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Modeling of damage phenomena using higher-order finite element formulation (CROSBI ID 637922)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Putar, Filip Modeling of damage phenomena using higher-order finite element formulation // Second Annual PhD Workshop Book of Abstracts / Parunov, J. et al. (ur.). Zagreb: Fakultet strojarstva i brodogradnje Sveučilišta u Zagrebu, 2016. str. 42-42

Podaci o odgovornosti

Putar, Filip

engleski

Modeling of damage phenomena using higher-order finite element formulation

It is well-known that damage phenomena cannot be objectively modeled by using the classical continuum theory because the differential equations which describe the deformation process may lose the elliptic characteristic once the damage is initiated. Mathematical description of the model in that case becomes ill-posed and numerical solutions do not converge to a physically meaningful solution. To overcome these problems, most of the regularization techniques developed are based on the improvement of the classical continuum model by its enrichment with the internal length scale parameters in various forms. Among these techniques especially nonlocal theories are known, which have been shown to be the most versatile. One of them is the strain gradient continuum theory, which introduces the nonlocality in the model through additional gradient term in the strain energy density function.

Damage modeling; C1 continuity finite element; Strain gradient theory; Heterogeneous material

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Podaci o prilogu

42-42.

2016.

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objavljeno

978-953-7738-41-9

Podaci o matičnoj publikaciji

Second Annual PhD Workshop Book of Abstracts

Parunov, J. et al.

Zagreb: Fakultet strojarstva i brodogradnje Sveučilišta u Zagrebu

Podaci o skupu

Second Annual Phd Workshop

predavanje

01.07.2016-01.07.2016

Zagreb, Hrvatska

Povezanost rada

Strojarstvo