Dear All,

Recently, I am doing some analysis on the reinforced concrete beam by using ABAQUS CDP in ABAQUS Explicit. It seems that in some of the cases the strain energy will decrease and become negative, but when I redo the simulation in ABAQUS Standard, this problem did not occur. Could you please give me some suggestions on this issue (why the strain energy sometime will be negative in Explicit)?

Regards,

Delon

Abaqus ​​​​​​​Abaqus Explicit ​​​​​​​