y iteration when the minimizer is invoked)
when rRESPA is enabled, this is steps of outermost loop (longest timesteps)
forces are also dumped at the start and end of each run
when dumped during minimization, all dumps will have the same timestamp
  since the timestep does not change during minimization
any previous file is closed
new filename can exist, will be overwritten
value of 0 means never dump

Default = 0
</PRE>
<HR>
<H3>
<A NAME="_cch3_931276703">dump velocities </A></H3>
<UL>
    <LI>
    1st para