Shape Determination for Deformed Cavities | Zendy

LieQuan Lee | Zendy; Volkan Akçelik | Zendy; Sheng Chen | Zendy; Lixin Ge | Zendy; Zenghai Li | Zendy; Cho Ng | Zendy; Liling Xiao | Zendy; Kwok Ko | Zendy; Omar Ghattas | Zendy

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Shape Determination for Deformed Cavities

Author(s) -

LieQuan Lee,

Volkan Akçelik,

Sheng Chen,

Lixin Ge,

Zenghai Li,

Cho Ng,

Liling Xiao,

Kwok Ko,

Omar Ghattas

Publication year - 2006

Language(s) - English

Resource type - Reports

DOI - 10.2172/892969

Subject(s) - deformation (meteorology) , space (punctuation) , shape optimization , process (computing) , mode (computer interface) , computer science , algorithm , mechanics , mathematics , mathematical optimization , mathematical analysis , physics , geometry , materials science , structural engineering , finite element method , engineering , composite material , operating system

A realistic superconducting RF cavity has its shape deformed comparing to its designed shape due to the loose tolerance in the fabrication process and the frequency tuning for its accelerating mode. A PDE-constrained optimization problem is proposed to determine the deformation of the cavity. A reduce space method is used to solve the PDE-constrained optimization problem where design sensitivities were computed using a continuous adjoint approach. A proof-of-concept example is given in which the deformation parameters of a single cavity-cell with two different types of deformation were computed

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