Hi,
I'm working on strength design of PPH piping and its supports using Ansys. The piping systems is required to be design for elevated temperature say 65°C. I'm considering the creep stress and strain at specified temperature for strength values as recommended by standards. But one of the party asked us to include thermal stresses in design analysis using thermal coefficient of expansion as well which is resulting in significant deformation even before loading. I'm confused on validity of consideration? Is it correct? Or should I only consider the creep stress at specified temperature? Can someone provide some supporting argument or reference ?
Thanks in advance.
I'm working on strength design of PPH piping and its supports using Ansys. The piping systems is required to be design for elevated temperature say 65°C. I'm considering the creep stress and strain at specified temperature for strength values as recommended by standards. But one of the party asked us to include thermal stresses in design analysis using thermal coefficient of expansion as well which is resulting in significant deformation even before loading. I'm confused on validity of consideration? Is it correct? Or should I only consider the creep stress at specified temperature? Can someone provide some supporting argument or reference ?
Thanks in advance.