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I see from Case 2695, this it is just for "part 4 div 2" and apply for the RULES application in that division, nothing from the design by stress analysis approach "part 5 in div 2". therefore from U-2(g) you just need to satisfy the inspector that the design is properly done. but still I cannot...

Thanks.

Is there any "statement" in ASME VIII div 1, that link div 1 with div 2?. Take as example a casting Y type strainer design by "DIV 1 - concepts" (even knowing that such component is not cover by div1"), is there any "alternative design route" in asme div 1 that link with div 2 (therefore I will...

Prex: The term: “gradient through plate thickness” mean bending across the thickness?... So for a thick wall vessel (Rm/t = 1.34) the bending stress across the wall away from discontinuities (so we are in the shell), the bending due to internal pressure only is classified as secondary stress Q...

A got a thick “Tee” component under internal pressure only, I would like to know how to classify the stress in a section where no influence of the of the gross geometrical discontinuity (the junction bend of the tee) is affecting the stress at the point where I am evaluating the stress...

I would like to know how peaktop makes his calculations to get the values of the table.. peaktop please if you can send one of yours calcualtion I will check it, I am wondering how he or she do his cals. Thanks.

just to make it clear ( I did a copy paste from world): so it did not take the exponent in the equations: Tau = (2.4 - lbar)^phi .... eq 1 phi= 0.25 + (0.535 (lbar)^8)/(0.05+(lbar)^7) .... eq 2 solving for l/dh = 1 so lbar = 1: phi= 0.25 + (0.535 (lbar)^8/(0.05+(lbar)^7)=...

Here a copy of Diagram 8-3 from Ildechik 3th edition. What is right: the table or the ecuation?. The equation for tau does not works if you check with the table given. As example let take l/dh = 1 so lbar = 1 Table stand: tau = 0.24 From equation Tau = (2.4 - lbar) phi Where phi= 0.25 +...

Thanks. I knew already about this page, The best for elastomeres and plastic like materials if you want to perform FEA. I just would like is to increase my data base in elastomers. For those how has data and want to calculate the constants for different models: http://www.hyperfit.wz.cz/

blckwtr Did you finf by the end any test data with rubber?. if is so, could you be able to share this data with me?., please let me know.

Mark. Have a look at the theread thread828-184976 plastic analysis.

Well, If your pressure load produce a deflection less than half of the thickness, a lineal assumption is Ok. and as mark said:"My panel will be all the time in the elastic region", so a lineal analysis will be valid. if you got the option of large deformation in your software, will be usseful...

Hello every body. I believe this is a typical FEA study case, and the interpretation of boundary conditions are critical even if it seen to be a simple problem. I agree with gwolf2, you can find some information about strength calculation for perforated sheet metal on...

brep @ you are right, it was my written mistake. cheers.

well, in wildfire 4 I know that support for hyper-elastic models (ruber, plastic materials) were ADDED, so you can perform lineal analysis with large elastic deformation on ruber materials. Know, from John Buchowski (Director Simulation Products PTC Product Management) I got the answer: "I...

Basiclly. Div 1 is a "concervative way to design" a pressure vessel based by rule (following equations). Div 2, is a alternative way to design a pressure vessel, in a more "Economical" point of view; regarding with the requeried material thickness: you will get less material thickness, but the...

Does any body know when PTC will add non lineal material analysis into mechanical?. any comment about it?. Thanks.

I will say the best are CFDedign, have a look on: www.cfdesign.com or you can contact optima-design in UK (www.optima-design.co.uk)..David Ried..is the one. napoleon. regards.

all the manual and user guide is on here: http://simba.ara.bme.hu/~cfd/fluent6.1doc/help/. (if ir doesn't works...go to yahoo.com and put: "fluent 6.1 user guide" and go to the http with .hu and here you will find it. regards.

Remember that a state of stress is a complex organization of normal and shears stress matrix, so talking about principal or von misses stress is a way to see a specifically a state of stress, I mean: Von Misses is a combination of principal and shear stress view as a scalar (magnitude) perhaps...