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Global-local finite element analysis for thermo-mechanical stresses in bonded joints
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Shkarayev, S. Madenci, Erdogan Camarda, C. J. |
| Copyright Year | 1997 |
| Description | An analysis of adhesively bonded joints using conventional finite elements does not capture the singular behavior of the stress field in regions where two or three dissimilar materials form a junction with or without free edges. However, these regions are characteristic of the bonded joints and are prone to failure initiation. This study presents a method to capture the singular stress field arising from the geometric and material discontinuities in bonded composites. It is achieved by coupling the local (conventional) elements with global (special) elements whose interpolation functions are constructed from the asymptotic solution. |
| File Size | 910396 |
| Page Count | 36 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19980007178 |
| Archival Resource Key | ark:/13960/t12p02c3s |
| Language | English |
| Publisher Date | 1997-01-01 |
| Access Restriction | Open |
| Subject Keyword | Structural Mechanics Finite Element Method Interpolation Discontinuity Thermodynamics Asymptotic Series Stress Distribution Bonded Joints Adhesive Bonding Edges Failure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
