Papers

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

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, al. Adama Mickiewicza 30, 30-059 Kraków. 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 … 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

Stationary distribution of heat in the non-homogeneous medium Bogusław Bożek1, Konstanty Holly2 1AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. 2Jagiellonian University, ul. Gołębia 24, 31-007 Kraków. 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 … Read more

Elimination of volumetric locking in triangular and tetrahedral linear elements. Application to simulation of metal forming processes Jerzy Rojek1, Olgierd C. Zienkiewicz2 1Instytut Podstawowych Problemółw Techniki PAN, Warszawa. 2University of Wales, Swansea. DOI: https://doi.org/10.7494/cmms.2001.2.0007 Abstract: The present paper supplements and continues Authors earler work on steady state analysis of heat flow in a non-homogeneous medium. … Read more

Mesh adaptation in finite element modelling of heat transport processes Barbara Głut, Tomasz Jurczyk, Maciej Pietrzyk AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2001.2.0008 Abstract: The paper focuses on the problem of generation of anisotropic meshes and mesh adaptation for simulation of processes using the finite element method. The … Read more

Numerical modelling of solidification of castings. Sequential and parallel computer simulations Ryszard Parkitny, Roman Wyrzykowski, Norbert Sczygiol, Arkadiusz Nagórka, Tomasz Olas, Grzegorz Szwarc Czestochowa University of Technology . DOI: https://doi.org/10.7494/cmms.2001.2.0009 Abstract: The work concerns numerical modelling of solidification of castings. Enthalpy formulations were used for mathematical description of solidification. Special attention was paid to the possibility … Read more

Application of higher order statistical factors and hamming’s artificial neural network to classification of material microstructure Alexander Mikhalyov, Denis Mikhalyov National Academy of Sciences of Ukraine. DOI: https://doi.org/10.7494/cmms.2001.2.0010 Abstract: The method of classification of material microstructure accounting for texture is presented in the paper. The texture is defined as orientation of elements in three dimensions. … Read more