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首页> 外文期刊>Journal of Nondestructive Evaluation >A Computational Nondestructive Evaluation Algorithm Combining Self-Evolving Parameterization and Multi-Objective Optimization for Quantitative Damage Characterization
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A Computational Nondestructive Evaluation Algorithm Combining Self-Evolving Parameterization and Multi-Objective Optimization for Quantitative Damage Characterization

机译:结合自演化参数化和多目标优化的定量损伤特征计算非破坏性评估算法

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摘要

A self-evolving parameterization approach for nondestructive evaluation (NDE) of damage in structural components is presented and numerically evaluated. Focused herein on problems relating to characterizing an unknown quantity of localized changes in properties, the adaptive approach utilizes the substantial solution diversity that is uniquely provided by multi-objective optimization to iteratively build up the parameterization and accurately characterize all localized property changes with the minimum dimensional parameterization. Through simulated test problems based on the characterization of damage within plates, the NDE approach with self-evolving parameterization is shown to provide an accurate and efficient process for the solution of inverse characterization problems.
机译:提出了一种用于结构构件损伤的无损评估(NDE)的自演化参数化方法,并进行了数值评估。本文将重点放在与表征未知数量的局部特性变化有关的问题上,自适应方法利用多目标优化唯一提供的实质性解决方案多样性来迭代地建立参数化并以最小尺寸准确地表征所有局部特性变化。参数化。通过基于板内损伤特征的模拟测试问题,显示了具有自演化参数化的NDE方法,为解决逆特征问题提供了准确而有效的过程。

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