Recent content by the.drizzle

Yup, that and expanding F as a Taylor series about p_n seems to do it. Perfect, thanks!

Hello! I'll keep this brief for the moment as I think this may be a bit on the involved side, and I don't want to bore people if I can avoid it. Basically, I found the article I have attached as jones1971.pdf and it relates directly to some work I am trying to do at the moment, and it would be...

Your ice skater example is actually something slightly different, and not a fair comparison I'm afraid, as skates work by locally compressing the ice to induce a (local) phase change at the metal-ice interface, inserting a liquid lubricating layer in between the two. Cornering on ice skates...

Because the cyclist's wheels are rotating about an axis perpendicular (or at least non-parallel) to the axis that defines the corner the cyclist is going around.; you're missing the fact that there is rotational motion present. If the cyclist were to somehow manage this corner with stationary...

Brilliant, thank you! :-)

Thanks, but I suppose I should clarify... The problem I'm having is not one of indices vs. operator, what I'm failing to see is how \nabla\cdot\left(\eta\left(\nabla v + \nabla^T v \right)\right) is equivalent (in some sense?) to \eta\Delta v That is, I'm assuming that they mean that...

Hello, I'm trying out the escript python FEM software package which is so far rather impressive, if for no other reason than the developers have included a Stokes Flow solver. The problem I'm having, however, is that they have formulated the problem in a manner I have not encountered before...

You'll need to provide much more information than that in order for anyone to be able to help you, I'm afraid. What software package are you using? Can you provide some details about the mesh / BC's? After you one hour of simulation (which, I would add, isn't much time at all in terms of CFD...

OK, got it sorted out and churning away nicely.

Hiya! Long time registrant, have not used these forums is years though... Anyhow, the problem I have is that I need to collect data from a very large number of images that are essentially horizontal lines on a page. I've attached a sample here, which has been processed to find the edges of...