- #1

mcfc

- 17

- 0

[itex](a + 2b)\nabla(\nabla \cdot \vec u) - b \nabla \times \nabla \times \vec u - (3a + 2b)c\nabla T(r)= \vec 0[/itex]

[itex]\hat u = U_r \hat r + u_\theta \hat \theta +u_z \hat z[/itex]

a,b,c constants

how would I solve this for u?