Epsilon too small error

- March 30, 2019 at 9:04 am
  
  payalchauhan17
  Subscriber
  
  In my transient flow problem i have given time step size 1e-6. During initial stage of calculation i gave 4o iteration per time step and solution was converging.but after few time steps solution failed to converge even at 8o iteration per time step and error of epsilon too small appeared. My mesh skewness quality is o.7356. What should i do ?
- April 1, 2019 at 5:12 am
  
  Amine Ben Hadj Ali
  Ansys Employee
  
  What about the other quality metrics? Add more info. About models, BCs and screenshots of the grid.
- April 1, 2019 at 1:59 pm
  
  payalchauhan17
  Subscriber
  
  K-e realisable model, enhanced wall treatement, discrete phase model, air with pressure inlet condition and water with mas flow inlet inlet boundary condition. Average value of orthogonality is .96475, min value is .45917. Aspect ratio average value is 4.o559 and max value 2o.948.
- April 1, 2019 at 3:54 pm
  
  Amine Ben Hadj Ali
  Ansys Employee
  
  Which version? Does it happen if you switch off DPM?