Re: [MW:27199] stress by analysis

Dear Ramin.

yes you are right .Von Mises or Tresca is used in DIV I,II. but it just limited to primary stress(general membrane stress) not combination with other categories of stress.

Regards.

On Sunday, December 17, 2017 at 1:41:42 PM UTC+3:30, Ramin Kondori wrote:

Most of these are based on calculating Maximum Distortion Energy. Von Mises is a normal (and simplistic) approach to specify such criteria. 

Ramin  Kondori

Sr. QA/QC & Welding Engineer

-----------------------------------------------------------

PG-Dip. in Welding Engineering (IWE  AT  0070)

BSc. in Civil Engineering (IUT)

BGAS Painting Inspector

ASNT Level I&II

                        

On Sun, Dec 17, 2017 at 9:39 AM, Ali Asghari <asghar...@gmail.com> wrote:

Dear All.

Does any body know or introduce some references about reason& philosophy of  stress limits for combination of all categories of strees?for example 3S for combination of primary and secondary stresses.(especially in ASME VIII DIV II)

Regards.

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