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Details van artikel 4 van 17 gevonden artikelen
| Titel: |
Evaluation of the Stress Intensity Factors for Cracks in Continuously Nonhomogeneous Solids, Part II: Meshless Method |
| Auteur: |
Sladek, J. Sladek, V. Zhang, Ch. |
| Verschenen in: |
Mechanics of advanced materials & structures |
| Paginering: | Jaargang 15 (2008) nr. 6-7 pagina's 444-452 |
| Jaar: |
2008-08 |
| Inhoud: |
A meshless method based on the local Petrov-Galerkin approach is proposed for crack analysis in two-dimensional (2-D), orthotropic and linear elastic solids with continuously varying material properties. Both quasi-static thermal and transient elastodynamic problems are considered. For time-dependent problems, the Laplace-transform technique is utilized. A unit step function is used as the test functions in the local weak-form. It leads to local boundary integral equations (LBIEs) involving only a domain-integral in the case of transient dynamic problems.The analyzed domain is divided into small subdomains with a circular shape. The moving least-squares (MLS) method is adopted for approximating the physical quantities in the LBIEs. The accuracy of the present method for computing the mode-I stress intensity factors is discussed by comparison with available analytical or numerical solutions. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 17 gevonden artikelen
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