Required information According to potential theory for the flow approaching a rounded two-dimensional body, as in the figure below, the velocity approaching the stagnation point is given by u= U(1– atix), where a is the nose radius and U is the velocity far upstream. Stagnation point (u = 0) a Evaluate the maximum viscous normal stress if the fluid is SAE 30 oil at 20°C, with U = 17 m/s and a = 11 cm. For SAE 30 oil, p = 917 kg/m3 and u = 0.29 kg/(m-s). Pa. The maximum viscous normal stress is

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Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.