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friction model

Heat flux per unit area due to frictional dissipation (ABAQUS)

Hi all

I have a 2D model containing 2 2-D blocks rubbing on each other, producing heat at the interface. (Coupled temperature-displacement analysis in ABAQUS 6.8-1). This works fine, as the temperature on the contact surfaces in increasing.

Now, I want to get the instantaneous the heat flux per unit area due to frictional dissipation as a field output. Is there any standard subroutine or any other way to achieve that? There is no such a variable included in the standard ones.


flong208's picture

Where to find the cohesion value of metal for the Friction Model of ANSYS contact analysis?


 Is there someone knows:

Where to find the cohesion value(COHE) of metal for the Friction Model of ANSYS contact analysis?

Dean Eastbury's picture

Call for Papers: 17th IC Wear of Materials (WOM)

Authors are invited to submit, via the conference website, a 200-250 word abstract by 1 June 2008. The 17th International Conference on Wear of Materials ( will take place in Las Vegas, April 19-22, 2009. The conference will focus on both the fundamental and applied aspects of wear and friction of materials at the macro-, micro- and nano-scale.

Yanfei Gao's picture

Nanoscale incipient asperity sliding and interface micro-slip assessed by the measurement of tangential contact stiffness

Experiments with a multidimensional nano-contact system (Lucas, Hay, and Oliver, J. Mater. Res. 2004) have shown that, prior to kinetic frictional sliding, there is a significant reduction of the tangential contact stiffness relative to the elastic prediction. The reduction occurs at contact sizes below about 50~200nm for aluminum single crystals and several other materials. Using a cohesive interface model, we find that this reduction corresponds to a transition from a small-scale-slip to large-scale-slip condition of the interface.

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