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zrrpack银虫 (小有名气)
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[求助]
polyflow 模拟逆向挤出出现问题
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现用polyflow软件模拟逆向挤出问题 结果不能收敛,提示如下: ******************************** * Summary of the simulation * ******************************** The computation failed. *************************** * Expert tool diagnostics * *************************** The problem F.E.M. Task 1 has not converged. *************************** * Expert tool Suggestions * *************************** There is a non-linearity in problem Navier-Stokes 3D introduced by the power law index (n) of the viscosity law. The value of the power law index is 0.75. The expert system suggests to use a Picard iterative scheme with a number of iterations about 30 or 40. There is a non-linearity in problem Navier-Stokes 3D introduced by the power law index (n) of the viscosity law. The value of the power law index is 0.75. The expert system suggests to use an evolution for this parameter coupling with Newton-Raphson iterative scheme. The evolution scheme must be the following : - f(s) = 1/s - S-ini = n = 0.75 - S-final = 1.0 - Initial increment = 0.9375 = n/0.8. If you can not define the evolution with those typical values of the evolution parameters, maybe your problem is not well defined. Please check the setup of your simulations. 望遇到同样问题的虫友,解答或者共同探讨下.  |
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zrrpack
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3楼2015-10-09 11:02:53
hagongda54
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