Continuous data assimilation of large eddy simulation by lattice Boltzmann method and local ensemble transform Kalman filter (LBM-LETKF)

Y Hasegawa, N Onodera, Y Asahi, T Ina… - Fluid Dynamics …, 2023 - iopscience.iop.org
We investigate the applicability of the data assimilation (DA) to large eddy simulations based
on the lattice Boltzmann method (LBM). We carry out the observing system simulation …

GPU-enabled ensemble data assimilation for mesh-refined lattice Boltzmann method

Y Hasegawa, Y Idomura… - EPJ Web of Conferences, 2024 - epj-conferences.org
We implemented the ensemble data assimilation (DA) method, the local ensemble transform
Kalman filter (LETKF), into the mesh-refined lattice Boltzmann method (LBM) for turbulent …