Effects of computer hardware and software on solution speed and accuracy of FEM
  
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DOI:10.7511/jslx20085130
KeyWord:strip rolling,RP/RVP FEM,computers,solution speed,solution accuracy
ZHANG Guang-liang  ZHANG Shi-hong  LIU Jin-song  ZHANG Hai-qu  LI Chang-sheng
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Abstract:
      The solution speed and accuracy of finite element simulation in different computers with different hardware and software have been investigated.Firstly,the rigid plastic finite element code of strip rolling was programmed by FORTRAN language.Secondly,one workstation and four Personal Computers installed with different hardware,especially CPU,and different operating systems including WINDOWS,Linux and IRIX,were tested using the finite element Code.Thirdly,the effects of computer hardware and software on the simulation results such as rolling force and forward slip were investigated.The time consumptions and the iteration times during finite element simulation were recorded and analyzed to illustrate the solution speed.Finally,the appropriate computer configuration was proposed to provide a good reference for the computer configuration of finite element simulation and a computer platform for the fast online solution of strip rolling by FEM with high precision.