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Cracked-Beam and Related Singularity Problems

Cracked beam problem is an elliptic boundary value problem with singularity. It is often used as a testing model for numerical methods.
We use numerical and symbolic boundary approximation methods and boundary collocation method to compute its extremely high accurate solution with global error $O(10^{-100})$.
This solution then can be regarded as the exact solution. On the other hand, we vary the boundary conditions of this problem to obtain several related models.
Their numerical solutions are compared to those of cracked beam and Motz problems, the prototypes of singularity problems.
From the comparison we can conclude the advantage of each model and decide the best testing model for numerical methods.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0629101-125213
Date29 June 2001
CreatorsTang, Lin-Tai
ContributorsTzon-Tzer LU, Zi-Cai Li, Tzyy-Leng Horng, Shih-Yu Shen, Chieh-Sen Huang
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629101-125213
Rightsunrestricted, Copyright information available at source archive

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