MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of these equations represent the semi-discretized equation of a 2-D steady-state diffusion problem? |
| A. | ( int_A( Gamma A frac{ partial phi}{ partial x})dA+ int_A( Gamma A frac{ partial phi}{ partial y}) dA+ int_{ Delta V} S ,dV=0 ) |
| B. | ( int_A frac{ partial}{ partial x}( Gamma A frac{ partial phi}{ partial x})dA+ int_A frac{ partial}{ partial y}( Gamma A frac{ partial phi}{ partial y})dA+ int_{ Delta V}S , dV=0 ) |
| C. | ( int_A( Gamma A frac{d phi}{dx})dA+ int_A( Gamma A frac{d phi}{dy})dA+ int_{ Delta V}S , dV=0 ) |
| D. | ( frac{ partial phi}{ partial t}+ int_A frac{ partial}{ partial x}( Gamma A frac{ partial phi}{ partial x}) dA+ int_A frac{ partial}{ partial y}( Gamma A frac{ partial phi}{ partial y})dA+ int_{ Delta V}S , dV=0 ) |
| Answer» B. ( int_A frac{ partial}{ partial x}( Gamma A frac{ partial phi}{ partial x})dA+ int_A frac{ partial}{ partial y}( Gamma A frac{ partial phi}{ partial y})dA+ int_{ Delta V}S , dV=0 ) | |