activity
20102025
most citedCalibration of the Transport Parameters of a Local Problem of Water Quality in Igapó I Lake

22 citations · 49 across the 13 of their papers we have counts for

collaborators

14 papers

q-bio.PE2025★ 1 cited

Numerical simulation of atmospheric transport and dispersion of Phakopsora pachyrhizi urediniospores in South America using the state of Paraná-Brazil as a model

Eduardo Oliveira Belinelli, Lucas Henrique Fantin, Marcelo Giovanetti Canteri +4

Phakopsora pachyrhizi is a biotrophic fungus that requires living plant tissue to survive in the wild for extended periods. The fungus causes Asian rust and costs billions of US do…

math.NA2022★ 1 cited

Numerical convergence of a Telegraph Predator-Prey System

Kariston Stevan Luiz, Juniormar Organista, Eliandro Rodrigues Cirilo +2

The numerical convergence of a Telegraph Predator-Prey system is studied. This system of partial differential equations (PDEs) can describe various biological systems with reactive…

cs.CG2022

Rectangular mesh contour generation algorithm for finite differences calculus

Pedro Zaffalon da Silva, Neyva Maria Lopes Romeiro, Iury Pereira de Souza +2

In this work, a 2D contour generation algorithm is proposed for irregular regions. The contour of the physical domain is approximated by mesh segments using the known coordinates o…

physics.soc-ph2022★ 6 cited

A sewage management proposal for Luruaco lake, Colombia

T. M. Saita, P. L. Natti, E. R. Cirilo +4

This study presents numerical simulations of faecal coliforms dynamics in Luruaco lake, located in Atlántico Department, Colombia. The velocity field is obtained through a two-dime…

cs.MS2021★ 1 cited

Two-dimensional mesh generator in generalized coordinates implemented in Python

Gustavo Taiji Naozuka, Saulo Martiello Mastelini, Eliandro Rodrigues Cirilo +2

Through mathematical models, it is possible to turn a problem of the physical domain into the computational domain. In this context, the paper presents a two-dimensional mesh gener…

nlin.PS2021★ 1 cited

Soliton propagation in lossy optical fibers

Caroline DalľAgnol, Paulo Laerte Natti, Eliandro Rodrigues Cirilo +2

In this work, we study the propagation of solitons in lossy optical fibers. The main objective of this work is to study the loss of energy of the soliton wave during propagation an…

math.NA2019★ 1 cited

A numerical model based on the curvilinear coordinate system for the MAC method simplified

Eliandro Rodrigues Cirilo, Alessandra Negrini Dalla Barba, Neyva Maria Lopes Romeiro +1

In this paper we developed a numerical methodology to study some incompressible fluid flows without free surface, using the curvilinear coordinate system and whose edge geometry is…

q-bio.QM2018★ 3 cited

Numerical simulation of BOD5 dynamics in Igapó I lake, Londrina, Paraná, Brazil: Experimental measurement and mathematical modeling

Neyva Maria Lopes Romeiro, Fernanda Bezerra Mangili, Ricardo Nagamine Costanzi +2

The concentration of biochemical oxygen demand, BOD5, was studied in order to evaluate the water quality of the Igapó I Lake, in Londrina, Paraná State, Brazil. The simulation was…

q-bio.QM2017

Numerical Simulation of Fecal Coliform Dynamics in Luruaco Lake, Colombia

T. M. Saita, P. L. Natti, E. R. Cirilo +4

The Luruaco Lake located in the Department of Atlántico, Colombia, is damaged by the discharge of untreated sewage, bringing risks to the health of all who use its waters. The pres…

physics.optics2015★ 5 cited

Numerical stability of solitons waves through splices in optical fibers

Camila Fogaça de Oliveira, Paulo Laerte Natti, Eliandro Rodrigues Cirilo +2

The propagation of soliton waves is simulated through splices in optical fibers, in which fluctuations of dielectric parameters occur. The mathematical modeling of these local fluc…

physics.ao-ph2011★ 22 cited

Calibration of the Transport Parameters of a Local Problem of Water Quality in Igapó I Lake

Neyva M. L. Romeiro, Rigoberto G. S. Castro, Eliandro R. Cirilo +1

The calibration of a model refers to the process by which one can estimate some parameters by comparisons with observed data. Due to the dynamical nature of the environment, variat…

physics.ao-ph2010

Study of flow and dispersion of pollutants in the Igapó I Lake

Neyva Maria Lopes Romeiro, Eliandro Rodrigues Cirilo, Paulo Laerte Natti

This work proposes a mathematical model on the water quality for Igapó I Lake, located in Londrina, Paraná. A qualitative analysis on the pollution of the lake is carried out throu…

nlin.PS2010★ 1 cited

Solitons in Ideal Optical Fibers - A Numerical Development

Eliandro Rodrigues Cirilo, Paulo Laerte Natti, Neyva Maria Lopes Romeiro +2

This work developed a numerical procedure for a system of partial differential equations (PDEs) describing the propagation of solitons in ideal optical fibers. The validation of th…

physics.ao-ph2010★ 7 cited

A modeling of the carbon-nitrogen cycle transport at Igapó I Lake - Londrina, Paraná, Brazil

Suellen Ribeiro Pardo, Paulo Laerte Natti, Neyva Maria Lopes Romeiro +1

This work is a contribution to better understand the effect that domestic sewage discharges may cause in a water body, specifically Igapó I Lake, in Londrina, Paraná, Brazil. The s…