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SAP2000
Purpose and capacities
Calculation models
Project of great significance
Purpose and Functions
The software system “SAP2000” is an integrated package for structural analysis of threedimensional building structures. The basic calculation algorithm is based on the most modern
numerical interpretation of the “End Elements” method. The program maintains a rich library of
end elements. The programming capabilities of “SAP2000” comprise the following types of
numerical analysis:
 Static analysis;
 Lines of impact upon live loads loading;
 Stability of building structures;
 Modal analysis after the “Ritz” and “Eigen value” methods;
 Dynamic analysis of base movements of the“Response Spectrum” or “Time history”
type;
 Non-linear analysis of building structures.
“SAP2000” is licensed also for the analysis of buildings and facilities included within the
system of NPPs.
Calculation Models
For demonstration of the potential capabilities of the program hereunder is presented only
the calculation model of the Spent fuel storage area in “Kozloduy” NPP, used for the analysis of
the task: “Substantiation of the dense storage of spent nuclear fuel assemblies from VVER-440
and VVER-1000”.
“Kozloduy” NPP, Spent fuel storage area – calculation model, general view and a section, perspective view
Major Projects:
The program PC version of the computer code “SAP2000” is officially purchased in 2003
by “AtomENERGOPROEKT” Ltd. As an authorized client, “AtomENERGOPROEKT” Ltd
possesses all application rights within the scope of the capabilities of the “SAP2000” calculation
system.
The computer code “SAP2000” is used in the development of the designs for the following
projects:
 “Kozloduy” NPP, Spent fuel storage area - “Substantiation of the dense storage of spent
nuclear fuel cassettes from VVER440 and VVER1000”;
 “Kozloduy” NPP, Spent fuel storage area – Analysis of the building structure’s bearing
capacity;
 “Kozloduy” NPP, units 5&6, Receiver site, Hydrogen and nitrogen receivers – Ckecking
the strength of elements, supports and foundations of the receivers upon hydraulic testing,
accounting for their behaviour upon seismic impact, etc.