From 3170fc4b5c915669cf209a521e551115a9bd0809 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Wed, 20 Oct 2021 11:50:20 +0200
Subject: Expand knowledge base

---
 content/know/concept/euler-equations/index.pdc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'content/know/concept/euler-equations/index.pdc')

diff --git a/content/know/concept/euler-equations/index.pdc b/content/know/concept/euler-equations/index.pdc
index 0088d4f..b531260 100644
--- a/content/know/concept/euler-equations/index.pdc
+++ b/content/know/concept/euler-equations/index.pdc
@@ -57,7 +57,7 @@ Next, we want to find another expression for $\va{f^*}$.
 We know that the overall force $\va{F}$ on an arbitrary volume $V$ of the fluid
 is the sum of the gravity body force $\va{F}_g$,
 and the pressure contact force $\va{F}_p$ on the enclosing surface $S$.
-Using Gauss' theorem, we then find:
+Using the divergence theorem, we then find:
 
 $$\begin{aligned}
     \va{F}
@@ -91,7 +91,7 @@ $$\begin{aligned}
 The last ingredient is **incompressibility**:
 the same volume must simultaneously
 be flowing in and out of an arbitrary enclosure $S$.
-Then, by Gauss' theorem:
+Then, by the divergence theorem:
 
 $$\begin{aligned}
     0
@@ -131,7 +131,7 @@ but the size of their lumps does not change (incompressibility).
 To update the equations, we demand conservation of mass:
 the mass evolution of a volume $V$
 is equal to the mass flow through its boundary $S$.
-Applying Gauss' theorem again:
+Applying the divergence theorem again:
 
 $$\begin{aligned}
     0
-- 
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