<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><DIV>Hi people,</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>There is a way easy to set up a circular obstacle in a cartesian box, in Flash2.5?</DIV><DIV><BR class="khtml-block-placeholder"></DIV>I need to have a rigid sphere in the center of a cartesian box, that does not evolve with the passage of time. This is, that the density and the temperature are constant in all the simulation. While this happens, the center of the box must be a gravitational source (ptmass) and the flow outside the rigid sphere, must evolve normally.</SPAN></FONT><DIV><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">This is possible??? I think that is needed to edit, in some place, the routines Hydro.F90 and </SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">hydro_sweep.F90, but I do not know exactly where is this edited.</SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">Thanks a lot...</SPAN></FONT></DIV></BODY></HTML>