The Development of the Calculation Module of ANSYS and Its Engineering Application

Abstract

The damping radiation effect of infinite foundation is considered by using the Damping Solvent Extraction Method (DSEM) based on the Finite Element Method, the nuclear plant and the infinite foundation is coupled based on solving the interaction force between interface and the displacement coordination assumption, the time domain seismic analysis model of nuclear plant foundation is established. In order to improve the practicability, the developed model is functionally embedded in the general finite element software ANSYS by using the secondary development function UPFs, APDL and UIDL. Finally, the influence of different frequency harmonic wave on the accuracy and efficiency is analyzed through numerical example, and the parameter range of the applicable engineering application is also put forward, and then, Seismic adaptability analysis of china’s one million kilowatt pressurized water reactor nuclear power plant foundation is carried out, the calculation results show good reliability and engineering practicability.