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The Meccano Method for Tetrahedral Mesh Generation over Terrain

MEC y FEDER Projects: CGL2011-29396-C03-01

E. Rodríguez(1), A. Oliver(2), R. Montenegro(1)*, J.M. Escobar (1), J.M. Cascón(3), J.C. González (1)

(1) University Institute SIANI, University of Las Palmas de Gran Canaria, Spain(2) LaCán, Polytechnic University of Catalonia, Barcelona, Spain(3) Department of Economics and History of Economics, University of Salamanca, Spain

AEMET, 17–18 May 2012, Madrid, Spain

Madrid: Centro Nacional de Información Geográfica, step 25 m

http://www.cnig.es/

Meccano Method for Tetrahedral Mesh Generation

(Xmin,Ymin)=(372300,4446800)

(Xmax,Ymax)=(512400,4575900)

140 km

130 km

The Mesh Generation Code (Prototype)


Madrid: Elevation between 416 m and 2430 m


Madrid: 171911 nodes on the terrain surface


Madrid: Elevation between 416 m and 2430 m


Madrid: 171911 nodes on the terrain surface


Madrid: Transient triangulation of the 3-D domain surface


Madrid: 3-D domain; the upper plane is placed at 10 km


Madrid: Tetrahedral mesh with 824.379 nodes and 3.569.164 tetrahedra

qmin = 0.17 ; qmean = 0.77 ; only 3 tetrahedra with q < 0.3

con solo 3 elementos por debajo de 0.3.


Application to Gran Canaria Island


Gran Canaria: La Isleta


Gran Canaria: Stack of Jinámar


La Palma Island

The Meccano Method for Tetrahedral Mesh Generation

Building insertion on a plane


Stack insertion on a ramp


http:// the meccano method for tetrahedral mesh generation over terrain mec y feder projects:...

Documents

tetrahedral mesh generation

isleta meccano method

spain slide

terrain surface meccano

stack of jinmar meccano

palma island

university of salamanca

spain aemet