Mechanics of Materials - Part 75 (Compound stress)/MOM/SOM/18ME32/18CV32

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In many situations structures will be subjected to loads in more than one direction. When a body is restricted to stresses in two directions it said to be in a plane state of stress. In such cases, it is very important to know the maximum normal and shear stress acting on the material and also it is significant to know on which plane these stresses acts. Knowledge of these is required in the design of structures.
In this class I have derived expressions to find the normal and shear stress on a given plane when it is subjected to two dimensional state of stress (Plane state of stress).
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Hello sir, I am doing cfd analysis of plate fin heat sink in ansys fluent, I have taken a plate fin heat sink and made an air domain around it and there is one inlet and one outlet. constant flux is applied at base. But in simulation heat variation is not coming at fin plates. Entire heat sink is coming at same temperature. What should I do to solve this problem. Please help me. I have been trying to solve it since last 20 days but unable to do it.
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