psantunes
Materials
- Feb 18, 2004
- 15
Hi!
I'm trying to simulate a model of a gasket(hyperelastic) and the aluminium (elastic) cover. The model have 4 bolt loads and 12 contact pairs. I,m running this problem with abaqus standard procedure.
I have no problem in estabilishing contact with all the parts, but in a step that increases the temperature of the part i have some problems of sticking slave nodes that causes non-convergence. I,m using the augmented lagragian contact method for the contact pressure-overclosure and the penalty method for the frictional (transversal) behaviour. I do not impose any frictional shear stress limit add i use the default elastic slipping (0.005). I know that greater values of elastic slip tolerance can improve the convergence of the contact algrithm.
Do you think this procedure is the only way to improve my model?
Thanks
I'm trying to simulate a model of a gasket(hyperelastic) and the aluminium (elastic) cover. The model have 4 bolt loads and 12 contact pairs. I,m running this problem with abaqus standard procedure.
I have no problem in estabilishing contact with all the parts, but in a step that increases the temperature of the part i have some problems of sticking slave nodes that causes non-convergence. I,m using the augmented lagragian contact method for the contact pressure-overclosure and the penalty method for the frictional (transversal) behaviour. I do not impose any frictional shear stress limit add i use the default elastic slipping (0.005). I know that greater values of elastic slip tolerance can improve the convergence of the contact algrithm.
Do you think this procedure is the only way to improve my model?
Thanks