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    <title>topic Re: Bifröst viscosity above 2 makes sim unstable in Maya Dynamics Forum</title>
    <link>https://forums.autodesk.com/t5/maya-dynamics-forum/bifrost-viscosity-above-2-makes-sim-unstable/m-p/5695340#M7479</link>
    <description>&lt;P&gt;so in this case you could probably adjust gravity to work to your advantage. While using default world scale of cm's.&lt;/P&gt;
&lt;P&gt;Try setting the gravity to 2.45&amp;nbsp;&lt;SPAN style="line-height: 15px;"&gt;(1/4th of default gravity) &lt;STRONG&gt;this will slow emission down&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="line-height: 15px;"&gt;Keep the MVS to a less refined value (more refined = more breakup and detail/resolution. Honey tends to remain clumped together, so you want a higher/less refined value. I tested wit the default MVS of .5 &lt;STRONG&gt;this will keep it "clumpy"&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="line-height: 15px;"&gt;Set the droplet threshold to .25 and keep the mergeback depth to 2 &lt;STRONG&gt;keep it low to prevent it from creating droplets&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;uncheck the vorticity enable switch &lt;STRONG&gt;you dont want vorticity (churning or Eddying) at all&lt;/STRONG&gt;&lt;/P&gt;
&lt;P&gt;set surface tension to .75 &lt;STRONG&gt;help a bit with a fake viscosity&lt;/STRONG&gt;&lt;/P&gt;
&lt;P&gt;and&amp;nbsp;&lt;SPAN style="line-height: 15px;"&gt;increase the viscosity scale to 1 &lt;STRONG&gt;provides some viscosity emulation, works better for things like motor oil.&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;on the emitting objects shape node, in the bifrost section set the:&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;keyframe Continuous Emission from on to off (use stepped interpolation. Easiest to do in the channelbox) on the keyframes you want the emission to stop.&lt;/P&gt;
&lt;P&gt;set the expansion rate to -.5 &lt;STRONG&gt;this will narrow it a bit as it flows out from emission&lt;/STRONG&gt;&lt;/P&gt;
&lt;P&gt;and the&amp;nbsp;&lt;SPAN style="line-height: 15px;"&gt;Stickiness Strength to 1 leaving the badwidth to 0&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="line-height: 15px;"&gt;then turn on meshing and alembic cache out your results.&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="line-height: 15px;"&gt;leave collider at solid rather than shell.&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="line-height: 15px;"&gt;see if that gives you better results.&lt;/SPAN&gt;&lt;/P&gt;</description>
    <pubDate>Fri, 26 Jun 2015 16:45:01 GMT</pubDate>
    <dc:creator>syracoj</dc:creator>
    <dc:date>2015-06-26T16:45:01Z</dc:date>
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