The Ansys Innovation Space website recently experienced a database corruption issue. While service has been restored there appears to have been some data loss from November 13. We are still investigating and apologize for any issues our users may have as a result.

Ansys Learning Forum Forums Discuss Simulation LS Dyna LS Prepost to calculate J integral Reply To: LS Prepost to calculate J integral

Jim Day
Ansys Employee
You lost me. I don't believe there is a default system of units for J-integral.
The J-integral has units of energy per unit area, which simplifies to units of force/length. In other words, if your model is set up in units of N, m, s, Pa, the J-integral would have units of N/m.