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Is it qualified for B787?

Hello everyone, Do you know where can I get more info on intelligent fasteners (like i-bolt or ultrasonic fasteners) that are installed on the 787 Dreamliner? Is there any article or web ressources that can help? Thanks

Hello , Is there any script thay allow transfering from abaqus output file (.odb) to ls dyna output file (.dynain) Thank you so much

Can we just discuss why it's bad? I mean physical explanation that shows "it's bad".

Hello guys, Thanks for your explanations, I fully agree with you on the effect of this tightening on preload. But Can you explain to me what can happen in theroritical conditions : assuming a non preloaded joint? I know that this application may not exist in industrial conditions, but I need to...

Hello guys, Is there any effect on static of fatigue behavior of fasteners if the nut is tightened against the incomplete threads of the screw? Is there any studies that was performed to study this configuration? Perhaps I am not clear..., please see attached the definition of incomplete...

Hello, I want to know if the axis of a drilled hole is perpendicular to the plate edge. What are 'indstrial tools" that exists to perform this measurment? Thanks

Hello all, I want to know if it is possible to create a customized field output: Let's say we have a mesh composed of 4 elements; I want to create a field output that will be stored into the odb file (with possibility of plot) the following results: Element 1 -----Value 1 Element 2 -----Value 2...

UP lol

UP lol

Hello; If we consider a riveted single lap shear joint where the load transfer will occur by friction between plates (due to clamping load) and bearing of the bolt. What is for you the best way to determine the part of load that is transmitted by bearing and the one by friction using abaqus...

Hello, Is there any possibility to plot a personalised field output; for example the model is constited of 1 element c3d8 and we want to plot those results in the visualisation module?: node 1 value 1 ............ node 8 value 8 Thanks for help Shingouz

Hello Divide your circle to 5 areas ( 1 inner square + 4 equal sub areas ) this will lead you normally to a structured mesh Good luck

Yes Shearmodulus=Youngmodulus/2(1+poisson's ratio) so no need to define it in the case of isotropic material.

Hi; Let's assume we have a bolted joint clamped up through torque tightening, let's also assume that the assembly is fixed and we apply the torque to the nut, As you know the bolt shankwill strech but I was wondering if we can have a displacement of the bolt in the head side or just the nut...

Thank you guys, yeah it is better to use CMM for this purpose and i'll use a roundess tester.

Hello, I am sorry in advance if my question sounds stupid but is it possible to assoociate an shear bolt (hi lite) with a traction nut (12point..)? Many thanks

Hello, I made some tests on bolted double shear joint (just 1 bolt assembling the 3 plates) and suspect that there is some plastic deformation into the bolt due to bending (like you can see in the attached image). I was wondering how can I measure this plastic deformation ? At first I thought...

Screwman, I don't say that we will depend on friction as just an defined amount of load will be transmitted by friction between plates; the point is: now we transmit all of the load by bearing, if we put some preload in bolt's we can transmit even more load for the same fatigue life! rb1957...

Yes rb1955, preload in shear loaded joints