warning in transient progress

July 20, 2005, 20:44

MAXIMUM COURANT NUMBER = 1.634E+14 AT CELL 805844 MEAN COURANT NUMBER = 5.417E+10

RESU = 9.73275E-03 RESV = 1.03011E-01 RESW = 3.96587E-02 RESP = 2.10806E+04

*** WARNING #013 *** MAXIMUM SPECIFIED CORRECTOR STAGES 20 REACHED BEFORE CONVERGENCE CRITERION IS SATISFIED.

<<<<CONTINUITY EQUATION NOT CONVERGED>>>>

*** WARNING #038 *** UNNORMALISED RESIDUAL CANNOT BE REDUCED TO 1.000000E-10 IN EQ: PCOR

ROUND-OFF ERROR RESCUE NOT ATTEMPTED; SOLUTION RETURNED WITHOUT UPDATE

how to select the mentioned cell, and how deal with the problem.

July 21, 2005, 02:53

You can pick that cell by cset news clis 805844

However, that will not help you to solve your problem. Your Courant number is much too high. Reduce your time step and have a look in the user guide/methodology.

Volker

July 20, 2005, 20:44	warning in transient progress	#1
limingtiger Guest Posts: n/a	MAXIMUM COURANT NUMBER = 1.634E+14 AT CELL 805844 MEAN COURANT NUMBER = 5.417E+10 RESU = 9.73275E-03 RESV = 1.03011E-01 RESW = 3.96587E-02 RESP = 2.10806E+04 * WARNING #013 * MAXIMUM SPECIFIED CORRECTOR STAGES 20 REACHED BEFORE CONVERGENCE CRITERION IS SATISFIED. <<<<CONTINUITY EQUATION NOT CONVERGED>>>> * WARNING #038 * UNNORMALISED RESIDUAL CANNOT BE REDUCED TO 1.000000E-10 IN EQ: PCOR ROUND-OFF ERROR RESCUE NOT ATTEMPTED; SOLUTION RETURNED WITHOUT UPDATE how to select the mentioned cell, and how deal with the problem.

July 21, 2005, 02:53	Re: warning in transient progress	#2
Volker Guest Posts: n/a	You can pick that cell by cset news clis 805844 However, that will not help you to solve your problem. Your Courant number is much too high. Reduce your time step and have a look in the user guide/methodology. Volker

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