A semiautomatic mesh generation algorithm for three‐dimensional groundwater tetrahedral finite element models
Tullio Tucciarelli · Water Resources Research · 1989
An algorithm for the semiautomatic generation of three‐dimensional groundwater tetrahedral finite element models is proposed. The first step is the representation of the plan of the aquifer by means of a triangular mesh. In the second step the code subdivides each triangular prism into many others according to the layers actually intersected by the prism. All the necessary information for the above said decomposition is obtained from the verticals subtended by the nodes of the plan mesh. The final tetrahedral decomposition generated by the code guarantees the conformity of the elements.