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Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: Far

Forum: FLUENT July 5, 2016, 17:52

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far Is it hexa mesh? Is it hexa mesh?

Forum: FLUENT July 5, 2016, 13:01

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far why to stick to these values of density and... why to stick to these values of density and viscosity? Reynolds number should be matched thats what we know from very basics.

Forum: FLUENT July 5, 2016, 12:39

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far why are taking too low dia and velocity? ... why are taking too low dia and velocity? For Re = 300, why not put vel = 1 m, Dia = 1 m, density = 1000, so viscosity = 1000*1*1/300 = 3.3333 Time period = 1 / f , since strouhal no =...

Forum: FLUENT July 5, 2016, 12:23

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far thats correct. thats correct.

Forum: FLUENT July 5, 2016, 06:59

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far vortex shedding periodic = 1/frequency. Frequency... vortex shedding periodic = 1/frequency. Frequency is calculated from strouhal number

Forum: FLUENT July 5, 2016, 02:58

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far What is vortex shedding period? No benefit... What is vortex shedding period? No benefit of increasing max itr per time step. Should not be more than 20. If you feel convergence problem then reduce time step by 50% which will have similar...

Forum: FLUENT July 5, 2016, 01:23

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far how many time steps did you use to divide one... how many time steps did you use to divide one cycle time period?

Forum: FLUENT July 4, 2016, 06:01

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far Actually in transient CFD you have three regions:... Actually in transient CFD you have three regions: 1. Initial transients due to numerical model kick starting 2. Solution settling time aka steady state region 3. True transient region ...

Forum: FLUENT July 3, 2016, 14:56

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far how did you calculate that time step? run... how did you calculate that time step? run simulation for long time.

Forum: FLUENT July 3, 2016, 11:26

Replies: 32 Vortex shedding in sphere Views: 4,404 Posted By Far this should not be problem. If you setting up... this should not be problem. If you setting up problem correctly. 1. Mesh 2. Time step 3. Boundary conditions and material properties.

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