2. Benchmark solutions#

2.1. Calculation method used for reference solutions#

2.1.1. Modeling A#

The equation for non-linear behavior is known as well as the load while moving, the solution is calculated analytically.

The law of behavior’s response in effort is:

INST

DX [mm]

Force [N]

1.000E-01

1.1755705046E+00

3.6359182479E+02

1.500E-01

1.6180339887E+00

3.9812608291E+02

2.000E-01

1.9021130326E+00

4.1019465908E+02

2.500E-01

2.0000000000E+00

4.1334696516E+02

3.000E-01

1.9021130326E+00

3.7419217820E+02

3.500E-01

1.6180339887E+00

2.6056056066E+02

4.000E-01

1.1755705046E+00

8.3575166995E+01

4.500E-01

6.1803398875E-01

-1.3943943934E+02

5.500E-01

-6.1803398875E-01

-4.2538927701E+02

6.000E-01

-1.1755705046E+00

-4.3218671109E+02

6.500E-01

-1.6180339887E+00

-4.3565267662E+02

7.000E-01

-1.9021130326E+00

-4.3733359687E+02

7.500E-01

-2.0000000000E+00

-4.3783890390E+02

8.000E-01

-1.9021130326E+00

-3.9868411694E+02

8.500E-01

-1.6180339887E+00

-2.8505249940E+02

9.000E-01

-1.1755705046E+00

-1.0806710573E+02

9.500E-01

-6.1803398875E-01

1.1494750060E+02

-6.180339887575E-01

-6.1803398875E-01

1.050E+00

6.1803398875E-01

6.1803398875E-01

4.3970639868E+02

1.100E+00

1.1755705046E+00

4.4151193260E+02

1.150E+00

1.6180339887E+00

4.4260216756E+02

1.200E+00

1.9021130326E+00

4.4318572288E+02

1.250E+00

2.0000000000E+00

4.4336937364E+02

1.300E+00

1.9021130326E+00

4.0421458667E+02

1.9021130326E+00

1.350E+00

1.6180339887E+00

2.9058296914E+02

1.400E+00

1.1755705046E+00

1.1359757547E+02

1.450E+00

6.1803398875E-01

-1.0941703086E+02

-1.0941703086E+02

The internal variables of the law of behavior are also calculated and will be tested.

Variable name

V1

FORCEX

Axial force in the local coordinate system

V4

DEPLX

Axial displacement in the local coordinate system

V7

DISSTHER

Dissipation

V8

PCUM

Cumulative anelastic displacement

V9

DEPLPX

Anelastic displacement

The internal variables of the law of behavior:

INST

V1

V4

V4

V7

V9

V8

1.000E-01

3.63592E+02

1.17557E+00

8.68431E+01

2.66591E-01

2.66591E-01

2.66591E-01

1.500E-01

3.98126E+02

1.61803E+00

2.23467E+02

6.22719E-01

6.22719E-01

6.22719E-01

2.000E-01

4.10195E+02

1.90211E+00

3.26206E+02

8.76626E-01

8.76626E-01

8.76626E-01

2.500E-01

4.13347E+02

2.00000E+00

3.63271E+02

9.66633E-01

9.66633E-01

9.66633E-01

3.000E-01

3.74192E+02

1.90211E+00

3.63271E+02

9.66633E-01

9.66633E-01

9.66633E-01

3.500E-01

2.60561E+02

1.61803E+00

3.63271E+02

9.66633E-01

9.66633E-01

9.66633E-01

4.000E-01

8.35752E+01

1.17557E+00

3.63271E+02

9.66633E-01

9.66633E-01

9.66633E-01

4.500E-01

-1.39439E+02

6.18034E-01

3.63271E+02

9.66633E-01

9.66633E-01

9.66633E-01

5.500E-01

-4.25389E+02

-6.18034E-01

5.82185E+02

4.45439E-01

4.45439E-01

1.48783E+00

6.000E-01

-4.32187E+02

-1.17557E+00

8.14129E+02

-9.51037E-02

-9.51037E-02

2.02837E+00

6.500E-01

-4.35653E+02

-1.61803E+00

1.00241E+03

-5.28902E-01

-5.28902E-01

2.46217E+00

7.000E-01

-4.37334E+02

-1.90211E+00

1.12458E+03

-8.08779E-01

-8.08779E-01

2.74204E+00

7.500E-01

-4.37839E+02

-2.00000E+00

1.16686E+03

-9.05403E-01

2.83867E+00

2.83867E+00

8.000E-01

-3.98684E+02

-1.90211E+00

1.16686E+03

-9.05403E-01

-9.05403E-01

2.83867E+00

8.500E-01

-2.85052E+02

-1.61803E+00

1.16686E+03

-9.05403E-01

-9.05403E-01

2.83867E+00

9.000E-01

-1.08067E+02

-1.17557E+00

1.16686E+03

-9.05403E-01

-9.05403E-01

2.83867E+00

9.500E-01

1.14948E+02

-6.18034E-01

1.16686E+03

-9.05403E-01

2.83867E+00

2.83867E+00

1.050E+00

4.39706E+02

6.18034E-01

1.35299E+03

-4.81232E-01

3.26284E+00

3.26284E+00

1.100E+00

4.41512E+02

1.17557E+00

1.59669E+03

7.17907E-02

3.81586E+00

3.81586E+00

1.150E+00

4.42602E+02

1.61803E+00

1.79109E+03

5.11529E-01

4.25560E+00

4.25560E+00

1.200E+00

4.43186E+02

1.90211E+00

1.91626E+03

7.94149E-01

4.53822E+00

4.53822E+00

1.250E+00

4.43369E+02

2.00000E+00

2.00000E+00

1.95945E+03

8.91577E-01

4.63565E+00

1.300E+00

4.04215E+02

1.90211E+00

1.95945E+03

8.91577E-01

4.63565E+00

4.63565E+00

1.350E+00

2.90583E+02

1.61803E+00

1.95945E+03

8.91577E-01

4.63565E+00

4.63565E+00

1.400E+00

1.13598E+02

1.17557E+00

1.95945E+03

8.91577E-01

8.91577E-01

4.63565E+00

1.450E+00

-1.09417E+02

6.18034E-01

1.95945E+03

8.91577E-01

8.91577E-01

4.63565E+00

2.1.2. B and C models#

Non-regression test cases

2.2. Uncertainty about the solution#

2.2.1. Modeling A#

None, the reference solution is accurate.

2.2.2. B and C models#

Not applicable