Cesar De Sa, F.M. Andrade Pires 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.2007.4.0180 Abstract: The possibility of predicting ductile fracture plays an important role in the design of … Read more

Explicit microscopic fatigue analysis of forged components

by

Explicit microscopic fatigue analysis of forged components Marc Milesi, Yvan Chastel, Marc Bernacki, Roland E. Logé, Pierre-Olivier Bouchard CEMEF – ENSMP, Centre de Mise en Forme des Matériaux,,UMR CNRS 7635, BP 207, 06904 Sophia Antipolis Cedex, France. DOI: https://doi.org/10.7494/cmms.2007.4.0181 Abstract: Numerical modelling of fatigue behavior for anisotropic structures has become critical for design applications. This … Read more

Mapping microstructure in ac and psc testpieces deformed at high temperature

by

Mapping microstructure in ac and psc testpieces deformed at high temperature Bryan Roebuck1, Ken P. Mingard1, Matthew Brooks1, Eric J. Palmiere2, Brad P. Wynne2, Matthew J. Thomas2 1NPL, Teddington, Middlesex, London, UK. 2IMMPETUS, Institute for Microstructural and Mechanical Process Engineering, The University of Sheffield, Sheffield, UK. DOI: https://doi.org/10.7494/cmms.2007.4.0182 Abstract: Good measurement infrastructure is vital for … Read more

Optimisation strategies to determine process parameters in tube hydroforming

by

Optimisation strategies to determine process parameters in tube hydroforming Rosa Di Lorenzo, Giuseppe Ingarao, Fabrizio Micari Università di Palermo, Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale, Palermo. DOI: https://doi.org/10.7494/cmms.2007.3.0174 Abstract: In tube hydroforming the concurrent actions of pressurized fluid and mechanical feeding allows to obtain tube shapes characterized by complex geometries such as different … Read more

Comparison of mathematical models for the turbulent fluid flow, heat transfer and solidification in the continuous casting process

by

Comparison of mathematical models for the turbulent fluid flow, heat transfer and solidification in the continuous casting process Rodrigo Ottoni Da Silva Pereira, Roberto Parreiras Tavares Federal University of Minas Gerais, Belo Horizonte, Brazil. DOI: https://doi.org/10.7494/cmms.2007.3.0175 Abstract: In the present work a mathematical model for the continuous casting process and its principal phenomena was developed. … Read more

On the support uml diagrams understanding during the software maintenance

by

On the support uml diagrams understanding during the software maintenance Leszek Kotulski, Artur Basiura Department of Automatics, AGH – University of Science and Technology, al. Mickiewicza 30, Kraków, Poland,DRQ S.A., ul. Podwale 3, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.3.0176 Abstract: “UML diagrams are generally accepted technique of supporting computing modeling and maintenance systems that are independent from … Read more

The influence of the scale formation and the die angle on the heat transfer in the drawing out process

by

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

Application of the coupled boundary element method with atomic model in the static analysis

by

Application of the coupled boundary element method with atomic model in the static analysis Adam Mrozek1, Wacław Kuś1, Tadeusz Burczyński1,2 1Department for Strength of Materials and Computational Mechanics, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland. 2Department of Artificial Intelligence, Institute of Computer Modelling, Cracow University of Technology, ul. Warszawska 24, 31-155 Cracow, … Read more

The use of morris method in sensitivity analysis of the numeric model of solidification

by

The use of morris method in sensitivity analysis of the numeric model of solidification Norbert Sczygiol, Robert Dyja Czestochowa University of Technology, Institute of Computer and Information Sciences,. DOI: https://doi.org/10.7494/cmms.2007.2.0151 Abstract: In this work use of the Morris method in sensitivity analysis of a numerical model of solidification is discussed. Sensitivity analysis permits to study … Read more

Finite element analysis of nodal release approach to model ductile fracture in metal sheets

by

Finite element analysis of nodal release approach to model ductile fracture in metal sheets Bernd-Arno Behrens, Kanwar Bir Sidhu Institute of Metal Forming and Metal Forming Machines,An der Universität 2, 30823 Garbsen, Germany. DOI: https://doi.org/10.7494/cmms.2007.2.0157 Abstract: The FE-simulation of ductile fracture processes for discrete crack propagation using nodal release approach is well established for modelling … Read more