Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"Thermo-mechanical loading"”.
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Fracture and failure of layered materials under thermo-mechanical loading
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1997.
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Domain-Integral Methods for Computation of Fracture-Mechanics Parameters in Three-Dimensional Functionally-Graded Solids
… crack fronts in FGM configurations under mode-I thermo-mechanical loading. The proposed domain integral formulation accommodates both linear-elastic and deformation-plastic behavior in FGMs. Next discussed is the extension of interaction-integral procedures to compute directly mixed-mode stress …
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Nonlinear analysis of laminated composite shells using a micromechanics-based progressive damage model
… solution for quasi-three-dimensional hygro-thermo-mechanical loading of continuous fiberreinforced composites. The model is used to predict failure in laminated composite structures and to study the effects of constituent properties (stiffness and strength) on structural behavior.
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Numerical investigation of the wall temperature effects on shock-wave turbulent boundary layer interactions
… layer thickening, shock-induced separation, thermo-mechanical loading, and low-frequency unsteadiness. In high-speed aerospace applications, the effects of STBLI can lead to catastrophic failure during flight. For this reason, the accurate prediction of STBLI is crucial for the design of such …
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Thermo-mechanical response and plastic deformation behavior of Hastelloy X at elevated temperatures — role of dynamic strain aging
… the plastic behavior of Hastelloy X subjected to thermo-mechanical loading is investigated, and the phenomenon of dynamic strain aging is studied under isothermal and temperature jump experiments, using the technique of digital image correlation (DIC). The material of interest, a Ni-based …
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A study of shape memory polymers and their usage in the development of directional dry adhesives
… and recoverability properties. The underlying thermodynamic explanations along with their fundamental governing equations is presented. A few possible potential areas of interest for applications of this unique polymer are presented, but the one of particular interest is biomimetic dry …
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A Boundary Element Method for Thermo-poroelasticity with Applications in Rock Mechanics
<p>Coupled thermal and poromechanical processes play an important role in many geomechanics problems, such as borehole stability analysis and studies of initiation and propagation of hydraulic fractures. Thermal effects, as well as hydraulic effects, can greatly change the stresses and pore …
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Effect of the interphase on the thermo-mechanical response of unidirectional fiber-reinforced epoxies: modeling, analyses and experiments
… several levels (micro-structural, chemical, and mechanical) in order for one to fully understand the nature of the bond between the fiber and matrix and in order to perform a stress analysis of the fiber-interphase-matrix assemblage. A thorough thermo-mechanical characterization of the interphase …
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Thermomechanical and Vibrational Fatigue Life Assessment of Railway Wheels
… thermal and prestressed random vibrational loading as a coupled field. The present study develops an advanced numerical analysis methodology that incorporates real service conditions to calculate fatigue life. Firstly, a validation study was carried out before the fatigue life estimation. …