cmms

Numerical modeling of extrusion of profiles with application of dislocation density as an internal variable in the rheological material model Andrij Milenin Czestochowa University of Technology. DOI: https://doi.org/10.7494/cmms.2002.1.0020 Abstract: The problem of the simulation of rheological properties of metals is considered at numerical modeling processes of profile extrusion with high extrusion ratio. The existing ways … Read more

Modyfication of polynomial Bezier’s curves Bogusław Bożek, Prokop Środa AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2002.1.0021 Abstract: The this paper some modification of polynomial Bezier curves is presented. By choise the vector n Î R3 and the parameter t Î (0, 1) one can influence significantly onto change the shape the Bezier’s curves. Cite … Read more

Modeling of deep drawing of tailored blanks joint using laser welding Antoni Piela, Joanna Lisok Silesian University of Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0015 Abstract: Application of welded sheet metal allows for significant decrease of the weight of the car body. Efficient design of the deep drawing technology for these sheets requires simulation of material deformation during industrial … Read more

Application of neural networks to practical implementation of control and analysis of energetic node Krzysztof Kołek, Wojciech Mitkowski AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0016 Abstract: Two examples of application of artificial neural networks in real control systems are described in the paper. The first application transforms data monitored during extended period of exploitation … Read more

Application of evolutionary algorithms in optimal design of elasto-plastic structures Tadeusz Burczyński, Wacław Kuś Silesian University of Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0017 Abstract: The paper is devoted to the application of the evolutionary methods and the finite and boundary element methods (FEM, BEM) to shape optimization of elasto-plastic structures. The minimization of plastic regions in the structure … Read more

Identification of reasons of faults in casts as part of the quality control system Stanisława Kluska-Nawarecka1, Grzegorz Dobrowolski2, Robert Marcjan2, Edward Nawarecki2 1Instytut Odlewnictwa. 2AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0011 Abstract: A proposition of the integrated expert diagnostic system is presented in the paper. The system is oriented towards diagnostics of the faults … Read more

Stabilization of FEM algorithm in application to heat transport equation with convection and internal heat source Zbigniew Malinowski AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0012 Abstract: Stability of FEM algorithms in applications to heat transport equation with convection and internal heat source has been investigated in the paper. Various possibilities of modelling of time … Read more

An effective and reliable implicit scheme for simulation of sheet metal forming processes Marek Kawka, Klaus-Jorgen Bathe Massachusetts Institue of Technology, USA. DOI: https://doi.org/10.7494/cmms.2001.3.0013 Abstract: A proposition of the integrated expert diagnostic system is presented in the paper. The system is oriented towards diagnostics of the faults in casts. All the procedures in the system … Read more

Numerical simulation of secondary oxide scale in hot rolling and descaling operations Michał Krzyżanowski, John Beynon, Michael Sellars The University of Sheffield, Department of Mechanical Engineering. DOI: https://doi.org/10.7494/cmms.2001.3.0014 Abstract: The research reported here concerns the behaviour of the oxide scale that on steels, undergoing hot rolling. By doing a closely-linked combination of laboratory testing and … Read more

Stationary distribution of heat in the non-homogeneous medium Bogusław Bożek1, Konstanty Holly2 1AGH University of Science and Technology. 2Jagiellonian University. DOI: https://doi.org/10.7494/cmms.2001.2.0006 Abstract: The present paper supplements and continues Authors earler work on steady state analysis of heat flow in a non-homogeneous medium. A short survey of theory of mixed boundary-value problem for the stationary … Read more