2. Benchmark solution

2.1. Calculation method used for the reference solution

The following system is digitally integrated between \(t=0\) and \(t=1\).

(Ordinary nonlinear differential system of 6 equations with 6 unknowns solved using library NAG by a “Backward difference method”)

with the initial conditions:

2.2. Benchmark results

Values of

and

at the knots at \(t=\mathrm{1 }s\).

2.3. Uncertainty about the solution

Library uncertainty NAG.

2.4. Bibliographical references

1. Library user manual NAG out of CRAY.

2. 19. ANDRIEUX - P. SCHOENBERGER - S. TAHERI: A three dimensional cyclic constitutive law for metals with a semi-discrete memory variable - HI‑71/8147 (1992)

3. 16. GEYER - J.M. PROIX - P. SCHOENBERGER - S. TAHERI: Modeling progressive deformation phenomena - Collection of internal notes from the DER 93 NB00153