3 papers
physics.flu-dyn2019
Near wall patch representation of wall bounded turbulence
Sean P. Carney, Björn Engquist, Robert D. Moser
Recent experimental and computational studies indicate that near wall turbulent flows can be characterized by universal small scale autonomous dynamics that are modulated by large…
math.NA2019
Multiscale Modeling, Homogenization and Nonlocal Effects: Mathematical and Computational Issues
Qiang Du, Bjorn Engquist, Xiaochuan Tian
In this work, we review the connection between the subjects of homogenization and nonlocal modeling and discuss the relevant computational issues. By further exploring this connect…
math.NA2019
Fast algorithm for computing nonlocal operators with finite interaction distance
Xiaochuan Tian, Bjorn Engquist
Developments of nonlocal operators for modeling processes that traditionally have been described by local differential operators have been increasingly active during the last few y…