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zrrpack銀蟲 (小有名氣)
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[求助]
polyflow 模擬逆向擠出出現(xiàn)問題
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現(xiàn)用polyflow軟件模擬逆向擠出問題 結果不能收斂,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. 望遇到同樣問題的蟲友,解答或者共同探討下. |
鐵蟲 (小有名氣)
銀蟲 (小有名氣)
新蟲 (初入文壇)
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