Design optimisation of linear structures subjected to dynamic random loads with respect to fatigue life
Identifieur interne : 000A75 ( Main/Exploration ); précédent : 000A74; suivant : 000A76Design optimisation of linear structures subjected to dynamic random loads with respect to fatigue life
Auteurs : RBID : Pascal:12-0264158Descripteurs français
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Abstract
This work concerns the optimisation of linear two-dimensional planar metallic structures subjected to stationary Gaussian random loads. A strategy intended to improve the design of this category of structures is proposed according to the multiaxial high-cycle fatigue, by varying the thicknesses of the zones where the structure is assumed to be divided. To achieve this goal, a computationally efficient framework for the determination of the fatigue life is firstly proposed. It is based on a frequency formulation of the Sines' fatigue criterion, adapted according to Pitoiset and Preumont works [1]. Two examples are presented to demonstrate the ability of the methodology to provide better structural topologies.
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Box 593 - CEP:</s1><s2>38400-902 Uberlândia-MG</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Khalij, L" uniqKey="Khalij L">L. Khalij</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>INSA de Rouen, Laboratoire de Mécanique de Rouen (LMR), Avenue de l'Université, 76801 St</s1><s2>Etienne du Rouvray</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>Etienne du Rouvray</wicri:noRegion><placeName><region type="region" nuts="2">Haute-Normandie</region><settlement type="city">St</settlement></placeName></affiliation></author><author><name sortKey="Rade, D A" uniqKey="Rade D">D. A. Rade</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Federal University of Uberlândia, School of Mechanical Engineering, P.O. Box 593 - CEP:</s1><s2>38400-902 Uberlândia-MG</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="inist">12-0264158</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0264158 INIST</idno><idno type="RBID">Pascal:12-0264158</idno><idno type="wicri:Area/Main/Corpus">000A82</idno><idno type="wicri:Area/Main/Curation">001E16</idno><idno type="wicri:Area/Main/Exploration">000A75</idno></publicationStmt><seriesStmt><idno type="ISSN">0142-1123</idno><title level="j" type="abbreviated">Int. j. fatigue</title><title level="j" type="main">International journal of fatigue</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Design</term><term>Dynamic load</term><term>Fatigue</term><term>Fatigue life</term><term>Mechanical properties</term><term>Random load</term><term>Vibration</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Conception</term><term>Charge dynamique</term><term>Charge aléatoire</term><term>Durée vie fatigue</term><term>Fatigue</term><term>Vibration</term><term>Propriété mécanique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This work concerns the optimisation of linear two-dimensional planar metallic structures subjected to stationary Gaussian random loads. A strategy intended to improve the design of this category of structures is proposed according to the multiaxial high-cycle fatigue, by varying the thicknesses of the zones where the structure is assumed to be divided. To achieve this goal, a computationally efficient framework for the determination of the fatigue life is firstly proposed. It is based on a frequency formulation of the Sines' fatigue criterion, adapted according to Pitoiset and Preumont works [1]. Two examples are presented to demonstrate the ability of the methodology to provide better structural topologies.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0142-1123</s0></fA01><fA02 i1="01"><s0>IJFADB</s0></fA02><fA03 i2="1"><s0>Int. j. fatigue</s0></fA03><fA05><s2>43</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Design optimisation of linear structures subjected to dynamic random loads with respect to fatigue life</s1></fA08><fA11 i1="01" i2="1"><s1>PAGNACCO (E.)</s1></fA11><fA11 i1="02" i2="1"><s1>LAMBERT (S.)</s1></fA11><fA11 i1="03" i2="1"><s1>KHALIJ (L.)</s1></fA11><fA11 i1="04" i2="1"><s1>RADE (D. A.)</s1></fA11><fA14 i1="01"><s1>INSA de Rouen, Laboratoire de Mécanique de Rouen (LMR), Avenue de l'Université, 76801 St</s1><s2>Etienne du Rouvray</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>Federal University of Uberlândia, School of Mechanical Engineering, P.O. 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To achieve this goal, a computationally efficient framework for the determination of the fatigue life is firstly proposed. It is based on a frequency formulation of the Sines' fatigue criterion, adapted according to Pitoiset and Preumont works [1]. 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