From 46c42b62ff6eddbc8532c52601dcaeab888a0daf Mon Sep 17 00:00:00 2001 From: Sia Ghelichkhan Date: Fri, 29 Apr 2022 09:31:39 +1000 Subject: [PATCH] Adjusting the text --- 07-GD-2D-cylindrical.ipynb | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/07-GD-2D-cylindrical.ipynb b/07-GD-2D-cylindrical.ipynb index acece24..32092e4 100644 --- a/07-GD-2D-cylindrical.ipynb +++ b/07-GD-2D-cylindrical.ipynb @@ -48,7 +48,7 @@ " + \\int_\\Omega \\left(\\nabla q\\right) \\cdot \\left(\\kappa \\nabla T\\right) \\ dx = 0 \\text{ for all } q\\in Q.$$\n", "\n", "\n", - "In the Cartesian examples considered below, zero-slip and free-slip boundary conditions for \\eqref{eq:weak_mom} and \\eqref{eq:weak_cont} are imposed through strong Dirichlet boundary conditions for velocity $\\vec{u}$. This is achieved by restricting the velocity function space $V$ to a subspace $V_0$\n", + "In the Cartesian examples we saw earlier are imposed through strong Dirichlet boundary conditions for velocity $\\vec{u}$. This is achieved by restricting the velocity function space $V$ to a subspace $V_0$\n", "of vector functions for which all components (zero-slip) or only the normal\n", "component (free-slip) are zero at the boundary. Since this restriction also\n", "applies to the test functions $\\vec{v}$, the weak form only needs to be\n", @@ -57,13 +57,11 @@ " -\\int_{\\partial\\Omega} \\vec{v}\\cdot \\left(\\mu \\left[\\nabla\\vec{u}\n", " + \\left(\\nabla\\vec{u}\\right)^T\\right]\\right)\\cdot \\vec{n} ds\n", "\\end{equation}\n", - "that was required to obtain the integrated by parts viscosity term in Equation\n", - "\\eqref{eq:weak_mom}, automatically vanishes for zero-slip boundary conditions as\n", + "that was required to obtain the integrated by parts viscosity term, automatically vanishes for zero-slip boundary conditions as\n", "$\\bf v =0$ at the domain boundary, $\\partial\\Omega$. In the case of a free-slip\n", "boundary condition for which the tangential components of $\\vec{v}$ are\n", - "non-zero, the boundary term does not vanish, but by omitting that term in\n", - "\\eqref{eq:weak_mom} we weakly impose a zero shear stress condition. The boundary\n", - "term obtained by integrating the pressure gradient term in \\eqref{eq:cmass} by parts,\n", + "non-zero, the boundary term does not vanish, but by omitting that term, we weakly impose a zero shear stress condition. The boundary\n", + "term obtained by integrating the pressure gradient term by parts,\n", "\\begin{equation}\n", " \\int_{\\partial\\Omega} \\vec{v}\\cdot\\vec{n} p ds ,\n", "\\end{equation}\n",