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A mesoscopical model of shape-memory alloys

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    0083949 - ÚTIA 2008 RIV EE eng J - Journal Article
    Roubíček, Tomáš - Kružík, Martin - Koutný, Jan
    A mesoscopical model of shape-memory alloys.
    [Mesoskopicky model slitin s tvarovou pameti.]
    Proceedings of the Estonian Academy of Sciences - Physics Mathematics. Roč. 56, č. 2 (2007), s. 146-154. ISSN 1406-0086
    R&D Projects: GA AV ČR IAA1075402
    Grant - others:GA ČR(CZ) GA201/06/0352
    Institutional research plan: CEZ:AV0Z10750506
    Keywords : dissipation * hysteresis * rate-independent evolution
    Subject RIV: BA - General Mathematics

    Multiwell stored energy related to austenite and particular martensitic variants as well as a dissipation pseudopotential are used to assembly a mesoscopical model for an isothermal rate-independent martensitic transformation in shape-memory alloys. Theoretical results concerning numerical approximation of involved Young measures by laminates are surveyed and computational experiments are presented for CuAlNi single crystals

    Modelujeme materiály s tvarovou pamětí pomocí vícejámově uložené energie a dissipační energie za konstantní teploty. Kromě numerických experimentů článek shrnuje teoretické výsledky týkající se analýzy modelu.
    Permanent Link: http://hdl.handle.net/11104/0146993

     
     
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