Ellipsoidal dome

An ellipsoidal dome is a dome (also see geodesic dome), which has a bottom cross-section which is a circle, but has a cupola whose curve is an ellipse.[1]

There are two types of ellipsoidal domes: prolate ellipsoidal domes and oblate ellipsoidal domes. A prolate ellipsoidal dome is derived by rotating an ellipse around the long axis of the ellipse; an oblate ellipsoidal dome is derived by rotating an ellipse around the short axis of the ellipse.[2]

Of small note, in reflecting telescopes the mirror is usually elliptical, so has the form of a "hollow" ellipsoidal dome.

The Jameh Mosque of Yazd has an ellipsoidal dome.[3]

See also

References

  1. ^ Krivoshapko, Sergey (November 2007). "Research on General and Axisymmetric Ellipsoidal Shells Used as Domes, Pressure Vessels, and Tanks". Retrieved 2020-12-15.
  2. ^ South, David (March 24, 2009). "Advanced Dome Calculator". monolithic.org. Retrieved 2020-12-15.
  3. ^ Khodadadi, Anahita. "Interior view of the ellipsoidal dome". ResearchGate. Retrieved 2020-12-15.