Experimental apparatus for sheet metal hemming analysis

Experimental apparatus for sheet metal hemming analysis Sławomir Świłło Faculty of Production Engineering, Warsaw University of Technology, Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2013.2.0449 Abstract: A new portable system for experimental investigation in the process of sheet metal hemming was developed. In the introduction, information was provided about the need to use machine vision systems to solve problems … Read more

Local numerical homogenization in modeling of heterogeneous visco-elastic materials

Local numerical homogenization in modeling of heterogeneous visco-elastic materials Marek Klimczak, Witold Cecot Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków. DOI: https://doi.org/10.7494/cmms.2013.2.0434 Abstract: The main objective of this paper is to present the prospects of application of local numerical homogenization to visco-elastic problems. Local numerical homogenization is one of the computational homogenization methods, … Read more

An experimental and numerical study of material deformation of a blanking process

An experimental and numerical study of material deformation of a blanking process Sławomir Świłło, Piotr Czyżewski Faculty of Production Engineering, Warsaw University of Technology, ul. Narbutta 85, 02-524 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2013.2.0450 Abstract: An experimental and numerical investigation is carried out in order to determine a material deformation of a blanking process. A highly localized, … Read more

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

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

Modelling of stamping process of titanium tailor-welded blanks

Modelling of stamping process of titanium tailor-welded blanks Piotr Lacki, Janina Adamus, Wojciech Więckowski, Julita Winowiecka Częstochowa University of Technology, ul. Dąbrowskiego 69, 42-201 Częstochowa, Poland. DOI: https://doi.org/10.7494/cmms.2013.2.0451 Abstract: In the paper some numerical simulation results of sheet-titanium forming of tailor-welded blanks (TWB) are presented. Forming the spherical caps from the uniform and welded blanks … Read more

Graph grammar for three dimensional multiphysics adaptive finite element method simulations

Graph grammar for three dimensional multiphysics adaptive finite element method simulations Anna Paszyńska1, Maciej Paszyński2 1Jagiellonian University, Faculty of Physics, Astronomy and Applied Computer Science, Reymonta 4, 30-059, Krakow, Poland.2AGH University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunication, Department of Computer Science al. A. Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0404 … Read more

Fitting reactive force fields using genetic algorithms

Fitting reactive force fields using genetic algorithms Henrik R. Larsson, Bernd Hartke Institut für Physikalische Chemie, Christian-Albrechts-Universität, Olshausenstr. 40, 24098 Kiel, Germany. DOI: https://doi.org/10.7494/cmms.2013.1.0420 Abstract: With reactive force fields it is possible to perform atomistic simulations that join the accuracy of quantum chemical treatments (including bond breaking and formation) with the ability to treat hundreds … Read more

Modeling of the nanostructural defects by implementation of molecular static method for heterogeneous hardware architectures

Modeling of the nanostructural defects by implementation of molecular static method for heterogeneous hardware architectures Łukasz Rauch, Daniel Bachniak AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0405 Abstract: Dynamic development of heterogeneous hardware architectures and the increasing range of their practical applications in recent years influenced not only visualization procedures … Read more

Applications of genetic algorithms in nanomaterials science: a short survey of recent results

Applications of genetic algorithms in nanomaterials science: a short survey of recent results Wojciech Paszkowicz Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, 02-668 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0421 Abstract: Global-search procedures are an important element of materials design, processing, and properties determination. Genetic algorithms, a subset of algorithms based on evolutionary computation methods, … Read more

The sensitivity analysis of deep drawing process using flow approach

The sensitivity analysis of deep drawing process using flow approach Tomasz Bednarek1,2, Piotr Kowalczyk1 1Institute of Fundamental Technological Research of the Polish Academy of Sciences, 02-106 Warsaw, Pawińskiego 5B, Poland.2Kazimierz Wielki University, 85-064 Bydgoszcz, Chodkiewicza 30, Poland. DOI: https://doi.org/10.7494/cmms.2013.1.0406 Abstract: he objective of the paper is the sensitivity analysis of deep drawing simulations using flow … Read more