Reduced timestep of high resolution simulations from 50 to 40 fs because of...

Reduced timestep of high resolution simulations from 50 to 40 fs because of instability in some systems

mrdna/simulate.py

@@ -142,7 +142,7 @@ def multiresolution_simulation( model, output_name,
             run_step(num_steps=coarse_steps, simargs=simargs)
 
         """ Fine simulation """ 
-        simargs = dict(timestep=50e-6, output_period=fine_output_period, gpu=gpu)
+        simargs = dict(timestep=40e-6, output_period=fine_output_period, gpu=gpu)
         model.clear_beads()
         model.generate_bead_model( 1, 1, local_twist=True, escapable_twist=True )
         run_step(num_steps=fine_steps, simargs=simargs, do_coordinate_average=(fine_steps > 2*fine_output_period+1))