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Hello, I have a problem with decreasing negative energy error. I read the reason for this could be energy dissipation and the total error should not exceed 5-10% for a good model. But in my case it reaches about -80 till -90% which indicates a wrong setup. The model setup contains two steel rods with an elastomer buffer in between. I checked if the reason could be the material definition of the elastomer, therefore I assigned material parameters for steel to the buffer but the error is still decreasing like before. Additionally I unchecked the status of ENG_DAMP card to see if that's causing the error but it changed nothing either. I don't know what else to check, so I'd be very grateful if you have a look at my model. Test_A_0000.out Test_A_0000.rad Test_A_0001.out