<div dir="ltr">Hi Paul,<div><br></div><div>Thanks for your reply regarding on the questions of  ''Further to the issue of ffx, ffy and ffz''. May I ask you if I keep p54=-3, p55=1, will the fluid be changed if 

<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">ffx not eqauls to 0 (supposed x is streamwise direction) 

<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">in the same time?</span></span> </div><div><br></div><div>And dear Philipp,</div><div><br></div><div>May I know what you ususally set for the pipe flow if p54 and p55 are not used, fixing flow rate or fixing pressure gradient? and how you do you set if the flow considering the interaction between fluid and particles for the two-phase flow?</div><div><br></div><div>Kind regards,</div><div><br></div><div>Zhai</div></div>