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Ansys Learning Forum Forums Discuss Simulation Fluids Negative cell volume detected/floating point exception in water entry simulation Reply To: Negative cell volume detected/floating point exception in water entry simulation

Simon
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Adaptive time was used, and the time step was set between 1E-8 and 1E-12 with the initial time step of 1E-10. The sphere and overset mesh have an initial -Y velocity of 2 m/s though, set by 6DOF.