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Numerical Investigation on Direct MLPG for2D and 3D Potential Problems

Annamaria Mazzia1, Giorgio Pini1, Flavio Sartoretto2

Dipartimento ICEA Università di Padova Via Trieste 63, 35121 Padova, Italy {annamaria.mazzia,giorgio.pini}
DAIS, Università Ca’ Foscari Venezia Via Torino 155, 10173 Venezia, Italy

Computer Modeling in Engineering & Sciences 2012, 88(3), 183-210.


Pure meshless techniques are promising methods for solving Partial Differential Equations (PDE). They alleviate difficulties both in designing discretization meshes, and in refining/coarsening, a task which is demanded e.g. in adaptive strategies. Meshless Local Petrov Galerkin (MLPG) methods are pure meshless techniques that receive increasing attention. Very recently, new methods, called Direct MLPG (DMLPG), have been proposed. They rely upon approximating PDE via the Generalized Moving Least Square method. DMLPG methods alleviate some difficulties of MLPG, e.g. numerical integration of tricky, non-polynomial factors, in weak forms. DMLPG techniques require lower computational costs respect to their MLPG counterparts. In this paper we numerically analyze the solution of test 2D problems via DMLPG. We report about our expansion of meshless techniques to 3D problems. Finally, we perform comparisons between DMLPG and two MLPG techniques, when solving 3D problems.


Cite This Article

APA Style
Mazzia, A., Pini, G., Sartoretto, F. (2012). Numerical investigation on direct MLPG for2d and 3D potential problems. Computer Modeling in Engineering & Sciences, 88(3), 183-210.
Vancouver Style
Mazzia A, Pini G, Sartoretto F. Numerical investigation on direct MLPG for2d and 3D potential problems. Comput Model Eng Sci. 2012;88(3):183-210
IEEE Style
A. Mazzia, G. Pini, and F. Sartoretto "Numerical Investigation on Direct MLPG for2D and 3D Potential Problems," Comput. Model. Eng. Sci., vol. 88, no. 3, pp. 183-210. 2012.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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