Pair of beams

X_A

X_B

X_C

X_D

1 - 2

−0.0667

−0.9147

0.7439

0.9915

1 - 3

1.0000

1.0000

1.0000

1.0000

1 - 4

−0.0667

−0.9147

0.7439

0.9915

2 - 3

−0.0667

−0.9147

0.7439

0.9915

2 - 4

1.0000

1.0000

1.0000

1.0000

3 - 4

−0.0667

−0.9147

0.7439

0.9915