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help me(stage convergence problem)

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Old   April 1, 2004, 09:35
Default help me(stage convergence problem)
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feng
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Hello,I meet a convergence problem in rotor-stator- interaction calculation,the radial gap between impeller outlet and diffuser inlet is about 2 percent of the outlet radius of impeller.the the interface is stage model,i can not get a convergent result.but i have used frozen rotor model to calculate,i can get a good result whose maximum residuals are less than 1e-5(the chosen turbulent model is k-w ,SST model). who has some ideas to solve my problem?

thank you

feng

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