<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hello FLASH USERS !<div class=""><br class=""></div><div class="">When I add Biermann Battery module to my simulation like this, after running many steps, I will get an error message “[Hydro]: Computed dt is not positive! Aborting!” I think it is related to documents “Hydro_computeDt.F90” and “hy_uhd_dataReconstOneStep.F90”, but I don’t know how to fix it. So any advice? </div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">J.Z. Wang</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="3F603815-7B71-4F0D-AD34-30F61180BD60" width="197" height="134" src="cid:F89B3A8B-F2FF-433F-9257-4E4A2E4AA17F" class=""></div><div class=""><br class=""></div><div class=""><font color="#ff1f00" class="">[ERRORS]:</font></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="5E477049-BDDE-4A7D-9E9D-153947AC670F" width="485" height="309" src="cid:DC9A39DF-2D4A-4631-B3B2-5298234BC34F" class=""></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="56E7236D-F08D-4C8A-88FD-068FDB0A4EE2" width="487" height="258" src="cid:AF012FFF-6FF9-4573-BB16-DA7573F20351" class=""><br class="">
<br class=""><div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div style="caret-color: rgb(255, 255, 255);" class=""><br class="Apple-interchange-newline">————————————————————<br class=""><br class="">Jianzhao Wang<br class=""><br class="">Department of Astronomy, Beijing Normal University<br class="">No.19, Xinjiekouwai Street, Haidian District, Beijing, 100875<br class=""><br class="">Tel: +86 13141149966<br class=""><a href="mailto:astrowjz@mail.bnu.edu.cn" class="">Email:astrowjz@mail.bnu.edu.cn</a><br class=""> astrowjz@163.com<br class=""></div><br class=""></div><br class="Apple-interchange-newline">
</div>
<br class=""></div></body></html>