# Sai Vignesh

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1. ## RB2 vs RB3

Hi Joel RBE 2 has infinite stiffness which holds component 2 components tightly Whereas RBE3 doesnt add any stifness used for load and mass transfer. Also rbe 2 can also used for load and mass transfer but rbe2 has stiffnesss component to it

Hi Thanks for your reply I see the formulas are different refer below I want to know for same load given as RLOAD1 AND RLOAD2 cards how will it affect the output Kindly provide me with an example analysis using RLOAD1 & RLOAD2 Refer formulas below Thanks in advance Regards Sai Vignesh V

Hi Kindly help me in understanding the difference between RLOAD1 and RLOAD2? I have seen the mathematical formula differs between both My question is when to use RLOAD1 and when to use RLOAD2? How it will make a difference in the analysis? Also kindly share an example by using RLOAD 1 AND RLOAD2 Thanks in advance
4. ## TPA Analysis

How about post processing steps do you have documentation what will be output and how to process for the same example Thanks for your help in advance
5. ## TPA Analysis

Thanks for the material Regards Sai Vignesh V
6. ## TPA Analysis

Hi I am trying to learn TPA analysis in NVH Kindly someone help with reference deck and document about background process and post processing Thanks in advance Regards Sai Vignesh
7. ## Modal effective mass

I have tried and its not same It would be clear if we could have chat or call to explain clearly what is my issue Let me know
8. ## Modal effective mass

Also let me know if i could contact you through phone I want to sort this out sooner
9. ## Modal effective mass

Hi I checked your model there is no stiffness assigned for CELAS2 and you have created PELAS1 AND THE ELEMENTS HAVE NOT BEEN ASSIGNED STIFNNESS? I have attached my model run the same and let me know what mistake has been made EIGEN2.fem
10. ## Modal effective mass

have a look at this my total mass is 4kg in translation i get my total mass but in rotation i get 250 kg Kindly clarify whats wrong EIGEN2.out
11. ## Modal effective mass

have a look at my model setup and let me know why rotational mass comes wrong
12. ## Modal effective mass

Hi Rahul I am trying to co relate analysis calculation vs theoretical calculation so i took simple 2dof system so it will have oly 2 natural frequencies
13. ## Modal effective mass

Thanks for the answer Rahul Yet still why do i see high mass value in rotation direction Mass value in rotation direction is higher than my system mass kindly clarify
14. ## Modal effective mass

Thanks for reply but in total mass in rotational directions why it is not equal to total mass? in translation i get my total mass equal to system mass but in rotational it shows 250kg which is more than my over all system mass
15. ## Modal effective mass

Kindly find the attached out file In effective modal mass i am getting my total mass in translation direction Why not in rotation of X direction? Is the unit different when it comes to translation and rotation ? Thanks for your help
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