Fluctuating Immersed Boundary Method by Steven Delong, Florencio Balboa and Aleksandar Donev (donev@courant.nyu.edu) Courant Institute of Mathematical Sciences
The IBBrownianBlobHierarchyIntegrator simulates Brownian Dynamics using the IBAMR library (https://github.com/IBAMR) and the temporal integrators from the paper (see doc/OverdampedIB.pdf):
"Brownian Dynamics without Green's Functions" S. Delong, F. Balboa Usabiaga, R. Delgado-Buscalioni, B. E. Griffith and A. Donev J. Chem. Phys., 140, 134110, 2014. http://arxiv.org/abs/1401.4198
After compilation, (make main2d, make main3d as appropriate), one runs the code with ./main3d <input_file>. Example input files are included in subfolders.