نتایج جستجو برای: lode parameter

تعداد نتایج: 215138  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1376

in this thesis our aim is to construct vector field in r3 for which the corresponding one-dimensional maps have certain discontinuities. two kinds of vector fields are considered, the first the lorenz vector field, and the second originally introced here. the latter have chaotic behavior and motivate a class of one-parameter families of maps which have positive lyapunov exponents for an open in...

Journal: :Computer Methods in Applied Mechanics and Engineering 2022

Phase field models for ductile fracture have gained significant attention in the last two decades due to their ability implicitly tracking nucleation and propagation of cracks. However, most crack phase formulations elastoplastic solids focus only on effects plastic deformation , do not consider different multi-axial stress states that may arise practical designs. In this work, a thermodynamica...

Journal: :bulletin of the iranian mathematical society 2011
m. khanehgir m. janfada a. niknam

Journal: :International Journal for Numerical and Analytical Methods in Geomechanics 2020

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