Hello everyone, regarding constant pressure, constant rate, and constant temperature, what should I do? THX

（1）My approach to constant pressure injection is to set the pressure of the injected grid in INCON, and set the volume of the grid to be infinitely large in MESH, and set the Dirichlet condition at the farthest point. After running, the results were not ideal, as shown in the following figure. The input file and output results are shown in Attachment constant pressure.

（2）My approach to constant temperature injection is to set the temperature of the injected grid in INCON, set the density of the grid to e30 in flow-inp, change the lithology of the grid in MESH, and finally set the Dirichlet condition at the farthest point. After running, the results were not ideal, as shown in the following figure. The input file and output results are shown in Attachment constant temperature.

（3）Regarding constant velocity injection, the injection grid and constant velocity are set in GENER without inputting enthalpy values, and there are no changes in MESH and INCON. The input content of flow-inp is shown in the following figure.

image 

I am eager for everyone's help, and I will be extremely grateful！