cmms

Business rules management system for enterprises in iron and steel industry

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Business rules management system for enterprises in iron and steel industry Andrzej Macioł, Bartłomiej Gaweł, Rafał Jankowski Faculty of Management, AGH University of Science and Technology,,ul. Gramatyka 10, 30-067 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0251 Abstract: The central idea behind Business Rules Engines (BRE) or Business Rules Management Systems (BRMS) is that any organization has a logic … Read more

Numerical modeling of bulk metal forming processes with induced strain path change

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Numerical modeling of bulk metal forming processes with induced strain path change Łukasz Madej1, Stanisław Węglarczyk1, Franciszek Grosman2 1Department of Modeling and Information Technology, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. 2Department of Process Modelling and Medical Engineering Politechnika Śląska, ul. Krasińskiego 8, 40-019, Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0236 Abstract: A … Read more

Structuralization of knowledge about casting defects diagnosis based on rough sets theory

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Structuralization of knowledge about casting defects diagnosis based on rough sets theory Stanisława Kluska-Nawarecka1, Dorota Wilk-Kołodziejczyk2, Grzegorz Dobrowolski2, Edward Nawarecki2 1Foundry Research Institute, Cracow, Poland. 2AGH University of Science and Technology, Cracow, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0252 Abstract: The rough information system is applied in order to structuralize knowledge about casting defects and their reasons, which are … 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

Using fuzzy numbers in fatigue reliability estimation

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Using fuzzy numbers in fatigue reliability estimation Tomasz Bednarek1,2, Piotr Prokopowicz2, Włodzimierz Sosnowski1,2 1Institute of Fundamental Technological Research, PAN, Warsaw, Poland. 2Kazimierz Wielki University, Bydgoszcz, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0206 Abstract: Increasing safety requirements of structures induces necessity of taking into consideration the random nature of variables in the fatigue design. Fatigue analysis of real structures in … Read more

Determination of mechanical properties of the weld zone of tailor-welded blanks

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Determination of mechanical properties of the weld zone of tailor-welded blanks Jerzy Rojek1, Monika Hyrcza-Michalska2, Adam Bokota3, Wiesława Piekarska3 1Institute of Fundamental Technological Research, Warsaw, Poland. 2Politechnika Śląska, Katowice, Poland. 3Politechnika Częstochowska, Częstochowa, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0222 Abstract: The present paper presents different available methods to determine mechanical properties of the weld zone of tailorwelded blanks … Read more

Nonlocal integral formulation for a plasticity-induced damage model

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Nonlocal integral formulation for a plasticity-induced damage model Filipe X.C. Andrade, Francisco m. Andrade Pires, José M.A. César De Sá, Lucival Malcher IDMEC – Mechanical Engineering Institute,Faculty of Engineering, University of Porto,Rua Dr. Roberto Frias s/n 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2009.1.0207 Abstract: Ductile failure prediction commonly involves the use of the finite element method within … Read more

Investigation on sheet hydroforming of tailor-welded blanks and comparison with conventional deep drawing

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Investigation on sheet hydroforming of tailor-welded blanks and comparison with conventional deep drawing Mahdi Qarakhani1, Abolfazl Masoumi1, Mohammad Habibi Parsa2, Alireza Arayee1 1Department of Mechanical Engineering, Faculty of Engineering 2Department of Metallurgy and Materials Engineering, Faculty of Engineering University of Tehran, P.O.Box 11155/4563. DOI: https://doi.org/10.7494/cmms.2009.1.0223 Abstract: In this investigation, finite element simulations were carried out … Read more

Effect of temperature and strain rate on friction factor during hot deformation of al-mg and al-cu-mg al-alloys

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Effect of temperature and strain rate on friction factor during hot deformation of al-mg and al-cu-mg al-alloys Pavel Petrov1, Denis Gnevashev1, Andrey Dubinchin1, Michael Petrov1, Valentin Solotych2, Jon Wostryck Eiesland3 1Moscow State Technical University “MAMI”, B.Semenovskay str. 38, 107023 Moscow, Russia. 2Technical University of Munich, Faculty of Mechanical Engineering. 3Norwegian University of Science and Technology, … Read more