PSI - Issue 79

Victor Rizov et al. / Procedia Structural Integrity 79 (2026) 109–116

111

by Dn a and

 D a , respectively. These accelerations are found by using Eqs. (4) and (5), respectively.

2 l  = ,

a

(4) (5)

1

Dn

a D

1 l

 =



,

where 1 l is the length of the member, 3 4 L L , of the structure. The accelerations, Dn a and

 D a , are depicted in Fig.

1.

Fig. 1. Structure rotating around horizontal axis.

Hn a and  H a are the normal and tangential accelerations of an arbitrary point, H , of the vertical member of the structure in Fig. 1. Equations (6) and (7) are used for determining of Hn a and  H a , respectively.

2 HL

a

 =

,

(6)

4

Hn

a

HL

 =



.

(7)

4

D

The intensities of the distributed inertia loads, Dn q ,

 D q , Hn q and

 H q , induced by the accelerations, Dn a ,

 D a , Hn a and

 H a , are found by Eqs. (8), (9), (10) and (11), respectively.