-norm for mesh optimization with application to electro-thermal modeling of an electric wire in automotive context
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- 作者：Mathieu Chevrié ; a ; c ; mathieu.chevrie@u-bordeaux.fr" class="auth_mail" title="E-mail the corresponding author ; Christophe Farges ; a ; christophe.farges@ims-bordeaux.fr" class="auth_mail" title="E-mail the corresponding author ; christophe.farges@u-bordeaux.fr" class="auth_mail" title="E-mail the corresponding author ; Jocelyn Sabatiera ; jocelyn.sabatier@u-bordeaux.fr" class="auth_mail" title="E-mail the corresponding author ; Franck Guillemardb ; franck.guillemard@mpsa.com" class="auth_mail" title="E-mail the corresponding author ; Laetitia Pradereb ; laetitia.pradre@mpsa.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Electric wires ; H2H2-norm ; Meshed model ; Non integer model
- 刊名：Communications in Nonlinear Science and Numerical Simulation
- 出版年：2017
- 出版时间：April 2017
- 年：2017
- 卷：45
- 期：Complete
- 页码：176-189
- 全文大小：1652 K
文摘
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An analytical dynamic model of the longitudinal temperature of an electric wire involving a special implicit transfer function with an exponential is presented.
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A meshed model (spatial discretization) is proposed to obtain an accurate integer order approximation of this kind of transfer function.
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The spatial discretization is optimized through a criterion based on the H2-norm of the error transfer function between the analytical model and its meshed approximation.
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Accuracy of the meshed model is evaluated with measured data from dedicated benchmark and compared to other models obtained from classical frequency identifications.