cmms

Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor

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Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor Oksana Khay1, Viktor Mykhas’Kiv1, Jan Sladek2, Vladimir Sladek2, Chuanzeng Zhang3 1Pidstryhach Institute for Applied Problems of Mechanics and Mathematics NASU, 3-b Naukova Str., 79060 Lviv, Ukraine. 2Department of Mechanics, Institute of Construction and Architecture, 9 … Read more

On the forming and fracture limits of sheet metals

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On the forming and fracture limits of sheet metals Antti S. Korhonen1, Timo Manninen2, Jeong-Whan Yoon3 1Department of Materials Science and Engineering, Helsinki University of Technology. 2Outokumpu Stainless Oyj, Tornio Research Center. 3Alcoa Technical Center, Division of Materials Science. DOI: https://doi.org/10.7494/cmms.2009.1.0220 Abstract: The forming and fracture limits of stainless steel and aluminum were studied. Hydraulic … Read more

Failure modelling of friction stir welded joints in tensile tests

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Failure modelling of friction stir welded joints in tensile tests Guido Borino1, Livan Fratini2, Francesco Parrinello1, Antonino Bulgarella2 1University of Palermo, Dipartimento di Ingegneria Strutturale e Geotecnica, Palermo, Italy. 2University of Palermo, Dipartimento di Tecnologia Meccanica, Produzione ed Ingegneria Gestionale, Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2009.1.0205 Abstract: The paper concerns with the mechanical modelling and the finite … Read more

A new method for the evaluation of the yield criteria accuracy

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A new method for the evaluation of the yield criteria accuracy Liana Paraianu, Dorel Banabic Research Centre in Sheet Metal Forming Technologies – CERTETA,Technical University of Cluj-Napoca, C. Daicoviciu 15, 400020 Cluj-Napoca, Romania. DOI: https://doi.org/10.7494/cmms.2009.1.0221 Abstract: The paper presents a test used to estimate the predictive accuracy of a few yield criteria for anisotropic materials. … Read more

Application of the cyclic plasticity hardening law to metal forming

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Application of the cyclic plasticity hardening law to metal forming Krzysztof Muszka, Konrad Perzyński, Łukasz Madej AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2008.4.0255 Abstract: Creation of a robust numerical model of the low cyclic plastic deformation is essential for predicting inhomogeneities occurring during strain path change. Application of … Read more

Phase transition simulations for solidification of fe-c alloy with cellular automata interfaced with self-adaptive hp finite element method for non-stationary heat and mass transport problems

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Phase transition simulations for solidification of fe-c alloy with cellular automata interfaced with self-adaptive hp finite element method for non-stationary heat and mass transport problems Maciej Paszyński1, Jerzy Gawąd2, Paweł Matuszyk2, Łukasz Madej2, Dorota Podorska3 1Department of Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland. 2Department of Applied Computer … Read more

The application of the morris method for determination of ranges of parameters variation, having assumed influence on calculation result

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The application of the morris method for determination of ranges of parameters variation, having assumed influence on calculation result Norbert Sczygiol, Robert Dyja Czestochowa University of Technology, Institute of Computer and Information Sciences,,73 Dabrowskiego str., 42-200 Czestochowa. DOI: https://doi.org/10.7494/cmms.2008.4.0257 Abstract: A method of sensitivity analysis for determining acceptable ranges of uncertainty of tested model’s parameters … Read more

Computer aided design of manufacturing technology for copper-chromium alloys

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Computer aided design of manufacturing technology for copper-chromium alloys Jarosław Nowak1, Stanisław Węglarczyk1, Roman Kuziak2, Krzysztof Drozdowski3, Maciej Pietrzyk1 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland. 2Institute for Ferrous Metallurgy, ul. K. Miarki 12, 44-100 Gliwice, Poland. 3Zakład Obróbki Plastycznej, ul. Kuźnicza 13, 21-045 Świdnik k/Lublina, Poland. DOI: https://doi.org/10.7494/cmms.2008.4.0258 Abstract: … Read more

Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes

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Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes Joseph S. Ajiboye Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria;,present address: KAIST Valufacture Institute of Mechanical Engineering, School of Mechanical,,Aerospace & Systems Engineering, Korea Advanced Institute of Science and Technology,Daejeon 305-701, Korea DOI: https://doi.org/10.7494/cmms.2008.4.0259 Abstract: A numerical model based on … Read more

Rectilinear viscoelastic flows in ducts

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Rectilinear viscoelastic flows in ducts Michel Beaulne1, Evan Mitsoulis2 1Department of Chemical Engineering, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada. 2School of Mining Engineering and Metallurgy, National Technical University of Athens, Zografou 157 80, Athens, Greece. DOI: https://doi.org/10.7494/cmms.2008.3.0195 Abstract: Axial flows in generalized ducts are studied for viscoelastic materials including a linear low-density polyethylene … Read more