Benchmark solution
=====================


Calculation method used for the reference solution
--------------------------------------------------------

The reference solution is analytical [:ref:`bib2 <bib2>`].


Benchmark results
----------------------

Prediction on the contact zone: 60 degrees.

Prediction on the start of the sliding zone: 26.2 degrees.

Pressure forces on the points of the contact surface:


.. csv-table::

    "**Identification**", "", "**Reference**"
    "SIXXpour an angle of", "0°", "—1.7813E+07"
    "SIXX ", "3°", "—1.7813E+07"
    "SIXX ", "6°", "—1.7750E+07"
    "SIXX ", "9°", "—1.7688E+07"
    "SIXX ", "12°", "—1.7594E+07"
    "SIXX ", "15°", "—1.7470E+07"
    "SIXX ", "18°", "—1.7312E+07"
    "SIXX ", "21°", "—1.7125E+07"
    "SIXX ", "24°", "—1.6906E+07"
    "SIXX ", "27°", "—1.6656E+07"
    "SIXX ", "30°", "—1.6343E+07"
    "SIXX ", "33°", "—1.5937E+07"
    "SIXX ", "36°", "—1.5406E+07"
    "SIXX ", "39°", "—1.4781E+07"
    "SIXX ", "42°", "—1.4031E+07"
    "SIXX ", "45°", "—1.3094E+07"
    "SIXX ", "48°", "—1.1169E+07"
    "SIXX ", "51°", "—1.0593E+07"



Bibliographical references
---------------------------


1. P. Alart, A. Curnier "A mixed formulation for frictional contact problems" Computer Methods in Applied Mechanics and Engineering (1991) p. 353-375


2. M. Klang "On interior contact under friction between cylindrical elastic bodies in contact" Thesis, Linköping University, Linköping, 1979.