From c0589e8ba715303ec550b7b7b5d3988bc35dceec Mon Sep 17 00:00:00 2001 From: Oliver Sander <sander@igpm.rwth-aachen.de> Date: Thu, 2 Feb 2006 11:51:18 +0000 Subject: [PATCH] kleine Korrekturen [[Imported from SVN: r9296]] --- doc/neohooke_der.tex | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/doc/neohooke_der.tex b/doc/neohooke_der.tex index a107990..556ff80 100644 --- a/doc/neohooke_der.tex +++ b/doc/neohooke_der.tex @@ -43,22 +43,28 @@ Thus, \begin{eqnarray*} \parder{J}{u_i^0} & = & - \parder{\phi_i^0}{X^0} ( 1 + \sum_k u^1_k \parder{\phi^1_k}{X^1}) + \parder{\phi_i^0}{X^0} \Big( 1 + \sum_k u^1_k \parder{\phi^1_k}{X^1} \Big) - - (\sum_k u^1_k \parder{\phi^1_k}{X^0}) \parder{\phi_i^0}{X^1} \\ + \Big(\sum_k u^1_k \parder{\phi^1_k}{X^0} \Big) \parder{\phi_i^0}{X^1} \\ + & = & + \parder{\phi_i^0}{X^0} \Big( 1 + \parder{u^1_k}{X^1} \Big) + - + \parder{u^1_k}{X^0} \parder{\phi_i^0}{X^1} \\ % \parder{J}{u_i^1} & = & - \parder{\phi_i^1}{X^1} ( 1 + \sum_k u^0_k \parder{\phi^0_k}{X^0}) + \parder{\phi_i^1}{X^1} \Big( 1 + \sum_k u^0_k \parder{\phi^0_k}{X^0} \Big) + - + \Big(\sum_k u^0_k \parder{\phi^0_k}{X^1} \Big) \parder{\phi_i^1}{X^0} \\ + & = & + \parder{\phi_i^1}{X^1} \Big( 1 + \parder{u^0_k}{X^0} \Big) - - (\sum_k u^0_k \parder{\phi^0_k}{X^1}) \parder{\phi_i^1}{X^0} + \parder{u^0_k}{X^1} \parder{\phi_i^1}{X^0} \end{eqnarray*} The four second derivatives are \begin{eqnarray*} \secparder{J}{u_i^0}{u_j^0} & = & 0 \\ - %\delta_{ij} \parder{\phi^0_i}{X^0} (1 + \sum_k u^1_k \parder{\phi^1_k}{X^1}) - %- \delta_{ij} \parder{\phi^0_i}{X^1} (\sum_k u^1_k \parder{\phi^1_k}{X^0})\\ % \secparder{J}{u_i^0}{u_j^1} & = & @@ -67,13 +73,11 @@ The four second derivatives are % \secparder{J}{u_i^1}{u_j^0} & = & - \parder{\phi^1_j}{X^0} \parder{\phi^0_i}{X^1} - - \parder{\phi_i^0}{X^0} \parder{\phi^1_j}{X^1} \\ + \parder{\phi^0_j}{X^0} \parder{\phi^1_i}{X^1} + - \parder{\phi_i^1}{X^0} \parder{\phi^0_j}{X^1} \\ % \secparder{J}{u_i^1}{u_j^1} & = & 0 - %\delta_{ij} \parder{\phi^1_i}{X^1} (1 + \sum_k u^0_k \parder{\phi^0_k}{X^0}) - %- \delta_{ij} \parder{\phi^1_i}{X^0} (\sum_k u^0_k \parder{\phi^0_k}{X^1}) \end{eqnarray*} \subsection{The Derivatives of $\tr E$} -- GitLab