A study on reproducibility of priori knowledge in crack annalisis by the xfem

Kazuki Shibanuma; Tomoaki Utsunomiya

doi:10.2208/jsceja.65.955

A study on reproducibility of priori knowledge in crack annalisis by the xfem

Research output: Contribution to journal › Article › peer-review

Abstract

The XFEM is the numerical method which employs the approximation including priori knowledge of the solution by using the concept of enrichment in a local area. In this paper, reproducibility of priori knowledge in the standard XFEM and the PUFEM-based XFEM (PU-XFEM) reformulated by authors for the crack analysis is evaluated, respectively. The results show that there is a significant reduction in the reproducibility of priori knowledge in the local enrichment area near the crack tip for the standard XFEM. On the other hand, it is shown that the priori knowledge can be accurately reproduced in the PU-XFEM.

Original language	English
Pages (from-to)	955-960
Number of pages	6
Journal	Doboku Gakkai Ronbunshuu A
Volume	65
Issue number	4
DOIs	https://doi.org/10.2208/jsceja.65.955
Publication status	Published - 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Building and Construction
Mechanics of Materials
Mechanical Engineering

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abstract = "The XFEM is the numerical method which employs the approximation including priori knowledge of the solution by using the concept of enrichment in a local area. In this paper, reproducibility of priori knowledge in the standard XFEM and the PUFEM-based XFEM (PU-XFEM) reformulated by authors for the crack analysis is evaluated, respectively. The results show that there is a significant reduction in the reproducibility of priori knowledge in the local enrichment area near the crack tip for the standard XFEM. On the other hand, it is shown that the priori knowledge can be accurately reproduced in the PU-XFEM.",

author = "Kazuki Shibanuma and Tomoaki Utsunomiya",

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AB - The XFEM is the numerical method which employs the approximation including priori knowledge of the solution by using the concept of enrichment in a local area. In this paper, reproducibility of priori knowledge in the standard XFEM and the PUFEM-based XFEM (PU-XFEM) reformulated by authors for the crack analysis is evaluated, respectively. The results show that there is a significant reduction in the reproducibility of priori knowledge in the local enrichment area near the crack tip for the standard XFEM. On the other hand, it is shown that the priori knowledge can be accurately reproduced in the PU-XFEM.

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A study on reproducibility of priori knowledge in crack annalisis by the xfem

Abstract

All Science Journal Classification (ASJC) codes

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