LOCAL COLLISION SIMULATION OF AN SC WALL USING ENERGY ABSORBING STEEL
Abstract
This study evaluates the local damage of a turbine in an auxiliary building of a nuclear power plant due to an external impact by using the LS-DYNA finite element program. The wall of the auxiliary building is SC structure and the material of the SC wall plate is high manganese steel, which has superior ductility and energy absorbance compared to the ordinary steel used for other SC wall plates. The effects of the material of the wall, collision speed, and angle on the magnitude of the local damage were evaluated by local collision analysis. The analysis revealed that the SC wall made of manganese steel had significantly less damage than the SC wall made of ordinary steel. In conclusion, an SC wall made of manganese steel can have higher effective resistance than an SC wall made of ordinary steel against the local collision of an airplane engine or against a turbine impact.
Keywords
chemistry
Biology (General)
Engineering (General). Civil engineering (General)
Technology
Mechanical engineering and machinery
physics
architecture
building construction
textile bleaching, dyeing, printing, etc.
computer engineering. computer hardware
nuclear engineering. atomic power
construction industry
mechanics of engineering. applied mechanics
chemicals: manufacture, use, etc.
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105195
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105195
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