Finite Element Theory - UC Boulder

Finite Element Theory - MIT

Prepreg Technology - Hexcel

Honeycomb Attributes and Properties - Hexcel

Sandwich Panel Fabrication Technology - Hexcel

Composite Repair - Hexcel

Sandwich Panel Inserts - Shur-Lok

Unit Conversion tool for Windows

Maddux Stress Analysis Manual

Nastran Documentation

Strain Gage Stuff Anyone?

14 CFR Part 25 Subpart C - Just the Rules

General Weight and Balance Manual - FAA

Basic Mechanics of Laminates - NASA

Roark's Formulas for Stress and Strain - Universidad Autonoma Metropolitana

Area Moment of Inertia Calculator - Civilengineer

Section Properties - Engineersedge

Nastran Error Messages - Simens PLM

Nastran Troubleshooting - MSC

Students to Students Website - Aerostudents

Aircraft Structures - Megson

Failure Theories - failurecriteria.com

FAA Approved Nomex Panel Data Sheets - Teklam

FAA Approved Aluminum Panel Data Sheets - Teklam

Connection Design - Purdue

FEA Checklist - Shipstructure.org

Wish I had these links before- Subreddit /r/AskEngineers

Stress Analysis Concepts - Rice University pdf

Advisory Circulars - DOT Library

General Information - Aerospace Engineering

Static Testing Tools - 3DWhiffletree

Hi-Loks - Ton of good data sheets and allowables

Courses Available Now...

Step1

Bronze Level - Finite Element Analysis

Step 2 - Includes Step 1

Silver Level - Aircraft Structures Modeling

Step 3 - Includes Steps 1 & 2

Gold Level - Interiors Stress Analysis Course