腐蚀结构分析中腐蚀坑的随机布置和计算机模拟

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2006, Vol. 27 ›› Issue (3): 459-462.

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Stochastic Arrange and Computer Simulation of Corrosion Pitting in Damage Structure

REN Ke-liang^1,2, LU Guo-zhi¹, ZHANG You-hong¹

1. Department of Aircraft Engineering, Northwestern Polytechnical University, Xi'an 710072, China;2. Department of Physics & Electrical Information Engineering, Ningxia Unversity, Yinchuan 750021, China

Received:2004-12-14 Revised:2005-06-15 Online:2006-06-25 Published:2006-06-25

Abstract

Abstract: In safety evaluation analysis of aged aircraft in corrosive environment, there are many widespread stochastic corrosion pits with different radii on structural surface. The ideal program, using Monte Carlo method, is compiled which is used to map the pitted structure to calculation model. The method can visualize the simulation of eroded status and provide a platform for computing the residual strength and life of the damaged structure with corrosion pits.

Key words: aging aircraft, pitting, statistical analysis, Monte Carlo, chaotic mapping, computerized simulation, residual strength

CLC Number:

REN Ke-liang;LU Guo-zhi;ZHANG You-hong. Stochastic Arrange and Computer Simulation of Corrosion Pitting in Damage Structure[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2006, 27(3): 459-462.

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Stochastic Arrange and Computer Simulation of Corrosion Pitting in Damage Structure

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