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Characterization of the stress state Stress invariants Throughout our discussion, a clear description of the stress state is important. The frame invariant part of the stress is described through the first invariant of the Cauchy stress tensor , and the...
Télécharger le fichier original (Mémoire de fin d'études) Résumé Le développement des voitures électriques est considéré comme un atout majeur pour faire face au réchauffement climatique et réduire la pollution automobile mondiale. Au fil des ans, une sensibilisation accrue à...
Hydraulic control characterization a modal Froude number Hydraulic control mechanism is based on the theory of supercritical flows, which uses a parameter called the internal Froude number to characterize the hydraulic state of the flow. The Froude number is a...
Structural characterization and electrochemical hydrogen storage properties of Mg2Ni1−xMnx Introduction Mg-based (Mg2Ni-type) hydrogen storage alloys are considered to be promising negative electrode materials for nickelmetal hydride (Ni-MH) batteries because of their low cost, light weight, rich mineral resources and high...
Hybrid experimental-numerical characterization of the effect of strain rate on fracture includes notched as well as uniaxial tension specimens. Local displacements and surface strain fields are measured optically in all experiments using Digital Image Correlation. Constitutive equations derived from the...
A characterization of NST models and their associated polynomials Dans ce chapitre, on a proposé une caractérisation par fonction variance des modèles NST multivariés sur Rk décrits par Boubacar Maïnassara & Kokonendji (2014). Ces modèles sont composés d’une variable stable-Tweedie...
Rheological characterization of sludge Introduction Sludge management is an important issue for large municipal waste water treatment plants. From the available option, energy recovery from incineration, pyrolysis or gasification are promising routes. However, after mechanical dewatering, municipal sludge has a...
Solution characterization for relaxed constraint satisfaction problems This chapter presents several methods to represent the solution of a relaxed constraint satisfaction problem or relaxed CSP (See de.nition 2.2). A relaxed CSP can usually be represented by a set of equations...
Sol-gel The sol-gel process is a wet-chemical synthesis technique for preparation of oxide gels, glasses, and ceramics at low temperature [17]. The process involves the evolution of inorganic networks from colloidal suspension (sol). In particular, the hydrolysis and condensation of...
The surfaces were characterized with different techniques in order to study their properties and possible impact on cell adhesion growth and morphology. In all cases, substrates of the coatings were analyzed too, such as PET or amine-rich surfaces, in order...