Abstract
The thermal residual stresses (TRS) induced in ceramic matrix composites (CMCs) with multi-layered interphases when cooling down from the processing temperature, have a significant influence on the mechanical behavior and lifetime of CMCs. The objective of this work is to minimize the TRS of the unidirectional CMCs with multilayered interphases by controlling the interphases thicknesses. A new Particle Swarm Optimization (PSO) algorithm is interfaced with a finite element code to find an optimal design and thereby significantly reduce the TRS within CMCs. This new PSO allows a faster convergence rate and gets a new effective stopping criteria based on real physical limits.
| Original language | English |
|---|---|
| Pages (from-to) | 166-174 |
| Number of pages | 9 |
| Journal | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
| Volume | 8472 |
| DOIs | |
| State | Published - 2014 |
Keywords
- Ceramic matrix composites
- Finite element analysis
- Microstructure modeling
- Particle Swarm Optimization
- Radius improvement
- The BSG-Starcraft improvement
- Thermal residual stresses
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