Stay with Static Structural until convergence problems cannot be overcome. Right now change material model to hyperelastic. There are some posts here to research which hyperelastic model to use as there is a long list to choose from.
Here is a post with some "tricks" to help elements support the large strains that will be developed in this model.
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New Post - Reply To: Tubing being compressed, hitting a “ceiling” or wall and squeezing past fixed support