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SCIENTIFIC-TECHNICAL CENTER » NUCLEAR POWER PLANT » ESTIMATION OF SEISMIC STABILITY

Estimation of seismic stability of the upper block equipment and drives CPS unit

 
Exterior upper reactor block design VVER-1000
 
The computational model of the upper block element

The calculation results

 
The frequency of 6.186 Hz. first mode
 
The frequency of 7.647 Hz. The third form
 
Frequency of 12.50 Hz. The fourth form
 
Frequency of 15.29 Hz. sixth form

Proper form upper unit oscillations

 
The distribution of stresses in the elements of the upper unit with VVER-1000 + MDE Nue
 
The stress distribution in the cross member at Nue + MDE
 
The stress distribution in the spacers at lattice Nue + MDE
 
The stress distribution in the lower spacers at lattice Nue + MDE
 
 
 
 
 
 
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