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相变传热问题的灵敏度分析与优化设计方法 被引量:4

SENSITIVITY ANALYSIS AND DESIGN OPTIMIZATION METHODS FOR PROBLEMS OF HEAT TRANSFER WITH PHASE CHANGE
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摘要 研究了相变传热问题的优化设计及其灵敏度分析方法.在有限元-时间差分和等效热容法求解相变温度场的基础上,提出了相变温度场对设计变量一阶灵敏度的计算方法,给出直接法和伴随法两种计算格式并分析了它们的特点,建立了相变温度场优化的模型和算法,在有限元分析与优化设计软件JIFEx中实现了该方法.数值算例表明了灵敏度计算的精度和优化方法的有效性. The design optimization and sensitivity analysis methods for the problems of transient heat transfer with phase change have been researched in the paper. On the basis of phase-change temperature field solution with the finite element, time difference, and equivalent heat capacity methods, the numerical method to compute the first-order derivatives of temperature with respect to design variables is proposed. Two computational schemes of the direct method and the adjoint method have been given, and their characteristics have been discussed. The optimization model and algorithm are built for the transient temperature filed with phase change. These methods have been implemented within the software JIFEX for finite element analysis and design optimization. The numerical results of example problems are given to illustrate the accuracy of sensitivity analysis and the effectiveness of design optimization.
出处 《力学学报》 EI CSCD 北大核心 2006年第1期66-72,共7页 Chinese Journal of Theoretical and Applied Mechanics
基金 国家自然科学基金(10032030 10421002)辽宁省博士科研启动基金(20021063)资助项目~~
关键词 相变 传热 等效热容 灵敏度 优化设计 phase change, heat transfer, equivalent heat capacity, sensitivity, design optimization
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参考文献9

  • 1Ouyang T,Tamma KK.Finite element simulations involving simultaneous multiple interface fronts in phase change problem.Int J Heat Mass Transfer,1996,39:1711~1718
  • 2Lewis RW,Manzari MT,Ransing RS,et al.Casting shape optimization via process modeling.Materials and Design,2000,21(4):381~386
  • 3Haftka RT.Techniques for thermal sensitivity analysis.International Journal for Numerical Methods in Engineering,1981,17(1):71~80
  • 4Tortorelli DA,Haber RB,Lu SCY.Design sensitivity analysis for nonlinear thermal systems.Computer Methods in Applied Mechanics and Engineering,1989,77:61~77
  • 5Dems K,Rousselet B.Sensitivity analysis for transient heat conduction in a solid body-Part I:external boundary modification.Structural Optimization,1999,17(1):36~45
  • 6Dems K,Rousselet B.Sensitivity analysis for transient heat conduction in a solid body-Part Ⅱ:interface modification.Structural Optimization,1999,17(1):46~54
  • 7Cholewa R,Nowaka A J,Wrobelb LC.Application of BEM and sensitivity analysis to the solution of the governing diffusion-convection equation for a continuous casting process.Engineering Analysis with Boundary Elements,2004,28:389~403
  • 8李海梅,顾元宪,申长雨.平面相变热传导问题等效热容法的有限元解[J].大连理工大学学报,2000,40(1):45-48. 被引量:14
  • 9Gu YX,Zhang HW,Guan ZQ,et al.New generation software of structural analysis and design optimization-JIFEX.Int J Struct Eng Mech,1999,7(6):589~599

二级参考文献6

  • 1BOUNDS S,DAVEY K.An modified effective capacitance method for solidification modeling using linear tetrahedral finite elements[].International Journal for Numerical Methods in Engineering.1996
  • 2NISHMURA T.Analysis of two-dimensional freezing by the finite element method[].International Chemical Engineering.1985
  • 3MORGAN K,LEWIS R W.An improved algorithm for heat conduction problems with phase change[].International Journal for Numerical Methods in Engineering.1978
  • 4COMINI G,GUIDICE S D.Finite element solution of non-linear heat conduction problems with special reference to phase change[].International Journal for Numerical Methods in Engineering.1974
  • 5REDDY J N,GARTLING D K.T he Finite El ement Method in Heat Tr ansf er and Fl uid Dynamics[]..1994
  • 6CRANK J.F r ee and Moving Boundar y Pr obl ems[]..1984

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