| Article Details : |
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| | | Article Name : | | | Optimization of multilayer composite for solid
rocket motor case using genetic algorithm | | Author Name : | | | MOHAMMED A. ABDALLA, MOHAMED TALBALLA ELSHEIKH | | Publisher : | | | Bridge Center | | Article URL : |  | | | Abstract : | | | The solid rocket motor (SRM) case of anti-tank weapon has
been selected for this work. The structural analysis of the origin SRM
under the maximum pressure 18.57 MPa, and thrust of the motor 1254
N, made by ANSYS workbench. The results shown that the safety
factor of this case is 1.72. The SRM tube was then replaced with
carbon fiber epoxy resin, and the design modified to hold the
maximum pressure. The layup angles for composite tube found using
Ansys direct Optimization, jointed with structural analysis using
ANSYS ACP, show that the safety factor for composite is 2.63, and the
ply sequence found by the optimization is (±40, ±50, ±4, ±76, ±28, ±66,
±63, ±87, ±44, ±88, ±28). As expected the weight of the SRM composite
tube is less than metallic tube, which was one third of the metallic one.
| | Keywords : | | | carbon fiber, epoxy resin, solid rocket motor case |
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