Strain energy total by group

I am not a Patran expert so i apologize if this is very simple...

I would like to get a list of percentages of strain energy by group per mode in a modal analysis.

I can see that you can plot it or list all elements, but i would like a sum over a predeinfed group. This is possible in FEMAP and available by scripting in Ansys.

Thank you!

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0 Sanjay Patel over 5 years ago

Hi Steve,

Sorry, I am not aware of anyway to do this as a standard feature in patran. It likely can also be accomplished by scripting in PATRAN. Alternatively, one can define a set of elements to output ESE .

                      E L E M E N T  S T R A I N  E N E R G I E S

        ELEMENT-TYPE = TETRA        * TOTAL ENERGY OF ALL ELEMENTS IN PROBLEM   =  4.763166E-05

        SUBCASE        1      * TOTAL ENERGY OF ALL ELEMENTS IN SET   10 =  1.379738E-08

0

                  ELEMENT-ID     STRAIN-ENERGY      PERCENT OF TOTAL  STRAIN-ENERGY-DENSITY

                      10     4.100639E-09         0.0086       1.838378E-01

                      11     1.242767E-09         0.0026       1.164910E-01

                      12     5.567743E-10         0.0012       3.490664E-02

                      13     7.667560E-10         0.0016       4.260062E-02

                      14     7.012616E-09         0.0147       5.255580E-01

            TYPE = TETRA  SUBTOTAL    1.379738E-08         0.0290
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0 Sanjay Patel over 5 years ago

Hi Steve,

Sorry, I am not aware of anyway to do this as a standard feature in patran. It likely can also be accomplished by scripting in PATRAN. Alternatively, one can define a set of elements to output ESE .

                      E L E M E N T  S T R A I N  E N E R G I E S

        ELEMENT-TYPE = TETRA        * TOTAL ENERGY OF ALL ELEMENTS IN PROBLEM   =  4.763166E-05

        SUBCASE        1      * TOTAL ENERGY OF ALL ELEMENTS IN SET   10 =  1.379738E-08

0

                  ELEMENT-ID     STRAIN-ENERGY      PERCENT OF TOTAL  STRAIN-ENERGY-DENSITY

                      10     4.100639E-09         0.0086       1.838378E-01

                      11     1.242767E-09         0.0026       1.164910E-01

                      12     5.567743E-10         0.0012       3.490664E-02

                      13     7.667560E-10         0.0016       4.260062E-02

                      14     7.012616E-09         0.0147       5.255580E-01

            TYPE = TETRA  SUBTOTAL    1.379738E-08         0.0290
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