Retraction notice: Lagrange crisis and generalized variational principle for 3D unsteady flow

The publishers of International Journal of Numerical Methods for Heat and Fluid Flow wish to retract the article He, J.-H. (2020), “Lagrange crisis and generalized variational principle for 3D unsteady flow”, International Journal of Numerical Methods for Heat and Fluid Flow, Vol. 30 No. 3, pp. 1189–1196. https://doi.org/10.1108/HFF-07-2019-0577

An internal investigation into a series of submissions has uncovered evidence that the peer review process was compromised. As a result of these concerns, the findings of the article cannot be relied upon. This decision has been taken in accordance with Emerald’s publishing ethics and the COPE guidelines on retractions.

The author of this paper would like to note that they do not agree with the content of this notice.

The publishers of the journal sincerely apologize to the readers.

The retracted article is available at: https://doi.org/10.1108/HFF-07-2019-0577