I've reduced my thermal stress analysis problem to the most basic scenario and the results are not reasonable.
I've taken a 1" x 1" x 1" cube of 1020 steel and applied 83 degrees f to all sides, put an immovable restraint on one of the verticies.
The results give me 1,700 psi of stress. There's really no appricable heat. Just 83 degress. How can it figure on this much stress?
My real world problem of a class 300 flange at 750 degress f., and one side restrained, give me material failure results. About 200,000 psi of thermal stress.
Is Cosmosworks reliable for thermal stress, or is there something basic I'm missing?
Pat