https://github.com/ElmerCSC/homebrew-elmerfem
$ brew tap ElmerCSC/elmerfem $ brew install elmer
追記:2017/5/29
Unable to install elmer on Mac by using brew #1
https://github.com/ElmerCSC/homebrew-elmerfem/issues/1
$ brew install elmer --with-elmergui --HEAD --with-elmerice