From 8044008e45f87b95d7a8c9f0fce1847ceedfb09a Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sat, 3 Apr 2021 16:04:40 +0200
Subject: Expand knowledge base

---
 content/know/concept/cauchy-stress-tensor/index.pdc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'content/know/concept/cauchy-stress-tensor')

diff --git a/content/know/concept/cauchy-stress-tensor/index.pdc b/content/know/concept/cauchy-stress-tensor/index.pdc
index a26e2a8..080254d 100644
--- a/content/know/concept/cauchy-stress-tensor/index.pdc
+++ b/content/know/concept/cauchy-stress-tensor/index.pdc
@@ -108,7 +108,7 @@ $$\begin{aligned}
     }
 \end{aligned}$$
 
-The stress components $\sigma_{ij}$ can be written as a second-order tensor
+The stress components $\sigma_{ij}$ can be written as a second-rank tensor
 (i.e. a matrix that transforms in a certain way),
 called the **Cauchy stress tensor** $\hat{\sigma}$:
 
@@ -177,7 +177,6 @@ $$\begin{aligned}
     F_{s, i}
     = \oint_S \sum_j \sigma_{ij} \dd{S_j}
     = \int_V \sum_{j} \nabla_{\!j} \sigma_{ij} \dd{V}
-    = \int_V \nabla \cdot \vec{\sigma}_i \dd{V}
 \end{aligned}$$
 
 In any case, the total force $\va{F}$ can then be expressed
-- 
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