Tetrahedral elements are indispensable to complex finite element structural analysis. Two existing and two newly developed advanced 4-node tetrahedrons are studied in this paper. The existing elements that use complicated displacement fields are significantly simplified. The spurious zero-energy mod
โฆ LIBER โฆ
Nested Tetrahedrons
โ Scribed by Henry Lulli
- Book ID
- 114975972
- Publisher
- School Science and Mathematics Association
- Year
- 1978
- Tongue
- English
- Weight
- 57 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0036-6803
No coin nor oath required. For personal study only.
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7] Procedure: A mixture of the ester 1 (5 mmol) and the amine 2 (IOmmol) was diluted with acetonitrile in an 8-mL Teflon capsule, which was then stored for 3 d at 8 kbar. After evaporation of the solvent and amine, the residue was dissolved in dichloromethane and extracted with dilute HCI (saturated
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