Movie Logo.blend (879 KB)Hi,
I’m beginning to learn to render fluids, and I am having some problems. I create a mesh (cube), then another mesh (uvsphere), set the sphere to ‘fluid’ and the cube to ‘domain’ in the physics settings. The sphere is positioned inside the cube. I then press the ‘Bake’ button and render my fluid animation. This normally works ok. However when I try adjusting the domain (cube) size or position, the Bake button seems to have no effect and no animation is rendered.
Attached is my blender file, in case any of you are so helpful as to take a look 
As an end result, I want the drip to land on the ‘R’ of ‘PRODUCTIONS’. Hopefully someone can explain how to do this as I am very much a beginner in using Blender and I am sure it is a simple enough task for anyone familiar with the software.
Thanks a lot in advance,
P.
A very quick glance at your blend.
You need to set the text to be an obstacle in the fluid settings for a start. Also your fluid resolution is way way way too low.
Reset the scale values for all objects with Ctrl+A
Why is your domain so large. If you only want the fluid to hit one letter you have loads of wasted space. Fluid resolution is at a premium, make the most of it.
In the domain fluid settings, change the viewport display to ‘Final’ instead of preview so you can see what the fluid is really going to look like, fluid with a preview resolution of 30 will look crap.
In the domain fluid settings reduce the simulation end time from 4.00. You were simulating 4 seconds of real world fluid flow. In reality fluid falling onto some text would happen in a fraction of a second. Chaned this to 0.5 secs.
A starting point for further refinement.
http://www.screencast.com/users/blenderwho/folders/Jing/media/4bbdeb95-52e6-419a-bff0-22fe0eb391a2
Note that in 2.5 you don’t see the fluid simulation in the 3d view while baking, only the progress bar at the top of the screen.
Attachments
Movie Logo.blend (921 KB)
Movie Logo.blend (878 KB)
Thank you, I have followed your advice. However I do not understand why the Bake button still does not always render a fluid animation. Do I have to be in a certain mode?
I have attached an updated version of my file.
Really appreciate your help.
Sometimes baking to another output location may help so you don’t have any interference with previous bakes.
Reduce the risk of anything preventing baking like having all your fluid in the domain, make sure the objects sizes are not very very small, make sure all objects have had their scales/rotations reset with Ctrl+A, clean mesh, remove duplicate vertices, recalculate face normals (Ctrl+N). Check, check and then check again the settings for all objects and the domain values.
Sorted! Thanks very much for your help !!
Also, if you are using text to have the water or whatever fall onto, make sure you have set the text as an obstical!.
In your Fluid set up panel, with the text selected, select abstical to tell blender fluids that it is an object in the way of your fluids and will effect it as such!.
Hope this helps?
Wayne