Introduced in 2003 by Farhat and Chandesris [1]. Augmented with a convergence accelerator later (missing reference) [2]. PITA is closely related to Parareal but uses a slightly different correction.

  1. C. Farhat and M. Chandesris, “Time-decomposed parallel time-integrators: theory and feasibility studies for fluid, structure, and fluid-structure applications,” International Journal for Numerical Methods in Engineering, vol. 58, no. 9, pp. 1397–1434, 2003, doi: 10.1002/nme.860. [Online]. Available at: http://dx.doi.org/10.1002/nme.860
  2. J. Cortial and C. Farhat, “A time-parallel implicit method for accelerating the solution of non-linear structural dynamics problems,” International Journal for Numerical Methods in Engineering, vol. 77, no. 4, pp. 451–470, 2009, doi: 10.1002/nme.2418. [Online]. Available at: http://dx.doi.org/10.1002/nme.2418