Update content - 2026-10-14

content/zettels/tuned_mass_damper.md

@@ -51,7 +51,7 @@ The optimal parameters of the tuned mass damper can be roughly estimated as foll
 -   This allows to compute the stiffness of the TMD:
     \\[ k\_2 = \nu^2 k\_1 \mu = k\_1 \frac{\mu}{(1 + \mu)^2} \\]
 -   Finally, the optimal damping of the TMD is:
-    \\[ \xi\_2 = \sqrt{\frac{3 \mu}{8 (1 + \mu)}} \Longrightarrow c\_2 = 2 \xi\_2 \sqrt{k\_2 m\_2} \\]
+    \\[ \zeta\_2 = \sqrt{\frac{3 \mu}{8 (1 + \mu)}} \Longrightarrow c\_2 = 2 \zeta\_2 \sqrt{k\_2 m\_2} \\]
 
 
 ## Simple TMD model {#simple-tmd-model}