Prathap, Gangan and Chandra, S (1987) Field consistency and flexure of the eight noded solid element. Technical Report. National Aeronautical Laboratory, Bangalore,India.
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Abstract
A field consistent eight nodad displacement type solid element: is derived by augmenting the unual 9 trilinear shape functions with bubble functions and smoothing to achieve consistent definitions for the constrained strainfielde. This produces an element that is free of parasitic shear and 'Poisoonls locking' and is now13; also frame invariantt fee. the element stiffnesses are invariant whatever be the node numbering scheme or in whatever orientation the elentent local axes system is chosen. This has been made possible wing natural coordinate based displacements and co-variante train definitions and appropriate transfomations to the13; carteoian co-ordinate frame.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Finite element method;Field consistency;Bubble functions;8-node solid element |
| Subjects: | ENGINEERING > Structural Mechanics |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 10 Nov 2006 |
| Last Modified: | 24 May 2010 04:22 |
| URI: | http://nal-ir.nal.res.in/id/eprint/3251 |
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