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Hi All,


10  0.1266E-05  0.1266E-06 SPRIN     590305   0.0%  0.4177E-01  0.2840E+09  0.3311E-03   6.050      0.2584E-03

WARNING MINIMUM TIME STEP  -0.4725E+18 IN INTERFACE        784 (DTMIN=  0.0000E+00)



Is the time step goes in negative.!!!



I haven't specified any values for dtmin in my type7 interface (id .784).

But I am getting this warning at the start of my engine.


Any Hint PLs.




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Hi Subhu,

This seems to be bit strange!!!.

For an interface, the time step is calculated from the stiffness and thickness of master and slave components. I doubt with the material parameters, especially check the unit consistency followed for the material parameters.

If everything seems fine, then please share your model file in the secure dropbox link.

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