1. Department of Engineering at University Center Faesa (AEV/FAESA), Espírito Santo, Brazil
2. Department of Sanitary and Environmental Engineering at Federal University of Minas Gerais (UFMG), Brazil
3. Graduate Program in Civil Engineering at Federal University of Espírito Santo (UFES), Brazil
4. Department of Applied Mathematics at UFES & Mathematics Department of the Federal University of Paraná (UFPR), Brazil