diff --git a/02_Presentation/physics/lbm/finalBeam.png b/02_Presentation/physics/lbm/finalBeam.png
new file mode 100644
index 0000000000000000000000000000000000000000..3b023e0f5e4e333cc847964aec5410c0cf065a31
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diff --git a/02_Presentation/physics/lbm/lbm.md b/02_Presentation/physics/lbm/lbm.md
index 26a5e9dd6ad69094bc3c442b43ba773635b4e9c4..fa37cc8912d6067a5307bec4938f4c343bbc84c5 100644
--- a/02_Presentation/physics/lbm/lbm.md
+++ b/02_Presentation/physics/lbm/lbm.md
@@ -19,6 +19,10 @@
 <img src="./fluidSolid.gif" width="40%" />
 <img src="./fluidSolidF.gif" width="40%" /><br></br>
 
+
+<img src="./startBeam.png" height="300" />
+<img src="./finalBeam.png" height="300" />
+
 ## Steps
 
 1. Set boundary conditions in and geometry in MetaVoxels
diff --git a/02_Presentation/physics/lbm/startBeam.png b/02_Presentation/physics/lbm/startBeam.png
new file mode 100644
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diff --git a/README.md b/README.md
index dc72274a5f24fabc7139f7e790e8c540b138319f..723fe56edc6deb016d2cfacc41ef6cfd603843ac 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ I am now using this gitlab project for documentation only, the code lives [here]
 - [Validation and Convergence](02_Presentation/validationAndConvergence/validationAndConvergenceStudies.md)
 - [Non-linear Deformation and Thermal Expansion](02_Presentation/physics/physics.md)
 - [Hierarchy](02_Presentation/hierarchy/hierarchy.md)
+- [Fluid Solid Interaction](02_Presentation/physics/lbm/lbm.md)
 
 
 ---