Thanks for the reply TGS4.
I am also checking the displacement as well. Please refer to the attached figure.
The component is 45 deg branch connection. Within plot, nodal displacements at the crotch section along the circumferential direction is plotted. Plot shows no significant progression...
Dear All,
When performing a elastic-plastic ratcheting assessment in accordance with the Div2 Part5, I am checking the maximum plastic strain magnitude at each pressure cycle on integration point to check that if plastic strain progress.
The question is that the software is providing seven...
Hello,
Not sure if this helps but,
Even though a Procedure Qualification is not necessary per UW-28(c)(2), a WPS and subsequent WPQ's are mandatory in accordance with UW-29(b). As a matter of fact, the Welding Operators have to re-qualify at the beginning of each shift and certified records...
I design a Div.1 combination unit column with two independent pressure chambers in which intermediate ellipsoidal subjected to the upper chamber design internal pressure at concave side and bottom chamber design internal pressure plus FV pressure at upper chamber. With these design pressures at...
Hi Sachin,
I can confirm with reference to the code as below.
If bending is classified as primary stress,
The stress limit,PL+PB<=SPL, is demonstrated for each load case protection against plastic collapse. [per para 5.2.2.2 Step 5] This check should be done for all required or relevant load...
Thank you for your answer Morcuse. API 578 FFS investigates and provide guidance for detailed creep analysis, and creep life analysis and creep-fatigue interaction.
However,still Table 1A allowables are obtained considering creep failure at creep temperature range and refers certain creep life...
TGS4 hi,i want to ask something related to local failure criteria.
I understand that Von mises theory measures the shape distortion and does not limit the sum of principal stresses, a hydrostatic stress state does not produce shape distortion and von mises stress regardless of how high the...
Hi Sachin Poudel,
It seems like your elements are 3D solid continuum elements. Then the calculated Von Mises stresses are PL+Pb+Q+F. Firstly, you should properly select stress classification lines (that is where judgement comes into play, code have some guidance in Annex 5A and WRC429 may help)...
I cannot verify NozzlePRO calculated SPL & SPS stress limits at the creep temperature ranges.
At the creep temperature ranges [where value of S is governed by time-dependent properties], NozzlePRO takes yield strength into account for the calculation of SPL and SPS stress limits.
However...
