Contribution à l'élaboration d'un logiciel métier par éléments finis pour l'analyse thermomécanique globale d'échangeurs de chaleur à plaques et ondes

Abstract : This work consists of developing a software tool based on the linear thermomechanical modeling of the heat exchanger using homogenization techniques. A methodology for modeling the heat exchanger constituted by stacking of different brazed fins and sheets is adopted. This methodology assumes that the global behavior of every layer of fins and sheets is found between two behavior limits determined by periodic mechanical approach (HMP) and periodic kinematical approach (HCP). These techniques are implemented for numerical application while studying global loading due to the temperature and pressure internal loads. A homogenization tool (HomPass) is then developed in order to calculate automatically equivalent behaviors to each layer of brazed fins and sheets. That contributes to the development of the final software tool (SiTEME) dedicated to the global thermomechanical study of the heat exchanger
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Johan Dib. Contribution à l'élaboration d'un logiciel métier par éléments finis pour l'analyse thermomécanique globale d'échangeurs de chaleur à plaques et ondes. Autre. Institut National Polytechnique de Lorraine, 2007. Français. ⟨NNT : 2007INPL025N⟩. ⟨tel-01752886⟩

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