A simply supported Aluminium column of length 1 m and rectangular cross-
section w × t with t ≤ w, is subjected to axial compressive loading.
Young's modulus is 70 GPa. Yield stress under uniaxial compression is 120 MPa.
The value of t at which the failure load for yielding and buckling coincide is
_______mm.
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2022 Q.58)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, 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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