docs: add m_particle_bed module brief, category, and num_particle_beds param description

Author: sbryngelson

docs/documentation/case.md

@@ -312,6 +312,7 @@ This is enabled by adding ``'elliptic_smoothing': "T",`` and ``'elliptic_smoothi
 | Parameter            | Type    | Description |
 | ---:                 | :----:  | :---                |
 | `num_ibs`            | Integer | Number of immersed boundary patches |
+| `num_particle_beds`  | Integer | Number of particle bed specifications to generate immersed boundary patches from |
 | `ib_neighborhood_radius` | Integer | Parameter that controls the neighborhood size for IB detection. |
 | `geometry`           | Integer | Geometry configuration of the patch.|
 | `x[y,z]_centroid`    | Real    | Centroid of the applied geometry in the [x,y,z]-direction. |

docs/module_categories.json

@@ -38,6 +38,7 @@
             "m_compute_cbc",
             "m_boundary_common",
             "m_ibm",
+            "m_particle_bed",
             "m_igr",
             "m_ib_patches",
             "m_compute_levelset"

src/simulation/m_particle_bed.fpp

@@ -3,6 +3,8 @@
 !! @brief Generates particle beds: converts particle_bed specifications into
 !!        individual sphere/circle patch_ib entries before MPI broadcast.
 
+!> @brief Generates particle beds by converting particle_bed patch specifications into individual immersed boundary patches before
+!! MPI broadcast.
 module m_particle_bed
 
     use m_global_parameters

toolchain/mfc/params/descriptions.py

@@ -133,6 +133,7 @@
     # Immersed boundaries
     "ib": "Enable immersed boundary method",
     "num_ibs": "Number of immersed boundary patches",
+    "num_particle_beds": "Number of particle bed specifications to generate immersed boundary patches from",
     "ib_neighborhood_radius": "Neighborhood radius in ranks for IB awareness",
     # Acoustic sources
     "acoustic_source": "Enable acoustic source terms",