parameter identification of composite materials based on spectral model by using model updating method
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ID: 239064
2018
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Abstract
A model updating approach based on a spectral element model and solved with a particle swarm optimization (PSO) method is proposed to identify the vibration-damping properties of composite materials. In comparison with conventional finite element model updating, a composite beam is modeled in a unified way by using a spectral approach whose computational cost is significantly reduced due to its simplicity. In this way, the dynamic response can be captured accurately by using a very limited number of elements. To identify the material properties, experimental tests are carried out to get the initial parameters that are introduced to initialize the spectral model; then, a model updating process solved with a PSO algorithm is implemented to obtain the real material parameters. It has been demonstrated that the proposed spectral model is a potential tool for model updating and parameter identification.
| Reference Key |
sun2018internationalparameter
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| Authors | ;Rui Sun;Ricardo Perera;Enrique Sevillano;Jintao Gu |
| Journal | 19th international congress of chemical and process engineering, chisa 2010 and 7th european congress of chemical engineering, ecce-7 |
| Year | 2018 |
| DOI |
10.1155/2018/7310846
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