Ground check FAIL in NX Nastran

[FrSpace]

Hi everybody,

I have some problem with my model validation. Specially with the groundcheck :

*** USER INFORMATION MESSAGE 7570 (GPWG1S)
RESULTS OF RIGID BODY CHECKS OF MATRIX KGG (G-SET) FOLLOW:
PRINT RESULTS IN ALL SIX DIRECTIONS AGAINST THE LIMIT OF 1.000000E-03
DIRECTION STRAIN ENERGY PASS/FAIL
--------- ------------- ---------
1 1.886133E-05 PASS
2 1.030906E-05 PASS
3 1.042313E-05 PASS
4 1.452369E-07 PASS
5 1.750813E-08 PASS
6 7.434192E-08 PASS

*** USER INFORMATION MESSAGE 7570 (GPWG1S)
RESULTS OF RIGID BODY CHECKS OF MATRIX KNN (N-SET) FOLLOW:
PRINT RESULTS IN ALL SIX DIRECTIONS AGAINST THE LIMIT OF 1.000000E-03
DIRECTION STRAIN ENERGY PASS/FAIL
--------- ------------- ---------
1 4.049856E-06 PASS
2 2.820227E-05 PASS
3 2.973353E-05 PASS
4 3.231150E-08 PASS
5 6.870722E-09 PASS
6 7.646366E-08 PASS

*** USER INFORMATION MESSAGE 7570 (GPWG1S)
RESULTS OF RIGID BODY CHECKS OF MATRIX KNN+AUTO (N+AUTOSPC-SET) FOLLOW:
PRINT RESULTS IN ALL SIX DIRECTIONS AGAINST THE LIMIT OF 1.000000E-03
DIRECTION STRAIN ENERGY PASS/FAIL
--------- ------------- ---------
1 4.049856E-06 PASS
2 2.820227E-05 PASS
3 2.973353E-05 PASS
4 3.231150E-08 PASS
5 2.095870E+05 FAIL
6 6.739177E+04 FAIL

*** USER INFORMATION MESSAGE 7570 (GPWG1S)
RESULTS OF RIGID BODY CHECKS OF MATRIX KFF (F-SET) FOLLOW:
PRINT RESULTS IN ALL SIX DIRECTIONS AGAINST THE LIMIT OF 1.000000E-03
DIRECTION STRAIN ENERGY PASS/FAIL
--------- ------------- ---------
1 4.049856E-06 PASS
2 2.820227E-05 PASS
3 2.973353E-05 PASS
4 3.231150E-08 PASS
5 2.095870E+05 FAIL
6 6.739177E+04 FAIL

*** USER INFORMATION MESSAGE 7570 (GPWG1S)
RESULTS OF RIGID BODY CHECKS OF MATRIX KAA1 (A-SET) FOLLOW:
PRINT RESULTS IN ALL SIX DIRECTIONS AGAINST THE LIMIT OF 1.000000E-03
DIRECTION STRAIN ENERGY PASS/FAIL
--------- ------------- ---------
1 4.049856E-06 PASS
2 2.820227E-05 PASS
3 2.973353E-05 PASS
4 3.231150E-08 PASS
5 2.095870E+05 FAIL
6 6.739177E+04 FAIL



I have two assumptions (correct or not) :

- A connection problem between 2D shell and 3D solid fem. (attached picture 1)

- Or a problem with the reinforcements modeling. (attached picture 2)

If anybody can help me,

Thanks in advance,