FE stress analysis in VIII-2 Part 5
FE stress analysis in VIII-2 Part 5
(OP)
Hi everybody
I'm to perform stress analysis by FE of some details of a pressure vessel in VIII div. 2 in this way:
1. Thermal analysis -> temp map.
2. Mech analysis for primary stress: temp map from step 1 + mech loads giving primary stress (engineer judgment...). To not introduce thermal stress THE THERMAL EXPANSION COEFF ARE TO BE SET EQUAL TO 0.
3. Mech analysis for secondary stress: temp map from step 1 + mech loads giving secondary stresses. THERMAL EXP COEFF. SET TO ACTUAL VALUES.
I'd use these procedure for both linear analysis (steps 1 and 2) and non-linear analysis (steps 1 to 3).
Please let me know if I'm right
Thanks
I'm to perform stress analysis by FE of some details of a pressure vessel in VIII div. 2 in this way:
1. Thermal analysis -> temp map.
2. Mech analysis for primary stress: temp map from step 1 + mech loads giving primary stress (engineer judgment...). To not introduce thermal stress THE THERMAL EXPANSION COEFF ARE TO BE SET EQUAL TO 0.
3. Mech analysis for secondary stress: temp map from step 1 + mech loads giving secondary stresses. THERMAL EXP COEFF. SET TO ACTUAL VALUES.
I'd use these procedure for both linear analysis (steps 1 and 2) and non-linear analysis (steps 1 to 3).
Please let me know if I'm right
Thanks





RE: FE stress analysis in VIII-2 Part 5
jt
RE: FE stress analysis in VIII-2 Part 5
You'y right... I've been confused by the limits of the stresses...
But, despite that, my concern was about the way I split the calculation in steps 1 to 3.
Thanks again
RE: FE stress analysis in VIII-2 Part 5
RE: FE stress analysis in VIII-2 Part 5