NDLI: Ssme structural dynamic model development, phase 2

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Ssme structural dynamic model development, phase 2

Content Provider	NASA Technical Reports Server (NTRS)
Author	Wilson, V. L. Foley, M. J.
Copyright Year	1985
Description	A set of test correlated mathematical models of the SSME High Pressure Oxygen Turbopump (HPOTP) housing and rotor assembly was produced. New analysis methods within the EISI/EAL and SPAR systems were investigated and runstreams for future use were developed. The LOX pump models have undergone extensive modification since the first phase of this effort was completed. The rotor assembly from the original model was abandoned and a new, more detailed model constructed. A description of the new rotor math model is presented. Also, the pump housing model was continually modified as additional test data have become available. This model is documented along with measured test results. Many of the more advanced features of the EAL/SPAR finite element analysis system were exercised. These included the cyclic symmetry option, the macro-element procedures, and the fluid analysis capability. In addition, a new tool was developed that allows an automated analysis of a disjoint structure in terms of its component modes. A complete description of the implementation of the Craig-Bampton method is given along with two worked examples.
File Size	14519994
Page Count	234
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860011025
Archival Resource Key	ark:/13960/t6p032793
Language	English
Publisher Date	1985-11-01
Access Restriction	Open
Subject Keyword	Spacecraft Propulsion And Power Manifolds Dynamic Structural Analysis Finite Element Method Turbine Pumps Rotors Liquid Oxygen Space Shuttle Main Engine Mathematical Models Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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