GATE AE 2011 • Q35 NAT • 1 Mark

Aerospace Structures

Structural Mechanics

Subtopic: Thin-Walled Shells & Buckling

Question Statement:

(C) 231.87 s and 200 kN (D) 280.87 s and 400 kN A body undergoes deformation under plane strain conditions when subjected to the following stresses (in MPa): 0 , 0 , 75 , 450 , 450 yzxzxyyyxx  . What are the remaining components of stresses (in MPa) and strains? Assume the material to be isotropic and linear-elastic with Young's modulus E = 200 GPa and Poisson's ratio = 1/3. (A) 0 , 0 , 002 . 0 , 00225 . 0 , 00225 . 0 , 0  yzxzxyyyxxzz  (B) 0 , 0 , 001 . 0 , 001 . 0 , 001 . 0 , 300 yzxzxyyyxxzz  (C) 0 , 0 , 001 . 0 , 00225 . 0 , 00225 . 0 , 300 yzxzxyyyxxzz 

Official Answer Key:

0.0

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2011 Q.35)** **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**.

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