Recent content by redredred

Can someone explain to me how fluids are simulated using particles? What equations to solve? How to update the particle positions? How awfully computer intensive is the algorithm? Can a simulation using a 100 * 100 * 10 grid run okay on the average computer? The more I read the more I realize...

I get it! So the gradient of the potential is always a conservative vector field...but then, what is the curl of the potential? Thanks!

My textbook keeps on using the word potential, and I keep on thinking about potential energy U = m*g*h, but this is a MATH textbook. What is this thing called 'potential'? Intuitively, what is a potential function? What should I immediately think of? Thanks!

Can someone help me intuitively understand why if a field has zero curl then it must be the gradient of a scalar potential? Thanks!