Design with Finite Elements. Lecture 6: FEM Calculation Methods
- What is a normal deflection of your boom tip
- I have very small eigenfrequencies what to do / My constraints do not work
- Forces in SDC & Warping
- Low eigenfrequencies 0.4 (not small!) how to increase
- How to stiffen boom
- What does an offset do?
- Non-linearities
- Stress stiffening and spin softening
- Metal non-linearities
- Calculation Methods (Static, Eigenfrequencies, Harmonic, Power spectral density, Buckling, Transient)
- Harmonic
- Global Buckling
- FEM results vs. real stresses
- Minimum requirements Final Report
- Report: necessary details
- Buckling – Structural Instability
- Euler Buckling
- Euler Buckling – with imperfections
- Euler Buckling – Geometric effect
- Buckling stress vs. Slenderness Ratio
- Johnson Equation for Buckling
- Solving Buckling Problems
- Buckling of stiffned plates – important parameters
- Slenderness influence on safety factor
