Page 265 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 6.2. countercurrent

• Choose 2 for the Y direction input then click .

The operation will be repeated for the block on the right-hand side of the domain.

• Set Select Block to 3 then click .

• Choose 2 for the Y direction input then click .

Blocks will now be redimensioned, so that the length of the contact zone between air and
water is 2 m, and that inflows and outflows are separated by plates.

Redimensioning of the left end of the domain
• To select the bottom-left block, set Select Block to 3.

• Click , and enter Xmax: -1.0. Click .

• Select the top-left block (Block 4).

• Click , and enter Xmax: -1.0 and Ymin: 0.0065. Click .

• Make sure that the two left blocks are disconnected. To do so, click at the bottom right
corner of the graphical view to display the Mesh Info panel with the relevant information.

• Select the center-left block (Block 1), click , and enter Xmin: -1.0. Click .

• Make sure that block 1 is now connected to blocks 2, 3 and 4 in the Mesh Info panel.

Redimensioning of the right end of the domain

• Select the bottom-right block (Block 5). Click , and enter Xmin: 1.0. Click .

• Select the top-right block (Block 6). Click , and enter Xmin: 1.0 and Ymin: 0.0065. Click
. Make sure the two right blocks are disconnected in the Mesh Info panel.

• Select the center-right block (Block 2), click , and enter Xmax: 1.0. Click .

• Make sure that block 2 is now connected to blocks 1, 5 and 6 in the Mesh Info panel.

The mesh should look as in Fig 6.8

c
Ascomp AG Switzerland 255 Version 5.7