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Analysis of shell-like structures by means of a meshless approach (CROSBI ID 151251)

Prilog u časopisu | izvorni znanstveni rad

Sorić, Jurica ; Jarak, Tomislav Analysis of shell-like structures by means of a meshless approach // Rad Hrvatske akademije znanosti i umjetnosti. Tehničke znanosti, 14 (2010), 506; 37-57

Podaci o odgovornosti

Sorić, Jurica ; Jarak, Tomislav

engleski

Analysis of shell-like structures by means of a meshless approach

A meshless computational method based on the local Petrov-Galerkin approach for the analysis of plate and shell structures is presented. A concept of a three dimensional solid is applied. Discretization is carried out by using both the moving least square approximation and polynomial functions. The exact shell geometry can be described. Thickness locking is eliminated by using a hierarchical quadratic approximation over the thickness. The shear locking phenomena in case of thin structures and the sensitivity to rigid body motions are minimized by applying the interpolation functions of a sufficiently high order. The numerical efficiency of the derived concept is demonstrated by the numerical examples.

meshless method; shells; Petrov-Galerkin approach; locking

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Podaci o izdanju

14 (506)

2010.

37-57

objavljeno

1330-0822

Povezanost rada

Strojarstvo