Plot the isotherms (contours of constant temperature) for Examples 12.4 and 12.5.

Data from example 12.5

Data from example 12.4

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Similar to the previous example, we now investigate the localized thermal stresses around a traction- free elliptical hole (with semiaxes a and b) in a plane of infinite extent, as shown in Fig. 12.6. The thermal loading is again taken to be a uniform heat flow q in the vertical direction, and the hole is to be insulated from heat transfer. The plane stress solution to this problem again comes from the work of Florence and Goodier (1960), who solved the more general case of an ovaloid hole with heat flow at an arbitrary angle. This problem is solved by complex variable methods employing conformal transformation (see Section 10.7).