Forces on the Middle EC Module Connections Resulting From Assembly Sequence A

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The ANSYS superelement model representing the sequential assembly of the ec modules has been used to calculate the maximum forces experienced at any interface between middle modules during assembly. The assembly sequence used was devised by GTM and is referred to as Sequence A. Fig. 1 shows the assembled model and support. One-half symmetry is assumed. The superelement model supported the OCH modules at theta = 56.25 in such a way that the support was allowed to translate freely in the horizontal direction, and rotate freely about the longitudinal (beam) axis. This produces 'worst case' module connecting forces, and is ... continued below

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17 pages

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Wands, R. September 23, 1986.

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Description

The ANSYS superelement model representing the sequential assembly of the ec modules has been used to calculate the maximum forces experienced at any interface between middle modules during assembly. The assembly sequence used was devised by GTM and is referred to as Sequence A. Fig. 1 shows the assembled model and support. One-half symmetry is assumed. The superelement model supported the OCH modules at theta = 56.25 in such a way that the support was allowed to translate freely in the horizontal direction, and rotate freely about the longitudinal (beam) axis. This produces 'worst case' module connecting forces, and is justified given the importance of these connections. The middle modules were supported within the OCH arch only through theta = 56.25. Each middle module interface contained six connection points in the fmite element model through which the forces were transmitted between modules. In presenting the results here, the forces at the three connection locations at the inner radius of each interface were summed, and the largest value found. This was also done for the outer radius. In applying these results to the design of the actual connections, the forces presented here should be divided by the actual number of connection points used.

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17 pages

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  • Report No.: FERMILAB-D0-EN-060
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/1031872 | External Link
  • Office of Scientific & Technical Information Report Number: 1031872
  • Archival Resource Key: ark:/67531/metadc846964

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • September 23, 1986

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 30, 2016, 4:25 p.m.

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Wands, R. Forces on the Middle EC Module Connections Resulting From Assembly Sequence A, report, September 23, 1986; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc846964/: accessed January 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.