A NEW DYNAMIC GRIDS BASED ON TEMPERATURE ANALOGY AND APPLICATION IN VIBRATION ENGINEERING OF FLUID – SOLID INTERACTION

CHEN Yan;CAO Shuliang;LIANG Kaihong;ZHU Baoshan

Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (4) : 1-5.

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PDF(2398 KB)
Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (4) : 1-5.
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A NEW DYNAMIC GRIDS BASED ON TEMPERATURE ANALOGY AND APPLICATION IN VIBRATION ENGINEERING OF FLUID – SOLID INTERACTION

  • CHEN Yan;CAO Shuliang;LIANG Kaihong;ZHU Baoshan
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Abstract

A new dynamic grids method is presented by using temperature analogy. The displacement of the moving boundary is considered as temperature boundary conditions, the internal nodes’ displacement is obtained by solving energy equation or heat conduction equation. The temperature analogy is used to solve fluid-structural interaction problem. Examples include forced vibration of a thin cambered blade and vortex induced free vibration of cylinder. Compared with other methods, the temperature analogy is more efficient and robust. The results show the temperature analogy can effectively solve the dynamic grids problems in the vibration engineering.

Key words

dynamic grids / temperature analogy / fluid-solid interaction / forced vibration / free vibration

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CHEN Yan;CAO Shuliang;LIANG Kaihong;ZHU Baoshan. A NEW DYNAMIC GRIDS BASED ON TEMPERATURE ANALOGY AND APPLICATION IN VIBRATION ENGINEERING OF FLUID – SOLID INTERACTION [J]. Journal of Vibration and Shock, 2010, 29(4): 1-5
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