Deflection engineering

The provided text is a comprehensive overview of beam deflection calculations, including formulas and considerations for various load types, boundary conditions, and units. Here's a structured summary:

      1. 1. **Types of Beams and Loads**
      1. 2. **Combined Loads**
      1. 3. **Change in Length**
      1. 4. **Units**
      1. 5. **Structural Deflection**
      1. 6. **Deflected Shape Representation**
      1. 7. **Related Concepts**
      1. 8. **References and External Links**

This summary encapsulates key formulas, principles, and considerations for beam deflection analysis across different scenarios and unit systems.