September 20, 2010 Technical note Open Access

G. Raffone

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  "@id": "https://doi.org/10.15161/oar.it/76867", 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@id": "https://orcid.org/0000-0002-7817-6175", 
      "@type": "Person", 
      "affiliation": "INFN-LNF", 
      "name": "G. Raffone"
    }
  ], 
  "datePublished": "2010-09-20", 
  "description": "<p>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 &mu;m (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.<br>\n&nbsp;</p>", 
  "headline": "CMS Trapezoidal GEM Foils Structural Analysis", 
  "identifier": "https://doi.org/10.15161/oar.it/76867", 
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  "inLanguage": {
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    "name": "English"
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  "keywords": [
    "transversely isotropic multilayer, homogenization"
  ], 
  "license": "https://creativecommons.org/licenses/by/4.0/", 
  "name": "CMS Trapezoidal GEM Foils Structural Analysis", 
  "url": "https://www.openaccessrepository.it/record/76867"
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