Good mounring, i have a question, i want to investigate the initiation and the ptopagation of cracks near a welding, or within the diffrent zones near it, my question is:
1. Is it permisseble to use the cohesive models to study this kind of fracture problems
2. If the answer is yes, what are the parameters and the measures to take in order to well use them.
2. Is there any previous studies in this field, and can you cite some articles.
Thanks very much.