A Method to Identify Bird Constitutive Model and its Parameters

Abstract:

Identification of a bird constitutive model and its parameters is a very difficult work in bird-impact coupling solution. In order to identify the constitutive model and the parameters simultaneously, an inversion analytic model for the bird material parameters is given based on penalty function method and nonlinear optimization principle, and then combining the model preferential criterion proposed in this paper, the identification system of the bird constitutive model is established with ANSYS Parametric Design Language (APDL). Finally, the feasibility and practicability of this identification method are verified by an example.

• Periodical: Applied Mechanics and Materials (Volume 302)
• Pages: 686-693
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.302.686
• Online since: February 2013
• Authors: Yong Kang Zhang, Yu Long Li, Hong Bing Zhang
• Keywords: Bird Impact, Constitutive Model, Inversion, Material Parameter, Non-Linear Optimization

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