"having validated" is correct and usable in written English.
You can use it when referring to something that has been confirmed, verified, or authorized as valid. For example: "The report was accepted after having validated the data."
Having validated the model, the implications for designing and optimizing a fuel-reactor were as follows.
The moon will go down, the sun will rise, and this gelid atmosphere will slide away, having validated the seriousness of winter once again.
Their additional implementation is foreseen to strongly reduce the risk of having validated a bioanalytical method unfit for its purpose.
For the Kremlin, Russian-American military collaboration in Syria could be presented as having validated its decision to intervene militarily in the conflict and, more generally, its aspirations to expand Russian influence in the Middle East.
As fundamental knowledge accumulates across all of these areas, virtual approaches will, in turn, eventually become firmly anchored to experimental and theoretical databases having validated clinical predictability.
After having validated the FJS-12 in French, a similar PRO was observed in unicompartmental and postero-stabilized total knee arthroplasty.
Having validated their 99-victory season by mugging the Yankees in a stunning four-game division series, the Angels are closer to the World Series than they have been since Donnie Moore had two outs and two strikes on Dave Henderson in the ninth inning of Game 5 of the 1986 American League Championship Series.
Having validated the FE models against the experimental results, a design method was proposed on the basis of parametric studies to predict both the residual load-bearing capacity and initial axial stiffness of welded hollow spherical joints after fire exposure.
Having validated the model of knowledge using a realistic vehicle simulator, the observer is tested under the same conditions and shows good performances for the vehicle state, tire forces and the unknown torques reconstruction.
Having validated the theory by comparisons with experiment, we then calculate systematically the characteristics of a range of flames: those adjacent to walls and stagnation planes and those which are freestanding.
Having validated the model, the improved light-off performance is investigated, and attributed primarily to exhaust gas stoichiometry and secondarily to the heat released in the catalyst by the oxidation reactions (self-acceleration).
