有限元解的有效区间法

Proceedings 16th Annual International Symposium on High Performance Computing Systems and Applications Pub Date : 2002-06-16 DOI:10.1109/HPCSA.2002.1019150

R. Mullen, R. Muhanna

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引用次数: 6

摘要

提出了一种在有限元计算中考虑不确定输入数据影响和截断误差影响的有效方法。该方法基于区间数理论。该公式包括一种预测校正方法，允许宽间隔值作为输入，并在计算期间保持清晰的结果。结果表明，该方法对固体力学问题的敏锐性有所提高。

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Efficient interval methods for finite element solutions

An efficient method for including the impact of uncertain input data along with the impact of truncation errors in finite element calculations is presented. This method is based on the theory of interval numbers. The formulation involves a predictor-corrector approach that allows for wide interval values as input and maintains sharp results during calculations. Results that illustrate the method's improved sharpness for solid mechanics problems are presented.

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Proceedings 16th Annual International Symposium on High Performance Computing Systems and Applications

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