Hi Good evening to all,

                                       As i have attended an interview, they asked some questions in which am unable to answer them, the questions are: 1) why contact analysis is non linear?

                             2)Whether all contact analysis are non-linear?

                             3) How many types of contacts are there in Abaqus?

                             4) what is the use of strain energy in analysis?

If any one knows answers to above questions please share your valuable information....and if any one have further interview questions please share with us....Thanking u all in advance......