<div dir="ltr">Hi nek,<div><br></div><div>Can anyone explain how 

<span style="color:rgb(231,76,60);font-family:Consolas,"Andale Mono WT","Andale Mono","Lucida Console","Lucida Sans Typewriter","DejaVu Sans Mono","Bitstream Vera Sans Mono","Liberation Mono","Nimbus Mono L",Monaco,"Courier New",Courier,monospace;font-size:10.8px;white-space:nowrap;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">volvm1</span> (

<span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:14.4px;white-space:nowrap;background-color:rgb(243,246,246);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">total volume for velocity mesh) calculates? Can it be used for different geometries?</span></div><div><span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:14.4px;white-space:nowrap;background-color:rgb(243,246,246);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:14.4px;white-space:nowrap;background-color:rgb(243,246,246);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Regards,</span></div><div><span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:14.4px;white-space:nowrap;background-color:rgb(243,246,246);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:14.4px;white-space:nowrap;background-color:rgb(243,246,246);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Jian</span></div></div>