diff --git a/doc/FluidMixer.pdf b/doc/FluidMixer.pdf new file mode 100644 index 00000000..bdc740f7 Binary files /dev/null and b/doc/FluidMixer.pdf differ diff --git a/doc/FluidMixer.ppt b/doc/FluidMixer.ppt new file mode 100644 index 00000000..9b8de511 Binary files /dev/null and b/doc/FluidMixer.ppt differ