Using the System of Graph Grammar for generation of quasi optimal element partition trees in two dimensions

Using the System of Graph Grammar for generation of quasi optimal element partition trees in two dimensions Anna Paszyńska1, Iwona Świderska1, Maciej Woźniak2, Konrad Jopek2, Maciej Paszyński2, Ewa Grabska1, Andrew Lenhart3, Donals Nguyen3, Keshav Pingali3 1Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, ul. St. Łojasiewicza 11, 30-348 Krakow, Poland. 2Department of Computer Science, AGH University of Science and Technology, Al. Mickiewicza … Read more

GPU implementation of Kampmann-Wagner numerical precipitation models

GPU implementation of Kampmann-Wagner numerical precipitation models Øyvind Jensen1, Henrik Lam2, Hallvard Fjær1 1Institute for Energy Technology, N-2027 Kjeller, Norway. 2Impetus AFEA, SE-14160 Huddinge, Sweden. DOI: https://doi.org/10.7494/cmms.2016.3.0581 Abstract: A Kampmann-Wagner type numerical precipitation model (KWN) has been implemented using NVIDIA’s CUDA framework for numerical programming of the graphics processing unit (GPU). Different implementation strategies are discussed and subjected to performance When … Read more

A parallelized model for coupled phase field and crystal plasticity simulation

A parallelized model for coupled phase field and crystal plasticity simulation Mingxuan Lin, Ulrich Prahl Steel Institute, RWTH Aachen University, Germany. DOI: https://doi.org/10.7494/cmms.2016.3.0584 Abstract: The predictive simulation of materials with strong interaction between microstructural evolution and mechanical deformation requires the coupling of two or more multi-physics models. The coupling between phase-field method and various mechanical models have drawn growing … Read more

Topology optimization of carbon based flat structures using parallel computing

Topology optimization of carbon based flat structures using parallel computing Wacław Kuś1, Adam Mrozek2 1Silesian University of Technology, Poland. 2AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2016.3.0585 Abstract: The optimization algorithms based on global techniques like evolutionary algorithms tend to be time consuming due to a very high number … Read more

Numerical analysis of a skew rolling process for producing axle shafts

Numerical analysis of a skew rolling process for producing axle shafts Zbigniew Pater, Janusz Tomczak, Tomasz Bulzak Lublin University of Technology, 36 Nadbystrzycka, 20-618 Lublin, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0561 Abstract: The paper presents a numerical analysis of a skew rolling process for producing axle shafts for a motor truck. In this process, three forming tools (disc or … Read more

Elaboration of ductile fracture criteria based on punching forgeability test

Elaboration of ductile fracture criteria based on punching forgeability test Łukasz Lisiecki, Skubisz Piotr AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0562 Abstract: A new approach of forgeability test, based on compression-punching state of stress was proposed. Comparison of the results of the presented … Read more

Towards processing of multilayered metallic materials – constrained compression testing

Towards processing of multilayered metallic materials – constrained compression testing Szymon Bajda, Michal Krzyzanowski, Marcin Kwiecień, Janusz Majta, Łukasz Lisiecki, Jakub Sroka AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0563 Abstract: The complex analysis of the interface behaviour has been performed during constrained compression testing … Read more

Numerical analysis of data transfer quality in the 3D multi-scale uncoupled concurrent model connected with DMR

Numerical analysis of data transfer quality in the 3D multi-scale uncoupled concurrent model connected with DMR Joanna Szyndler, Konrad Perzyński, Łukasz Madej AGH University of Science and Technology, al. Mickiewicza 30, 30-059, Kraków. DOI: https://doi.org/10.7494/cmms.2016.2.0564 Abstract: Analysis of the quality of obtained results from a 3D multiscale concurrent finite element numerical model based on Digital Material Representation … Read more

The method of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel

The method of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel Maciej Nadolski, Grzegorz Stradomski, Andrzej Zyska Technical University of Czestochowa, Faculty of Production Engineering and Materials Technology, al. Armii Krajowej 19, 42-201 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0565 Abstract: The possibility of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel was assessed for the exemplary final … Read more

Modelling of transient temperature field and phase transformation change a way for residual stress management in large size forgings

Modelling of transient temperature field and phase transformation change a way for residual stress management in large size forgings Jakub Sroka1,4, Jesus Talamantes-Silva2, Michal Krzyzanowski1,3, Mark Rainforth4 1AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. Mickiewicza 30, 30-059, Kraków, Poland. 2Sheffield Forgemasters RD26 Ltd, PO Box 286 Brightside Lane, Sheffield S9 … Read more