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A 4-node bilinear isoparametric element in rockwell nastran
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Liao, C. Allison, R. E. |
| Copyright Year | 1985 |
| Description | The development and evaluation of the Rockwell NASTRAN four node quadrilateral (QUAD4) element is presented. The element derivation utilizes bilinear isoparametric techniques both for membrane and bending characteristics. The QUAD4 element coordinate system, membrane properties, lumped mass matrix, and treatment of warping are based upon the COSMIC/NASTRAN QDMEMI element while the bending characteristics are based on a paper by T. J. R. Hughes. The effects of warping on the bending stiffness, consistent mass, and geometric stiffness are based upon a paper by R. H. MacNeal. Numerical integration is accomplished by Gaussian quadrature on a 2 x 2 grid. Practical user support features include variable element thickness, thermal analysis and layered composite material definitions. |
| File Size | 356006 |
| Page Count | 20 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19850017556 |
| Archival Resource Key | ark:/13960/t9n34qw3h |
| Language | English |
| Publisher Date | 1985-05-01 |
| Access Restriction | Open |
| Subject Keyword | Structural Mechanics Stiffness Matrix Numerical Integration Plates Structural Members Membrane Structures Linearity Isoparametric Finite Elements Coordinates Beams Supports Warpage Bending Nastran Structural Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
