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Forum: CFX

September 21, 2011, 09:28

Replies: 12

mesh stiffness of FSI

Views: 2,447

Posted By mvoss

just guessing... but wouldn´t smth. like C*f(x)...

just guessing... but wouldn´t smth. like C*f(x) for the stiffness solve this similar to the idea above? Isn´t there a "stiff near bc" option?

Forum: CFX

September 20, 2011, 06:18

Replies: 12

mesh stiffness of FSI

Views: 2,447

Posted By mvoss

it has to be...

it has to be \sqrt{(x-x_{0})^{2}+(y-y_{0})^{2}}^{-4}

Forum: CFX

September 20, 2011, 04:14

Replies: 12

mesh stiffness of FSI

Views: 2,447

Posted By mvoss

take a look at the tutorials ... creating the...

take a look at the tutorials ... creating the expressions is straight forward.
create an expression stiff1, stiff2 with the app. expressions for x1,y1,x2,y2 and combine them to let´s say:...

Forum: CFX

September 20, 2011, 04:06

Replies: 12

mesh stiffness of FSI

Views: 2,447

Posted By mvoss

hey, you need to create an expression for...

hey,

you need to create an expression for the stiffening around the corners. smth. like (sqrt((x-x0)^2+(y-y0)^2))^4 with x0/y0 being the coordinates of the current location of one corner e.g....

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