diff --git a/多体+耦合求解器/理论框架.canvas b/多体+耦合求解器/多体理论框架.canvas
similarity index 72%
rename from 多体+耦合求解器/理论框架.canvas
rename to 多体+耦合求解器/多体理论框架.canvas
index 5f0113a..fe18fce 100644
--- a/多体+耦合求解器/理论框架.canvas
+++ b/多体+耦合求解器/多体理论框架.canvas
@@ -13,8 +13,12 @@
 		{"id":"c20eeff7484d8a39","type":"text","text":"叠加法","x":-275,"y":560,"width":250,"height":60},
 		{"id":"a729b7930412f0b1","type":"text","text":"需要保持边界条件一致","x":60,"y":560,"width":250,"height":60},
 		{"id":"d405163cb9ecd804","type":"text","text":"叶片多段拆分，小段做模态叠加？","x":60,"y":670,"width":250,"height":60},
-		{"id":"4a08e20366911d68","x":290,"y":140,"width":250,"height":60,"type":"text","text":"v1pt_theory"},
-		{"id":"6e5a6a3cdd47bd52","x":290,"y":207,"width":250,"height":60,"type":"text","text":"v2pt_theory"}
+		{"id":"4a08e20366911d68","type":"text","text":"v1pt_theory","x":290,"y":140,"width":250,"height":60},
+		{"id":"6e5a6a3cdd47bd52","type":"text","text":"v2pt_theory","x":290,"y":207,"width":250,"height":60},
+		{"id":"4bfacdf3ddedbdec","x":-340,"y":960,"width":250,"height":60,"type":"text","text":"柔性体  / 连续体"},
+		{"id":"ae48e80ccd92bffa","x":60,"y":960,"width":250,"height":60,"type":"text","text":"连续体振动"},
+		{"id":"ed5a265dc4b72aaa","x":420,"y":960,"width":250,"height":60,"type":"text","text":"连续体动力学"},
+		{"id":"fc13b731983ac384","x":-340,"y":1181,"width":250,"height":60,"type":"text","text":"浮动坐标系"}
 	],
 	"edges":[
 		{"id":"647c1b45edc92b02","fromNode":"9461f7dd96103316","fromSide":"bottom","toNode":"0c8534c8ba68c9a6","toSide":"top"},
@@ -25,6 +29,8 @@
 		{"id":"034d145edd7cfce0","fromNode":"0c8534c8ba68c9a6","fromSide":"bottom","toNode":"6094c53caf966263","toSide":"top"},
 		{"id":"da18b7fa4859fa6f","fromNode":"5eaa425c204bf600","fromSide":"bottom","toNode":"6094c53caf966263","toSide":"top"},
 		{"id":"5d5f4fef281a656e","fromNode":"6094c53caf966263","fromSide":"right","toNode":"da500b2b12ed0901","toSide":"left"},
-		{"id":"5573fa12a3a02ee0","fromNode":"da500b2b12ed0901","fromSide":"right","toNode":"20ce8d75f0f35588","toSide":"left"}
+		{"id":"5573fa12a3a02ee0","fromNode":"da500b2b12ed0901","fromSide":"right","toNode":"20ce8d75f0f35588","toSide":"left"},
+		{"id":"c4828432b71fd99a","fromNode":"4bfacdf3ddedbdec","fromSide":"right","toNode":"ae48e80ccd92bffa","toSide":"left"},
+		{"id":"8ded09c7902a30b6","fromNode":"ae48e80ccd92bffa","fromSide":"right","toNode":"ed5a265dc4b72aaa","toSide":"left"}
 	]
 }
\ No newline at end of file
diff --git a/多体动力学学习/柔性体动力学-有限元法.excalidraw.md b/多体动力学学习/柔性体动力学-有限元法.excalidraw.md
new file mode 100644
index 0000000..63fb76c
--- /dev/null
+++ b/多体动力学学习/柔性体动力学-有限元法.excalidraw.md
@@ -0,0 +1,14 @@
+---
+
+excalidraw-plugin: parsed
+tags: [excalidraw]
+
+---
+==⚠  Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠== You can decompress Drawing data with the command palette: 'Decompress current Excalidraw file'. For more info check in plugin settings under 'Saving'
+
+
+## Drawing
+```compressed-json
+N4IgLgngDgpiBcIYA8DGBDANgSwCYCd0B3EAGhADcZ8BnbAewDsEAmcm+gV31TkQAswYKDXgB6MQHNsYfpwBGAOlT0AtmIBeNCtlQbs6RmPry6uA4wC0KDDgLFLUTJ2lH8MTDHQ0YNMWHRJMRZFAE5FFjIkT1UYRjAaBABtAF1ydCgoAGUAsD5QSXw8LOwNPkZOTExyHRgiACF0VABrQq5GXABhekx6fAQQAGIAM1GxkABfCaA==
+```
+%%
\ No newline at end of file