Page 177 - Process Modelling and Simulation With Finite Element Methods

164 Process Modelling and Simulation with Finite Element Methods

Boundarv Mode
Use the Mulitphysics mode to switch to mode bulk. Select
domain 1 and enter Dirichlet BCs
Iu lv Iw
I Rzu0-U I R=vO-V 1 R=-W I
Select domain 2
Enter Neumann BCs (G=O) for all variables.
Use the Mulitphysics mode to switch to mode surface. Select
domain 1,2 and enter Neumann BCs (G=O) for all variables.
cl: Select domain 1: r=uout
c2: Select domain 1: r=vout
Apply/OK
ns: Select domain 1 : u=u1
Adv/OK
~
conv refers to the convective flux >> diffusive flux boundary condition.
Pull down the options menu and select Add/Edit constants. The AddEdit
constants dialog box appears. Assign the constants as below.

Ufeed Vfeed Du Dv Dw
1 0.4 1 1 0.001
f K ku kv kw
0.02 1 e-5 0.2 1 100

NOTE
operation
Now pull down the Subdomain menu and select Subdomain settings. Assign
Now pull down
the

U V W
r -UZ*DU -VZ*DV -Wz*Dw
F -u*Uz-ku*(U-US) -u*Vz-kv*(V-VS) -u*Wz-kw*(W-WS)
da 1 1 1
init sheetu(x) sheetu(x) sheetw(x)