<div dir="ltr">Good morning Paul,<div><br></div><div>What I am doing is the single-phase pipe flow currently. I've done a correct one by keeping the flowrate in z direction. But what I am trying to do is setting one simulation by fixing ffz rather than flow rate. </div><div><br></div><div>Can you please have look at my rea file and usr file? I don't know how to do actually. </div><div><br></div><div>Kind regar​​ds,</div><div><br></div><div>Jian </div><div>​<br><div class="gmail_chip gmail_drive_chip" style="width:396px;height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px solid #ddd;line-height:1"><a href="https://drive.google.com/file/d/1gTyfDy65Xhc9FA3L-ii29T-Sx8FLP35K/view?usp=drive_web" target="_blank" style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px 0px;border:none;width:100%"><img style="vertical-align: bottom; border: none;" src="https://drive-thirdparty.googleusercontent.com/16/type/application/octet-stream"> <span dir="ltr" style="color:#15c;text-decoration:none;vertical-align:bottom">pipe.rea</span></a></div>​​<br><div class="gmail_chip gmail_drive_chip" style="width:396px;height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px solid #ddd;line-height:1"><a href="https://drive.google.com/file/d/15nQS5y5u-qzgdwhUfB5Iodi2iks05PRJ/view?usp=drive_web" target="_blank" style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px 0px;border:none;width:100%"><img style="vertical-align: bottom; border: none;" src="https://drive-thirdparty.googleusercontent.com/16/type/application/octet-stream"> <span dir="ltr" style="color:#15c;text-decoration:none;vertical-align:bottom">pipe.usr</span></a></div>​<br></div></div>