September 20, 2010 Technical note Open Access

G. Raffone

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  <dc:creator>G. Raffone</dc:creator>
  <dc:date>2010-09-20</dc:date>
  <dc:description>The demand of large area GEM detectors requires extreme working conditions of the layered foils from structural point of view; larger area need higher biaxial tensile loads to overcome large deflections and the related stresses may exceed the copper yield limit just around the holes; the present work shows that for a trapezoidal CMS GEM foil (W=1040 mm; L1=530 mm; L2=345 mm) the sag due its own weight is about f =28.6 μm (electrostatic loads not included) for a tensioning of S=1 N/mm; the related stresses are lower than the yield only in a biaxial load. Numerical results are from ANSYS Educational v.10 [1] and their level of accuracy is very good when compared to some theoretical and experimental results.
 </dc:description>
  <dc:identifier>https://www.openaccessrepository.it/record/76867</dc:identifier>
  <dc:identifier>10.15161/oar.it/76867</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>doi:10.15161/oar.it/76866</dc:relation>
  <dc:relation>url:https://www.openaccessrepository.it/communities/infn</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/</dc:rights>
  <dc:subject>transversely isotropic multilayer, homogenization</dc:subject>
  <dc:title>CMS Trapezoidal GEM Foils Structural Analysis</dc:title>
  <dc:type>info:eu-repo/semantics/technicalDocumentation</dc:type>
  <dc:type>publication-technicalnote</dc:type>
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