modify wiki

wiki/sources/_index.md

@@ -1,7 +1,7 @@
 ---
 type: meta
 title: "Sources Index"
-updated: 2026-05-28
+updated: 2026-05-29
 tags:
   - meta
   - index
@@ -18,6 +18,10 @@ related:
   - "[[Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method]]"
   - "[[On-the-Finite-Element-Analysis-of-Shell-Structures]]"
   - "[[Solid Element Notes]]"
+  - "[[Abaqus Theory Manual]]"
+  - "[[Abaqus-Analysis-User-s-Guide-Volume-I|Abaqus Analysis User's Guide Volume I]]"
+  - "[[Abaqus-Analysis-User-s-Guide-Volume-II|Abaqus Analysis User's Guide Volume II]]"
+  - "[[A-First-Course-in-the-Finite-Element-Method|A First Course in the Finite Element Method]]"
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 # Sources Index
@@ -31,6 +35,15 @@ All source pages: summaries of ingested documents, transcripts, articles, and da
 ## Books
 
 - [[Finite Element Procedures]] - finite element analysis textbook by [[Klaus-Jurgen Bathe]]
+- [[A-First-Course-in-the-Finite-Element-Method|A First Course in the Finite Element Method]] - introductory finite element method textbook by [[Daryl L. Logan]]
+
+---
+
+## Reference Manuals
+
+- [[Abaqus Theory Manual]] - Abaqus finite element theory reference for analysis procedures, elements, constitutive models, contact, constraints, and coupled fields
+- [[Abaqus-Analysis-User-s-Guide-Volume-I|Abaqus Analysis User's Guide Volume I]] - Abaqus user guide for input syntax, spatial modeling, execution, resource settings, and output files
+- [[Abaqus-Analysis-User-s-Guide-Volume-II|Abaqus Analysis User's Guide Volume II]] - Abaqus user guide for analysis procedures, nonlinear controls, continuation, model reduction, adaptivity, multiphysics, optimization, and extensions
 
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