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Forum: Main CFD Forum

May 24, 2012, 05:51

Replies: 5

Weird velocity vector shape after step height (BFS)

Views: 1,695

Posted By warlocklw

Can be say so, since the fluid near boundary flow...

Can be say so, since the fluid near boundary flow at slow speed, the arrow is too small. When I normalized it, I can see the arrow direction clearly. And I notice that the horizontal and vertical...

Forum: Main CFD Forum

May 24, 2012, 04:39

Replies: 5

Weird velocity vector shape after step height (BFS)

Views: 1,695

Posted By warlocklw

I changed arrow shape and discovered that fluid...

I changed arrow shape and discovered that fluid at side flow upwards to fill the void created when the current flow down. The egg shape are vector between vector flow down at center and vector go up...

Forum: Main CFD Forum

May 23, 2012, 07:23

Replies: 5

Weird velocity vector shape after step height (BFS)

Views: 1,695

Posted By warlocklw

Since this is about fluid velocity, I am quite...

Since this is about fluid velocity, I am quite sure it should already been discovered. The projection is view towards outlet, or view towards -z axis. Above views are set so that clear view of what...

Forum: Main CFD Forum

May 23, 2012, 05:30

Replies: 5

Weird velocity vector shape after step height (BFS)

Views: 1,695

Posted By warlocklw

Weird velocity vector shape after step height (BFS)

Below is backward-facing step 1 micron microchannel with 75% step height, 500 Reynolds number. Investigation is performed on velocity vector after step height. It appears that something interesting...

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