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Development of a benchmark example for delamination fatigue growth prediction (Document No: 20100027539)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Krueger, Ronald |
| Copyright Year | 2010 |
| Description | The development of a benchmark example for cyclic delamination growth prediction is presented and demonstrated for a commercial code. The example is based on a finite element model of a Double Cantilever Beam (DCB) specimen, which is independent of the analysis software used and allows the assessment of the delamination growth prediction capabilities in commercial finite element codes. First, the benchmark result was created for the specimen. Second, starting from an initially straight front, the delamination was allowed to grow under cyclic loading in a finite element model of a commercial code. The number of cycles to delamination onset and the number of cycles during stable delamination growth for each growth increment were obtained from the analysis. In general, good agreement between the results obtained from the growth analysis and the benchmark results could be achieved by selecting the appropriate input parameters. Overall, the results are encouraging but further assessment for mixed-mode delamination is required |
| File Size | 2358959 |
| Page Count | 51 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20100027539 |
| Archival Resource Key | ark:/13960/t58d4wn8f |
| Language | English |
| Publisher Date | 2010-07-01 |
| Access Restriction | Open |
| Subject Keyword | Composite Materials Finite Element Method Cycles Cyclic Loads Delaminating Mathematical Models Cantilever Beams 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 |
