Readme update

Author: iBatistic

README.md

@@ -1,9 +1,9 @@
-# ![-](HoPyFOAMLogoName.png)  
+# ![-](HoPyFOAMLogoName.png)
 ### FOAM like Python code for High-order Finite Volume Method
 
-__HoPyFOAM__ is an OpenFOAM-like Python package written for a high-order finite volume method.  
-The code is intended to solve solid mechanics problems on 2D and 3D unstructured meshes.  
-It is based on [numpy](https://numpy.org/) and [petsc4py](https://petsc.org/release/petsc4py/) packages while the coding style and code structure 
+__HoPyFOAM__ is an OpenFOAM-like Python package written for a high-order finite volume method.
+The code is intended to solve solid mechanics problems on 2D unstructured meshes.
+It is based on [numpy](https://numpy.org/) and [petsc4py](https://petsc.org/release/petsc4py/) packages while the coding style and code structure
 is similar to one from the [OpenFOAM](https://www.openfoam.com/) library.
 
 ### Authors and Contributors
@@ -13,7 +13,7 @@ is similar to one from the [OpenFOAM](https://www.openfoam.com/) library.
 ### Installation
 
 1. Clone the directory with `git clone git@github.com:iBatistic/HoPyFoam.git`
-2. Required python are listed in `requirements.txt` and can be installed easily with `venv`:  
+2. Required python are listed in `requirements.txt` and can be installed easily with `venv`:
     ```
     virtualenv venv-HoPyFoam
     source venv-HoPyFoam/bin/activate
@@ -27,47 +27,51 @@ is similar to one from the [OpenFOAM](https://www.openfoam.com/) library.
     openfoam2312
     source venv-HoPyFoam/bin/activate
     ```
-    All tutorial cases have a corresponding `./Allrun` script to run them.   
+    All tutorial cases have a corresponding `./Allrun` script to run them.
 
 ### License
 
-This toolkit is released under the GNU General Public License (version 3). 
+This toolkit is released under the GNU General Public License (version 3).
 More details can be found in the [LICENSE](./LICENSE.txt) file.
 
 ### Disclaimer
-This offering is not approved or endorsed by OpenCFD Limited, 
-producer and distributor of the OpenFOAM software via [www.openfoam.com](https://www.openfoam.com/), 
+This offering is not approved or endorsed by OpenCFD Limited,
+producer and distributor of the OpenFOAM software via [www.openfoam.com](https://www.openfoam.com/),
 and owner of the OPENFOAM® and OpenCFD® trade marks.
 
 ### Tutorials
 
 - __`laplacianFoam1D`__
 
-    - __`heatConduction.py`__   
+    - __`heatConduction.py`__
         Python script for 1D heat conduction with linear temperature profile.
 
-    - __`heatConductionMMS.py`__  
+    - __`heatConductionMMS.py`__
         Python script for 1D heat conduction with variable source term obtained using MMS.
 
 - __`laplacianFoam`__
 
-    - __`squareBlock2D `__   
-        Laplace equation solved on 2D square domain ($1 x 1$ m), left and right patches have values of  $0$ and $1$, top and bottom patches are zero gradient.
+    - __`squareBlock`__
+        Laplace equation solved on 2D square domain ($1 x 1$ m), left and right patches have fixed values, top and bottom patches are zero gradient.
+
+    - __`squareBlockSource `__
+        Laplace equation solved on 2D square domain ($1 x 1$ m), left and right patches have fixed values, top and bottom patches are zero gradient and source term is added.
+
 
  - __`elasticSolidFoam`__
 
-    - __`cantilever2D`__  
+    - __`cantilever2D`__
         Rectangular beam $50$ x $2$ m with a Young’s modulus of $30000$ Pa and a Poisson’s ration of $0.3$. The beam is fixed on the left boundary,
         and a uniform distributed traction of $(0,-2,0)$ Pa is applied to the right boundary; the top and bottom boundaries are traction-free.
         Example is taken from: _Demirdžić, I. "A fourth-order finite volume method for structural analysis." Applied Mathematical Modelling, 2016._
-        
-    - __`squareBlock2D`__   
+
+    - __`squareBlock2D`__
         2D square domain ($1$ x $1$ m), left patch fixed, top and bottom are traction-free. The right patch have prescribed traction in $x$ direction. Poisson's value is $0$ resulting in linear distribution of displacement field.
-    
-    - __`squareBlock2DMMS`__  
-        2D square domain ($1$ x $1$ m), all patches have zero displacement. Body force calculated according to expected solution.  Example is taken from: 
+
+    - __`squareBlock2DMMS`__
+        2D square domain ($1$ x $1$ m), all patches have zero displacement. Body force calculated according to expected solution.  Example is taken from:
         _Aycock, Kenneth I., Nuno Rebelo, and Brent A. Craven. "Method of manufactured solutions code verification of elastostatic solid mechanics problems in a commercial finite element solver."  Computers & Structures, 2020._
-    
-        
+
+
 ### Contact, support, and contribution information
 To contact the authors about __HoPyFOAM__, please use the issue tracker of the GitHub project. Bug reports and contributions to new features are welcome.