Abdulla: Comparison the stresses and deflections of an isotropic and orthotropic ------ 737 Comparison the stresses and deflections of an isotropic and orthotropic rectangular plates with central circular hole under tension load Ahmed M. Abdullah Assistant Lecturer College of Engineering / University of Mosul ABSTRACT The distributions of stresses and deflection in rectangular isotropic and orthotropic plates with central circular hole under transverse static loading have been studied using finite element method. The object of this present work is to analyze the effect of D/Y ratio (where D is hole diameter and Y is plate width) upon stress distribution and deflection in plates under tension subjected to a static loading. The D/Y ratio is varied from (0.1) to (0.9). The results are obtained for four different boundary conditions. The variations of stresses and deflections with respect to D/Y ratio are presented in graphical form. The finite element formulation is carried out by using the analysis section of the ANSYS package Keywords: Finite Element, Isotropic and orthotropic plates, Boundary conditions. ت يقاسجهاد ا اثحشاف وا قطعخ اث ف يعذ خ هخ يسخطا إحذاه يىحذة انخىاصش يىحذة انخىاصخشي غ وا ر و اح رقب يشكضشج حأرح ح قىة انشذىد عبذذ يح أحط يساعذ يذسىصميعت انذست / جات انه كهصت انخخذاو طش نقذ حى اسخجهادع ااست حىص دسحذد فصش انقت انع قطعخنحاصهت فث افاحشا اث واهخ يسخطحخى انشكم ح ا رقب يشكزض عه يعزذ يز رو خزىاصزش غ يخسزات وزا هزنشه يزلزجضانزم ثزذ راش حزج حزأرح حشذ يعشفت حأر انبحطش انزقب ا ق انقطعخ هاحىجىد ف انشكض نداجهاض ا حشك عهها ث ففاثحشا ازنك عه وك انقطم ونكم يب هزا انحا لسبهحذد ف ح انخض عخ ان إسبت D/Y ( انعزشهقزب إنز قطش انز) ( زشث يزا لز حن1,0 ) ( إن1,0 خائج نك ان انحصىل عه وحى) نقطعخا ا ض وقذجهادشكض اش حاصت لخنث انخاح حى عشه انسزبت إنز اثش حنD/Y اقشخه وي احذد وهىصش انخذاو احذ لشايج انع لاسخسيج انا انبش."ANSYS 12" تفخاحث انا انكهحذدصش ان : انع، ش يىحذة انخىاص قطع يىحذة وغ، تشوط انحذ انش ضReceived: 14 – 6 - 2011 Accepted: 16 – 2 - 2011
Comparison the stresses and deflections of an isotropic and orthotropic rectangular plates with central circular hole under tension load
Jun 15, 2023
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