{"id":11565,"date":"2023-12-07T16:20:53","date_gmt":"2023-12-07T16:20:53","guid":{"rendered":"https:\/\/support.buildsoft.eu\/?post_type=ht_kb&p=11565"},"modified":"2026-07-16T14:51:53","modified_gmt":"2026-07-16T14:51:53","slug":"ssl-12-stress-concentration-in-perforated-plate","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/es\/knowledge-base\/ssl-12-stress-concentration-in-perforated-plate\/","title":{"rendered":"SSL 12: Stress concentration in perforated plate"},"content":{"rendered":"

Description<\/h2>\n

\"\"<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Material<\/th>\n<\/td>\n<\/td>\nDoesn’t matter<\/td>\n<\/tr>\n
Geometry<\/th>\nCross-section<\/td>\nThickness<\/td>\n\"e=200 mm\"<\/td>\n<\/tr>\n
Loads<\/th>\n<\/td>\nCase 1:<\/td>\n\"q=3 kN/m\" pulling on all 4 sides<\/td>\n<\/tr>\n
<\/td>\nCase 2:<\/td>\n\"q=3 kN/m\" pulling on two opposite sides<\/td>\n<\/tr>\n
<\/td>\nCase 3:<\/td>\n\"q=3 kN/m\" pulling on two opposite sides and pushing on two opposite sides<\/td>\n<\/tr>\n
Mesh<\/th>\n<\/td>\nMaximum element size:<\/td>\n\"0.10m\"<\/td>\n<\/tr>\n
<\/td>\nMinimum element size:<\/td>\n\"0.00m\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Independent reference results<\/h2>\n
<\/span>Open handcalculations<\/div>
\n

  <\/span>   <\/span>\"\[n=\frac{q}{t}=\frac{3kN/m}{0.2m}=15kN/m^2\]\"<\/p>\n

  <\/span>   <\/span>\"\[\sigma_{max.case1}=2\cdot n=2\cdot 15kN/m^2=0.03 N/mm^2\]\"<\/p>\n

  <\/span>   <\/span>\"\[\sigma_{max.case2}=3\cdot n=3\cdot 15kN/m^2=0.045 N/mm^2\]\"<\/p>\n

  <\/span>   <\/span>\"\[\sigma_{max.case3}=4\cdot n=4\cdot 15kN/m^2=0.06 N/mm^2\]\"<\/p>\n<\/div><\/div><\/div>\n

Diamonds results and comparison<\/h2>\n

\"\"<\/p>\n

Maxmimum stress at opening for case 3 in Diamonds<\/strong><\/p>\n

\n\n\n\n\n\n\n
Which result<\/th>\nIndependent reference<\/th>\nDiamonds<\/th>\nDifference<\/th>\n<\/tr>\n
Case 1: maximum stress at opening<\/td>\n0.0300 N\/mm\u00b2<\/td>\n0.0294 N\/mm\u00b2<\/td>\n-2.0%<\/td>\n<\/tr>\n
Case 2: maximum stress at opening<\/td>\n0.0450 N\/mm\u00b2<\/td>\n0.0454 N\/mm\u00b2<\/td>\n0.89%<\/td>\n<\/tr>\n
Case 3: maximum stress at opening<\/td>\n0.0600 N\/mm\u00b2<\/td>\n0.0615 N\/mm\u00b2<\/td>\n2.5%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

References<\/h2>\n
    \n
  • M\u00e9caniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SSLP 02: traction simple d’une plasue perfor\u00e9e
    \nThis afnor example served as inspiration for this verficiation example, but the used dimensions where too small to model in Diamonds.<\/i><\/li>\n
  • Roark, R. J., & Young, W. C. (2002). Roark\u2019s Formulas for Stress and Strain<\/i> (7th edition, Table 17.1 case 6a). McGraw-Hill Companies.<\/li>\n<\/ul>\n
      \n
    • Tested in Diamonds 2026.<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"

      Description Independent reference results Diamonds results and comparison Maxmimum stress at opening for case 3 in Diamonds References M\u00e9caniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SSLP 02: traction simple d’une plasue perfor\u00e9e This afnor example served as inspiration for this verficiation example, but…<\/p>\n","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[1205],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/11565"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/comments?post=11565"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/11565\/revisions"}],"predecessor-version":[{"id":30585,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/11565\/revisions\/30585"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/media?parent=11565"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-category?post=11565"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-tag?post=11565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}