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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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非薄板腐蚀探测问题的数值解法
, PP. 29-32
Keywords: 有限元,拟牛顿法,反问题,正则化
Abstract:
腐蚀探测问题是一个数学物理方程反问题,它通过外边界上可获知的电场数据反演求解腐蚀系数.通常所涉及的数据是带有噪声误差的.在无需假设板或管的厚度很薄的条件下,提出了一个基于dirichlet-neumann条件求解腐蚀系数的变分模型.该模型最终由最优化领域中的拟牛顿迭代法实现数值求解.给出若干理论分析,并用数值实验结果说明求解方法的可行有效性.
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