[shaojie]

After editing the TXT file according to the help document, there is a "Please specify coupling approach: uncoupled/coupled." problem when reading the file. Some files are as follows:
1
0.6
effusion-up
coupled effusion-down
discrete point-point ext-discrete
dynamic incompressible
% x1 y1 z1 x2 y2 z2 diameter cd
0.1 0.005 0 0.09308 0.005 -0.004 0.002 0.5
0.1 0.015 0 0.09308 0.015 -0.004 0.002 0.5
0.1 0.025 0 0.09308 0.025 -0.004 0.002 0.5