In the generation of element geometries, for what value of je, the element geometries lie within the limits of acceptable distortion?

In the generation of element geometries, for what value of je, the element geometries lie within the limits of acceptable distortion? Correct Answer je>0

If je is zero, then a nonzero area element in the real element is mapped into zero areas in the master element, which is unacceptable. Also, if je<0, a right-handed coordinate system is mapped into a left-handed coordinate system. In order to keep the element geometries within acceptable distortion, the je must be greater than zero, and excessive distortion is avoided.

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