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1. |
If the finite element model shown below represents heat conduction in axisymmetric or plane geometries then which option is not true?\(-\frac{\partial}{\partial x}(a_{11}\frac{\partial u}{\partial x}+a_{12}\frac{\partial u}{\partial y})-\frac{\partial}{\partial y}(a_{21}\frac{\partial u}{\partial x}+a_{22}\frac{\partial u}{\partial y})\) +a00u-f=0 |
A. | u is temperature |
B. | a11, a22 are conductivities in x, y directions |
C. | f is internal heat generation |
D. | a00=1 |
Answer» E. | |