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.
Results
Showing 1 to 13 of 13 for “"Crack problems"”.
-
Some crack problems in linear elasticity / by W.T. Ang
Errata inserted
-
Numerical analysis of hydraulic fracturing and related crack problems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1980.
-
On iso- and nonisothermal crack problems of a layered anisotropic elastic medium
The iso- and non-isothermal crack problems of layered fiber-reinforced composite materials are investigated within the framework of linear anisotropic thermoelasticity and under the state of generalized plane deformation. The crack is assumed to be parallel to the layer bounding surfaces. By …
-
Enrichment of the Boundary Element Method through the Partition of Unity Method for Fracture Analysis using Local and Global Formulations
… Element Method to allow accurate analysis of 2D crack problems. An overview of fracture mechanics is given, with particular emphasis given to numerical methods and the techniques used to extract the highly important stress intensity factors - a measure of the singularity of a crack tip. The …
-
Computation of Dynamic Stress Intensity Factors by the Time Domain Boundary Integral Equation Method (Crack, Propagating)
… to the solution of a number of elastodynamic crack problems is presented. In addition to the usual element having constant space and time interpolation of tractions and displacements on the boundary, a new boundary element which incorporates quadratic variation in space and linear variation in …
-
Boundary Value Problems in Elasticity and Thermoelasticity
… author solves a series of mixed boundary value problems arising from crack problems in elasticity and thermoelasticity. Using integral transform techniques and separation of variables appropriately, it is shown that the solutions can be found by solving a corresponding set of triple or dual …
-
A new solution for an edge dislocation with applications to the stress and fracture analysis of multilayered media
… multilayered materials and structures containing crack-like defects is of interest in many research areas, such as composites, bio-mechanics, and geomechanics, and engineering applications, such as coatings, electronics, and adhesive joints. The main objective of this thesis is to further develop …
-
On the Theory of Stress-Assisted Diffusion
… in the literature. Examples of interesting crack problems involving stress singularities as well as the elimination of singularities are considered. An equilibrium solution is utilized together with a straightforward physical argument to produce rationally two empirical formulae previously …
-
Analysis of interface and subinterface cracks with crack-face contact and interface shear yield zones
Plane strain problems for an interface crack, with two interface shear yield zones and one crack-face contact zone, and for a crack parallel to an interface between dissimilar materials, with crack-face contact zone near one of the crack tips, are studied. These interface crack and subinterface …
-
Development and applications of hypersingular boundary integral equations for three-dimensional acoustics and elastodynamics
… tool to other numerical methods for many problems in engineering. The hypersingular BIE's, which are derivatives of conventional BIE's, are indispensable for the analyses of many problems in mechanics by BIE/BEM, such as wave scattering, crack problems, plate bending, thin body and thin …
-
The Solution of Hypersingular Integral Equations With Applications in Acoustics and Fracture Mechanics
… moving objects and the study of dynamic Griffith crack problems has necessitated a computationally efficient technique for solving such equations.</p> <p>Fracture mechanic studies are performed using the aforementioned techniques. We focus our studies on problems addressing the Stress Intensity …
-
Fracture mechanics and its application in rock excavation
… specimen preparation for the SR geometry. The cracked chevron notched Brazilian disc (CCNBD) and the cracked straight through Brazilian disc (CSTBD) specimen geometries overcome these problems and they are believed to be ideal geometries for rock fracture investigations. The general case for …
-
ΟΛΟΚΛΗΡΩΤΙΚΕΣ ΚΑΙ ΟΛΟΚΛΗΡΩΔΙΑΦΟΡΙΚΕΣ ΕΞΙΣΩΣΕΙΣ ΜΕ ΛΟΓΑΡΙΘΜΙΚΕΣ ΙΔΙΟΜΟΡΦΙΕΣ: ΑΡΙΘΜΗΤΙΚΗ ΕΠΙΛΥΣΗ & ΕΦΑΡΜΟΓΕΣ ΣΤΗΝ ΕΠΙΠΕΔΗ ΕΛΑΣΤΙΚΟΤΗΤΑ
… APPLICATION OF THESE METHODS TO PLENE ELASTICITY PROBLEMS WHICH MAY BE REDUCED TO SUCH EQUATIONS. ASFAR AS THE EXTEND IS CONCERNED, VARIOUS COMBINATIONS OF SINGULAR WEIGHT FUNCTIONS WITH SINGULAR KERNELS, LOGARITHMIC OR CAUCHY TYPE, ARE CONSIDERED. AS FAR AS THE METHODOLOGY IS CONCERNED, BOTH THE …