From c62eb5d69d2daae675cf46307ac167d495fe8193 Mon Sep 17 00:00:00 2001 From: Laura Prieto Saavedra Date: Thu, 21 Nov 2024 08:38:27 -0500 Subject: [PATCH] Minor fixes --- .../gas-solid-spouted-cylinder-bed.rst | 7 +++--- .../gas-solid-spouted-cylinder-bed.prm | 25 +++++++++++-------- 2 files changed, 17 insertions(+), 15 deletions(-) diff --git a/doc/source/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.rst b/doc/source/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.rst index 6dc661b55c..32f2c7dd29 100644 --- a/doc/source/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.rst +++ b/doc/source/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.rst @@ -44,7 +44,7 @@ In this example, we are simulating a cylinder shaped spouted bed. We introduce t :name: geometry :height: 15cm -The geometry of the bed was created using `Pointiwise <../../../tools/pointwise/pointowise.html>`_. An overview of the mesh is: +The geometry of the bed was created using `Pointwise <../../../tools/pointwise/pointwise.html>`_. An overview of the mesh is: .. image:: images/mesh.png :alt: The geometry and boundary conditions @@ -52,7 +52,7 @@ The geometry of the bed was created using `Pointiwise <../../../tools/pointwise/ :name: mesh_ver :height: 10cm -In unresolved CFD-DEM, the averaging volume used to calculate the void fraction needs to be large enough to contain several particles (>10). Since the averaging volume used in the quadrature-centred method is generally related to the cell volume, this introduces a limitation on the cell size. In general, the averaging volume, which in this case is controlled by the cell size, should be approximately three time larger than the diameter of the particles in order to get stable calculation. +In unresolved CFD-DEM, the averaging volume used to calculate the void fraction needs to be large enough to contain several particles (>10). Since the averaging volume used in the quadrature-centred method is generally related to the cell volume, this introduces a limitation on the cell size. In general, the averaging volume, which in this case is controlled by the cell size, should be approximately three times larger than the diameter of the particles in order to get stable calculation. .. code-block:: text @@ -189,8 +189,7 @@ We set the inlet velocity to 2.5 m/s, and the background velocity to 0.5 m/s on subsection boundary conditions set time dependent = false set number = 5 - - + subsection bc 0 #outlet set id = 3 set type = outlet diff --git a/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.prm b/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.prm index 59b32f7b2a..bf411ad45d 100644 --- a/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.prm +++ b/examples/unresolved-cfd-dem/gas-solid-spouted-cylinder-bed/gas-solid-spouted-cylinder-bed.prm @@ -11,12 +11,12 @@ set dimension = 3 #--------------------------------------------------- subsection simulation control - set method = bdf2 - set number mesh adapt = 0 - set output frequency = 50 - set time end = 5 - set time step = 0.001 - set output path = output/ + set method = bdf2 + set number mesh adapt = 0 + set output frequency = 50 + set time end = 5 + set time step = 0.001 + set output path = output/ end #--------------------------------------------------- @@ -39,6 +39,10 @@ subsection FEM set pressure order = 1 end +#--------------------------------------------------- +# Timer +#--------------------------------------------------- + subsection timer set type = iteration end @@ -118,7 +122,6 @@ end # Boundary Conditions #--------------------------------------------------- - subsection boundary conditions set time dependent = false set number = 5 @@ -144,16 +147,16 @@ subsection boundary conditions end subsection bc 2 #wall - set id = 6 + set id = 6 set type = slip end subsection bc 3 #channel_wall - set id = 5 + set id = 5 set type = slip end - - subsection bc 4 #bed_wall_bottom + + subsection bc 4 #bed_wall_bottom set id = 4 set type = function subsection u