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  1. rmartin00

    Cash Flow Calculations in MS Project

    You can copy the info from the task usage page into Excel. Select "Cost" as one of the data options in the right side of task usage. Set your timescale as monthly. Hilight the top row (for cost)- this is a summation of all costs - and copy it to Excel.
  2. rmartin00

    Div.2 - Stress Intensity vs. Von Mises

    Just curious why Div. 2 is based on stress intensity (as opposed to Von Mises stress). I believe the max shear stress theory (basis for SI) is more conservative than the distortion energy theory (basis for VM). Is it just "history" that SI was chosen, or is there a technical reason. Thanks in...
  3. rmartin00

    Using Cosmos FEA (Shells) for ASME Section VIII Div 2 Pressure Vessel

    greauxpete, We do a lot of FEA design of pressure vessels using Cosmosworks (and Geostar), using both shell and solid element models. As TGS4 alludes to, there is a lot to learn on the subject, but here are a few pointers that we follow and may be helpful for you: 1. Meshing with solid...
  4. rmartin00

    vessel nozzle loading

    zjliang, I have to disagree with your opinion on treating the vessel as a support. I have designed large vessels with nozzles, say 18" diameter, with huge tablulated loads as Nozzletwister discusses, but with design pressures of 15 psig. What happens is that the shell and nozzle thicknesses...

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