2. Benchmark solution

2.1. Calculation method used for the reference solution

The solution is the result of a calculation code and an experimental test.

From the reference solution valid for modeling the entire plate, it is necessary to divide the normal resultant by two to obtain a valid reference for a half-plate.

2.2. Benchmark results

The normal reaction force is as follows:

Imposed displacement (\(\mathrm{cm}\))	Reaction force (\(N\))
1.125	8.0083
2.2250	16.0166
3.3375	24.0250
4,4500	32,0333

The normal contact pressure is given as a reference. However, the meshes used are different. This pressure will be used to define non-regression tests.

2.3. Uncertainties about the solution

These results are relatively approximate because they are recorded directly on the paper curve.

2.4. Bibliographical references

A.F. SALEEB, K. CHEN, and T.Y.P. CHANG: « An effective two dimensional frictional contact model for arbitrary curved geometry » -*Int.J.Num.Meth.Eng. 37 (1994) p.1297—1321.