The boundary conditions for a rod with circular cross-section, under torsional vibration,are changed
from fixed-free to fixed-fixed. The fundamental natural frequency of the fixed-fixed rod is k times
that of fixed-free rod. The value of k is
(A) 1.5 (B) π (C) 2.0 (D) 0.5
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2014 Q.15)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
Practice This in Real CBT Exam Interface
Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.