Damage

Numerical analysis of damage during hot forming

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Numerical analysis of damage during hot forming Joanna Szyndler, Muhammad Imran, Muhammad Junaid Afzal, Markus Bambach 1Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany. 2AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2018.3.0619 Abstract: The main aim of the presented research is the analysis of damage evolution in … Read more

Numerical simulations of strain localization for large strain damage-plasticity model

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Numerical simulations of strain localization for large strain damage-plasticity model Balbina Wcisło, Jerzy Pamin Institute for Computational Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland. DOI: https://doi.org/10.7494/cmms.2013.2.0435 Abstract: This paper deals with the phenomenon of strain localization in nonlinear and nonlocal material models. Particularly, in the description of the material not only … Read more

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

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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

Theoretical and numerical issues on ductile failure prediction – an overview

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Theoretical and numerical issues on ductile failure prediction – an overview Jose Manuel De Almeida Cesar De Sa, Filipe Xavier Costa Andrade, Francisco Manuel Andrade Pires Department of Mechanical Engineering – DEMec,Faculty of Engineering, University of Porto – FEUP,Rua Dr. Roberto Frias 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2010.4.0297 Abstract: The main goal of this paper is … Read more

Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect

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Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect Thomas Paris1,2, Khémaïs Saanouni1, Manuel Francois1, Damien Delaplanche2 1University of Technology of Troyes, ICD/LASMIS, CNRS, FRE 2848 BP 2060 10010 Troyes, France. 2CEA Valduc, LCSI 21120 Is-sur-Tille, France. DOI: https://doi.org/10.7494/cmms.2009.1.0203 Abstract: At room temperature, the tantalum is shown to exhibit … Read more

Nonlocal integral formulation for a plasticity-induced damage model

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Nonlocal integral formulation for a plasticity-induced damage model Filipe X.C. Andrade, Francisco m. Andrade Pires, José M.A. César De Sá, Lucival Malcher IDMEC – Mechanical Engineering Institute,Faculty of Engineering, University of Porto,Rua Dr. Roberto Frias s/n 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2009.1.0207 Abstract: Ductile failure prediction commonly involves the use of the finite element method within … Read more

A finite element analysis of the superplastic blow-forming in an awl-shaped die with titanium alloy

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A finite element analysis of the superplastic blow-forming in an awl-shaped die with titanium alloy Dyi-Cheng Chen, Hsin-Neng Wang Department of Industrial Education and Technology,,National Changhua University of Education, Changhua 500, Taiwan, R.O.C.. DOI: https://doi.org/10.7494/cmms.2008.3.0198 Abstract: This study employs commercial DEFORMTM 3D finite element analysis software to simulate the superplastic blowforming of Ti-6Al-4V titanium alloy … Read more

A comparison of meshless and finite element approaches to ductile damage in forming processes

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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

Creep-fatigue of multi-part container during hot extrusion of copper – simulation and experimental comparison

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Creep-fatigue of multi-part container during hot extrusion of copper – simulation and experimental comparison Friedrich Krumphals1, Thomas Wlanis1, Christof Sommitsch1,2, Christian Redl3 1Christian Doppler Laboratory For Materials Modelling And Simulation, University of Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria. 2Chair of Metal Forming, University of Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria. 3Böhler Edelstahl GmbH, Mariazellerstrasse 25, … Read more