{"id":10415,"date":"2023-11-01T14:04:25","date_gmt":"2023-11-01T14:04:25","guid":{"rendered":"https:\/\/support.buildsoft.eu\/?post_type=ht_kb&p=10415"},"modified":"2024-04-15T07:28:26","modified_gmt":"2024-04-15T07:28:26","slug":"thin-walled-tube-section-eigen-frequencies","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/fr\/knowledge-base\/thin-walled-tube-section-eigen-frequencies\/","title":{"rendered":"DLX 06: Thin walled tube section \u2013 eigenfrequencies"},"content":{"rendered":"

Description<\/h2>\n

\"\"<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Material<\/th>\n<\/td>\nModulus of elasticity<\/td>\n\"E=210 000 N/mm^2\"<\/td>\n<\/tr>\n
<\/td>\nDensity<\/td>\n\"\rho=7800 kg/m^3\"<\/td>\n<\/tr>\n
<\/td>\nPoisson\u2019s ratio<\/td>\n\"\nu= 0.3\"<\/td>\n<\/tr>\n
Geometry<\/th>\nCross-section<\/td>\nTube<\/td>\n\"d_e = 20mm\" and \"t = 2mm\"<\/td>\n<\/tr>\n
Boundary conditions<\/td>\nIn point A & B<\/td>\nSimple support<\/td>\n<\/tr>\n
<\/td>\nIn point C & D<\/td>\nFixed support<\/td>\n<\/tr>\n
Mesh<\/th>\n<\/td>\nNo. of divisions<\/td>\n8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Results<\/h2>\n
\n\n\n\n\n\n\n\n
Eigen mode<\/th>\nShape<\/th>\nIndependent reference<\/th>\nDiamonds<\/th>\nDifference<\/th>\n<\/tr>\n
1<\/td>\n\"\"<\/td>\n17,9Hz<\/td>\n17,7Hz<\/td>\n-1,12%<\/td>\n<\/tr>\n
2<\/td>\n\"\"<\/td>\n24,8Hz<\/td>\n24,4Hz<\/td>\n-1,61%<\/td>\n<\/tr>\n
3<\/td>\n\"\"<\/td>\n25,3Hz<\/td>\n25,0Hz<\/td>\n-1,19%<\/td>\n<\/tr>\n
4<\/td>\n\"\"<\/td>\n27,0Hz<\/td>\n26,7Hz<\/td>\n-1,11%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

References<\/h2>\n
\n
    \n
  • M\u00e9caniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLL 14: modes de vibration d’un coude de tuyauterie mince.<\/i><\/li>\n<\/ul>\n
      \n
    • Tested in Diamonds 2026.<\/li>\n<\/ul>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Description Results References M\u00e9caniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLL 14: modes de vibration d’un coude de tuyauterie mince.<\/p>\n","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[1206],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/10415"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/comments?post=10415"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/10415\/revisions"}],"predecessor-version":[{"id":12801,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb\/10415\/revisions\/12801"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/media?parent=10415"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-category?post=10415"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/ht-kb-tag?post=10415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}