52 citations · 228 across the 11 of their papers we have counts for
11 papers
An efficient two-dimensional heat transfer model for building envelopes
Julien Berger, Suelen Gasparin, Walter Mazuroski +1
A two-dimensional model is proposed for energy efficiency assessment through the simulation of heat transfer in building envelopes, considering the influence of the surrounding env…
On the comparison of three numerical methods applied to building simulation: finite-differences, RC circuit approximation and a spectral method
Julien Berger, Suelen Gasparin, Denys Dutykh +1
Predictions of physical phenomena in buildings are carried out by using physical models formulated as a mathematical problem and solved by means of numerical methods, aiming at eva…
An innovative method to determine optimum insulation thickness based on non-uniform adaptive moving grid
Suelen Gasparin, Julien Berger, Denys Dutykh +1
It is well known that thermal insulation is a leading strategy for reducing energy consumption associated to heating or cooling processes in buildings. Nevertheless, building insul…
A spectral method for solving heat and moisture transfer through consolidated porous media
Suelen Gasparin, Denys Dutykh, Nathan Mendes
This work presents an efficient numerical method based on spectral expansions for simulation of heat and moisture diffusive transfers through multilayered porous materials. Traditi…
An adaptive simulation of nonlinear heat and moisture transfer as a boundary value problem
Suelen Gasparin, Julien Berger, Denys Dutykh +1
This work presents an alternative view on the numerical simulation of diffusion processes applied to the heat and moisture transfer through porous building materials. Traditionally…
On the solution of coupled heat and moisture transport in porous material
Julien Berger, Suelen Gasparin, Denys Dutykh +1
Comparisons of experimental observation of heat and moisture transfer through porous building materials with numerical results have been presented in numerous studies reported in l…
Advanced reduced-order models for moisture diffusion in porous media
Suelen Gasparin, Julien Berger, Denys Dutykh +1
It is of great concern to produce numerically efficient methods for moisture diffusion through porous media, capable of accurately calculate moisture distribution with a reduced co…
Solving nonlinear diffusive problems in buildings by means of a Spectral Reduced-Order Model
Suelen Gasparin, Julien Berger, Denys Dutykh +1
This paper proposes the use of a Spectral method to simulate diffusive moisture transfer through porous materials as a Reduced-Order Model (ROM). The Spectral approach is an a prio…
An improved explicit scheme for whole-building hygrothermal simulation
Suelen Gasparin, Julien Berger, Denys Dutykh +1
Implicit schemes require important sub-iterations when dealing with highly nonlinear problems such as the combined heat and moisture transfer through porous building elements. The…
Stable explicit schemes for simulation of nonlinear moisture transfer in porous materials
Suelen Gasparin, Julien Berger, Denys Dutykh +1
Implicit schemes have been extensively used in building physics to compute the solution of moisture diffusion problems in porous materials for improving stability conditions. Never…
Accurate numerical simulation of moisture front in porous material
Julien Berger, Suelen Gasparin, Denys Dutykh +1
When comparing measurements to numerical simulations of moisture transfer through porous materials a rush of the experimental moisture front is commonly observed in several works s…