All Questions
4
questions
6
votes
2
answers
259
views
Dynamical system defined with a non-abelian group
Soft question. I'm taking an introductory mini-course in dynamical systems, and the professor defined a continuous dynamical system in a topological space $M $ (or metric space, smooth manifold, or ...
1
vote
0
answers
80
views
Heat problem with an internal source of heat for which the maximum principle doesn't hold.
Heat problem with an internal source of heat for which the maximum principle doesn't hold. The problem is the following and honestly I don't know how to solve it...
$$u_{t}=u_{tt}+2(t+1)+x(1-x) , 0&...
-1
votes
1
answer
261
views
Constant Force Pendulum (undamped)
How does one sketch the derivation of the equation of motion for a planar pendulum of length l and mass m in constant gravity g, subject to a constant torque force F (directed along the tangent to the ...
2
votes
0
answers
286
views
Numerical solution of the stationary Navier-Stokes equations
Let $d\le 3$ and $\Omega\subseteq\mathbb R^d$ be a bounded domain. I'm considering an incompressible Newtonian fluid with uniform density $\rho_0$ and viscosity $\nu$. In this case, the stationary ...