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      • HARVEST
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      Developing an efficient FEM structural simulation of a fan blade off test in a turbofan jet engine

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      Jason_Husband_PhD_thesis.pdf (38.12Mb)
      Date
      2007-10-29
      Author
      Husband, Jason Burkley
      Type
      Thesis
      Degree Level
      Doctoral
      Metadata
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      Abstract
      This work develops a methodology for full engine FEA simulation of the fan blade off containment test for a jet engine using LS-Dyna. The fan blade off containment test is a safety requirement involving the intentional release of a fan blade when the engine is running at full power. The released blade must not pierce or fracture the engine cases during the impact or rotating unbalance. The novel feature of the LS-Dyna simulation is the extensive full engine geometry as well as the widespread use of nonlinearities (mainly plasticity and friction) to absorb the large kinetic energies of the engine rotors. The methodology is simple to use, runs quickly and is being recognized by industry as a contender for widespread implementation. Future applications look promising enough that the methodology warrants further development and refinement.
      Degree
      Doctor of Philosophy (Ph.D.)
      Department
      Mechanical Engineering
      Program
      Mechanical Engineering
      Supervisor
      Szyszkowski, Walerian
      Committee
      Oguocha, Ikechukwuka N.; Lawrence, Charles; Hertz, P. Barry; Fotouhi, Reza; Boulfiza, Mohamed
      Copyright Date
      October 2007
      URI
      http://hdl.handle.net/10388/etd-10292007-111221
      Subject
      LS-Dyna
      finite element method
      jet engine fan blade containment
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      • Graduate Theses and Dissertations
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