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In practical cases, manufacturing of components are not always perfect. The influence of cracks on structures are of interest here. In SONACA, Extended Finite Element Method (XFEM) was used earlier for the prediction of crack propagation and bifurcation angle. But due to some difficulties, we have developed a technique called Crack Box Technique (CBT) which had some difficulty in implementing into the model and is overcome by a new technique. In this thesis work, our objective is to confront the crack box approach for different models and analyse the results. A single edge notched specimen under tension of Steel materials is selected for static load cases. The results are successfully confronted using the crack box approach, analytical calculation and compared with the literature results. Then, we wanted to use the Crack Box Technique to determine the behaviour of crack propagation by fatigue load and the propagation path of the crack. The Compact Tension Shear (CTS) specimen under mixed mode loading is considered. The bifurcation angle is determined using the various available bifurcation criteria. The equivalent stress intensity factor is determined and crack propagation is studied using various approaches and compared with the crack box results.
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L'analyse des structures et milieux continus, discipline fondamentale pour l'ingénieur, intervient tant dans la conception d'un ouvrage que dans son calcul détaillé. Faisant suite au volume 1, Statique appliquée, la Mécanique des structures, matière riche et féconde, conduit au dimensionnementdes éléments structuraux. Pour construire, l'ingénieur doit posséder une connaissance aiguë despropriétés mécaniques des matériaux, du jeu des contraintes internes, de la déformation de la matière, de la sécurité et des dangers attachés à certaines sollicitations. Ces notions sont présentées dans ce livre sur la base des structures en barres, poutres et câbles avant tout, en se limitant à l'essentiel et au concret. Assorti de nombreux exercices, ce livre s'adresse aux étudiants du premier cycle universitaire ainsi qu'aux ingénieurs praticiens. Il constitue le deuxième volet d'une série d'ouvrages consacrés à l'analyse des structures et mileux continus.
Structural analysis (Engineering) --- Strength of materials --- Deformations (Mechanics) --- Continuum mechanics --- Constructions, Théorie des --- Résistance des matériaux --- Déformations (Mécanique) --- Milieux continus, Mécanique des --- Génie mécanique --- Mechanical engineering --- Résistance mécanique --- Strength --- Propriété mécanique --- Mechanical properties --- Matériau de construction --- Construction materials --- Élasticité --- Elasticity --- Propriété rhéologique --- Rheological properties --- Constructions, Théorie des --- Résistance des matériaux --- Déformations (Mécanique) --- Milieux continus, Mécanique des --- Déformations (mécanique) --- Mechanics, Applied --- Mécanique appliquée --- Ventilation --- Commande, Théorie de la. --- Monograph --- Civil engineering --- Génie civil --- #KVIV:BB --- Building construction --- Building components --- Dimensions. --- Dimensions --- Stability --- Building, Iron and steel --- Construction metallique --- Fluid flow --- Hydraulic engineering --- Hydrodynamique --- Hydrodynamics --- Fluid mechanics --- Concrete --- Construction --- Écologie des forêts. --- Constructions --- Bois --- Assemblages (construction) --- Foresterie --- Construction en bois --- Stabilité. --- Détérioration. --- Aspect économique --- Propriétés mécaniques. --- Conception et construction --- Normes. --- Rivers --- canals --- Measurement --- Mécanique des milieux continus --- Méthode des éléments finis --- Charges permanentes --- Théorie des constructions --- Structure --- Mécanique --- Construction métallique --- Dimensionnement --- Ecoulement non permanent --- Hydraulique --- Construction métallique --- Building, Wooden. --- Building --- Details. --- Détails --- Construction en béton --- Structures (construction) --- Hysdraulic structures --- Ouvrages hydrauliques --- Technologie fluviale. --- Assemblage --- Bois d'oeuvre --- Forêt --- Matériau --- Pont --- Structure en bois --- Technologie --- Acier --- Aluminium --- Assemblage, technique --- Béton --- Element de construction --- Construction en béton --- Béton architectonique --- Béton armé --- Béton précontraint --- Colonne --- Processus de conception --- Dalle --- Détail de construction --- Fondations --- Mur --- Pathologie de la construction --- Aspect économique --- Propriétés mécaniques. --- Prestressed concrete. --- Reinforced concrete. --- Finite element method --- Dead loads (Mechanics) --- Architectural engineering --- Engineering, Architectural --- Structural mechanics --- Structures, Theory of --- Structural engineering --- Loading, Static --- Static loads --- Loads (Mechanics) --- Materials, Strength of --- Resistance of materials --- Building materials --- Flexure --- Mechanics --- Testing --- Graphic statics --- Strains and stresses --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis --- Mechanics of continua --- Mechanics, Analytic --- Field theory (Physics) --- Génie civil. --- 69 --- 69 Bouwbedrijf. Bouwmaterialen. Praktijk en procedures in de bouwnijverheid --- Bouwbedrijf. Bouwmaterialen. Praktijk en procedures in de bouwnijverheid --- 69 Building (construction) trade. Building materials. Building practice and procedure --- Building (construction) trade. Building materials. Building practice and procedure --- Écologie des forêts. --- Stabilité --- Détérioration. --- Écoulement permanent --- Fluides, mécanique des --- Beams --- Structure métallique --- Structural design --- Dimensionnement (ingénierie) --- Calcul
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