From 18ef2d3a1f9745d454d933f5dc4b8fc7e32611c7 Mon Sep 17 00:00:00 2001 From: aGYZ <5722745+agyz@user.noreply.gitee.com> Date: Wed, 6 Aug 2025 08:17:05 +0800 Subject: [PATCH] vault backup: 2025-08-06 08:17:04 --- .../CASEstab_theory_manual/auto/CASEstab_theory_manual.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/书籍/力学书籍/CASEstab_theory_manual/auto/CASEstab_theory_manual.md b/书籍/力学书籍/CASEstab_theory_manual/auto/CASEstab_theory_manual.md index 1b479fc..e8d8f33 100644 --- a/书籍/力学书籍/CASEstab_theory_manual/auto/CASEstab_theory_manual.md +++ b/书籍/力学书籍/CASEstab_theory_manual/auto/CASEstab_theory_manual.md @@ -187,11 +187,11 @@ where $\mathsf{r}_{k}$ is the local position vector in the frame of substructure In the subsequent derivations, we will need the time derivatives: $$ -\mathbf{r}_{0,b} = \sum_{k=0}^{b-1} \mathbf{R}_{0,k} \mathbf{r}_k\tag{1.14a} +\dot{\mathbf{r}}_{0,b} = \sum_{k=0}^{b-1} \dot{\mathbf{R}}_{0,k} \mathbf{r}_k\tag{1.14a} $$ $$ -\dot{\mathbf{R}}_{0,b} = \sum_{k=0}^{b-1} \left( \prod_{l=0}^{k-1} \mathbf{O}_l \right) s_k \dot{\mathbf{B}}_k \mathbf{R}_k \mathbf{S}_k^T \left( \prod_{l=k+1}^{b-1} \mathbf{O}_l \right) s_b \mathbf{B}_b + \left( \prod_{l=0}^{b-1} \mathbf{O}_l \right) s_b \dot{\mathbf{B}}_b\tag{1.14b} +\dot{\mathbf{R}}_{0,b} = \sum_{k=0}^{b-1} \left( \prod_{l=0}^{k-1} \mathbf{O}_l \right) S_k \dot{\mathbf{B}}_k \mathbf{R}_k \mathbf{S}_k^T \left( \prod_{l=k+1}^{b-1} \mathbf{O}_l \right) S_b \mathbf{B}_b + \left( \prod_{l=0}^{b-1} \mathbf{O}_l \right) S_b \dot{\mathbf{B}}_b\tag{1.14b} $$ $$