## Abstract Most finite element (FE) software uses numerical integration to compute FE stiffness matrices. In the case of straightβsided isoparametric triangular elements, numerical integration is exact, provided a sufficient number of integration points are used. In this paper, the same integratio
β¦ LIBER β¦
Triangular finite elements and numerical integration
β Scribed by Franz G. Lannoy
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 87 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0045-7949
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Composite triangles consisting of four three-node triangles originally proposed by Camacho and Ortiz are studied. It is shown that the original element does not satisfy the BabuΓ ska-Brezzi condition nor pass the patch test. Remedies for these shortcomings are described. It is shown that the resulti