4. B modeling#
4.1. Characteristics of modeling#
In order to verify that the results are independent of the orientation of the discontinuity (given by the Euler angles defined in AFFE_CARA_ELEM), the \(A\) model is repeated with a rotation of \(\alpha =-90°\). The direct reference frame defined by the normal and the tangent to the crack is then identical to the global coordinate system. So the Euler angle is equal to zero.
4.2. Tested sizes and results#
\(X(m)\) |
|
Time (years) |
Time (years) |
Reference \(\mathrm{PRE1}\) ( \(\mathrm{MPa}\) ) |
Difference ( \(\text{\%}\) ) |
256,97 |
0 |
7,5 |
7,5 |
39.95 |
|
516,51 |
0 |
7,5 |
42,68 |
|
|
256,97 |
0 |
20 |
20 |
38.45 |
|
516,51 |
0 |
20 |
40,98 |
|
\(X(m)\) |
|
Time (years) |
Reference \(\mathrm{V1}\) \((m)\) |
Difference ( \(\text{\%}\) ) |
516,51 |
0 |
7,5 |
2,20E-04 |
|
516,51 |
0 |
20 |
2,04E-04 |
|
We add a case of non-regression:
\(X(m)\) |
|
Time (years) |
Reference \(\mathrm{FH11X}\) \(({\mathrm{kg.m}}^{-1}\mathrm{.}{s}^{-1})\) |
Difference ( \(\text{\%}\) ) |
516,51 |
0 |
7,5 |
-7,0189E-03 |
0.10 |
516,51 |
0 |
20 |
-5,3847E-03 |
0.10 |