Hello everyone in my model, in Abaqus implicit when i use normal behavior and tangential behavior contact between two surfaces it appears " the strain increment has exceeded fifty times the strain to cause first yield at 21 points" but if i use a tie coupling between them it works well.

How can i use the normal and tangential behavior between these surfaces so that it could work well instead of using the tie coupling?

i have attached the model here in png file.

En francais :

si j'utilise le type de contact Normal behavior + tangential behavior entre les deux surfaces ( voir modèle ) il apparait ce message d'erreur "the strain increment has exceeded fifty times the strain to cause first yield at 21 points" Par contre si j'utilise le coupling du type tie ça marche nickel

comment pourrais je utiliser le normal behavior+tangential behavior entre les deux surfaces pour que ça marche au lieu d'utiliser le coupling contact tie ?

ci joint le modèle en photo

Merci

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