<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1478283117878_14476">Hello Nek users, </div><div id="yui_3_16_0_ym19_1_1478283117878_14476"><br></div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr">Is there a way to save not only the current state (velocities and pressure fields) but also their time derivatives?</div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr">I am particular interested in this information for perturbations...</div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr">Thanks in Advance</div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr">Eduardo Martini</div><div id="yui_3_16_0_ym19_1_1478283117878_14476" dir="ltr">Phd Candidate, ITA, Brazil<br></div></div></body></html>