Looking at the bracket in the attached photo. it is made of 2" thick AISI 1025 steel and attached to an A36 solid steel plate.
I have run an FEA analysis on it to calculate at what load the weld yields. I also did the hand calculations to find the same load, to within approx. 8 percent.
My question is:
I would like to take half of the load I calculated and apply it in a rough fatigue analysis to see roughly how many cycles the weld will survive. This isn't an area of expertise for me by any means. so I understand it could be done to many different fidelities likely using different approaches. Just looking for an approach that will get theoretically close. I'm assuming I cant just take the max shear load I calculated in the weld and plot that on an SN curve for the weakest material?
Thanks for any direction.
~Phillip
I have run an FEA analysis on it to calculate at what load the weld yields. I also did the hand calculations to find the same load, to within approx. 8 percent.
My question is:
I would like to take half of the load I calculated and apply it in a rough fatigue analysis to see roughly how many cycles the weld will survive. This isn't an area of expertise for me by any means. so I understand it could be done to many different fidelities likely using different approaches. Just looking for an approach that will get theoretically close. I'm assuming I cant just take the max shear load I calculated in the weld and plot that on an SN curve for the weakest material?
Thanks for any direction.
~Phillip
