Adaptivity for structured meshfree particle methods in 2D and 3D

2005 ◽  
Vol 63 (11) ◽  
pp. 1559-1582 ◽  
Author(s):  
T. Rabczuk ◽  
T. Belytschko
2000 ◽  
Vol 25 (2-3) ◽  
pp. 99-101 ◽  
Author(s):  
Not Available Not Available

2021 ◽  
Vol 124 ◽  
pp. 14-40
Author(s):  
Farrukh Mazhar ◽  
Ali Javed ◽  
Jing Tang Xing ◽  
Aamer Shahzad ◽  
Mohtashim Mansoor ◽  
...  

2021 ◽  
Author(s):  
Bodhinanda Chandra ◽  
Veronika Singer ◽  
Tobias Teschemacher ◽  
Roland Wüchner ◽  
Antonia Larese

AbstractIn many geomechanics applications, material boundaries are subjected to large displacements and deformation. Under these circumstances, the application of boundary conditions using particle methods, such as the material point method (MPM), becomes a challenging task since material boundaries do not coincide with the background mesh. This paper presents a formulation of penalty augmentation to impose nonhomogeneous, nonconforming Dirichlet boundary conditions in implicit MPM. The penalty augmentation is implemented utilizing boundary particles, which can move either according to or independently from the material deformation. Furthermore, releasing contact boundary condition, as well as the capability to accommodate slip boundaries, is introduced in the current work. The accuracy of the proposed method is assessed in both 2D and 3D cases, by convergence analysis reaching the analytical solution and by comparing the results of nonconforming and classical grid-conforming simulations.


2012 ◽  
Vol 209-212 ◽  
pp. 156-171 ◽  
Author(s):  
Hae-Soo Oh ◽  
Christopher Davis ◽  
Jae Woo Jeong

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