I see no bigger need to change... A small voice tells me that the name should be more specific but i don't think how we could be more specific without misrepresenting ourselves.
Mistaking the site mostly only really happens for 2 classes of people:
People doing general programming and are under the illusion that anything even remotely sounding like graphics is on topic.
People that are operating a 3D graphic application. Mainly because there is no place on the stack exchange network where they would be home. These people leak all over the place, mostly in graphic design, stack overflow and some of them find a home in engineering *.
Changing the name to "Computer Graphics & Programming" will not eliminate group one. And group two is just a aimless bunch which pop up everywhere because we pretty much kick them out of every stack without question.
* We could consider as a act of generosity include crowd two in our site. Not that i particularly want to answer a buch of 101 questions but, since they have no place to go.