Nosso grupo organiza mais de 3.000 Séries de conferências Eventos todos os anos nos EUA, Europa e outros países. Ásia com o apoio de mais 1.000 Sociedades e publica mais de 700 Acesso aberto Periódicos que contém mais de 50.000 personalidades eminentes, cientistas de renome como membros do conselho editorial.
Periódicos de acesso aberto ganhando mais leitores e citações
700 periódicos e 15 milhões de leitores Cada periódico está obtendo mais de 25.000 leitores
Abdon Atangana and Botha J.F
In this paper, we make use of the homotopy decomposition to solve the groundwater flow equation. The solution obtained via the method was compared to the existing solutions including Theis and Cooper Jacob. To test the validity of the solution we compare it with two set of experimental data from real world situation. The first is from a pumping test conducted in the polder ‘Oude Korendijk’, south of Rotterdam, the Netherlands. For this last set, the well screen was installed over the whole thickness of the aquifer, and piezometers were placed at distances of 30, 90, and 215 m from the well, and at different depths. The well was pumped at a constant discharge of 9.12 I/s for nearly 14 hours. The graphical representations of the comparison revealed a good agreement of experimental data with the proposed solution.