<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Julia,</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I believe the easiest thing to do is to set maximum simulation time to 5s; when it finishes, change your boundary conditions in flash.par file, and restart from the last check point file.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Hope it helps!</div><div id="AppleMailSignature"><br><span style="background-color: rgba(255, 255, 255, 0);">Best wishes,<br class="">—<br class="">Suoqing JI<br class="">Ph.D Candidate<br class="">Department of Physics<br class="">University of California, Santa Barbara<br class=""><a href="http://physics.ucsb.edu/~suoqing" class="">http://physics.ucsb.edu/~suoqing</a></span></div><div><br>On Nov 20, 2017, 1:46 PM, Julia Grott <<a href="mailto:julia.grotova@gmail.com">julia.grotova@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="auto">Hello everybody,</div><div dir="auto">I'm a starting flash user, and I wonder if I can make boundary conditions that will change with time.</div><div dir="auto">To be more precise I'm trying to model a jet ( an outflow of matter) which will turn on and off at certain moments of time. (Something like: if t< 5 sec, then turn on jet, else turn off. )</div><div dir="auto">How can I do something like a timer? </div><div dir="auto">Maybe I don't need to vary boundary conditions, but just to add proper conditions in the Simulation_initBlock, which can be turned off after certain time. </div><div dir="auto"><br></div><div dir="auto">I will be happy to hear any ideas,</div><div dir="auto">Thanks in advance!</div><div dir="auto"><br></div><div dir="auto">Julia </div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div>
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