... to a microstructural model of the cortical bone using extended finite element method (FEM). In addition, microstructural finite element models were employed to determine the influence of porosity, osteonal bone, and orientation of the Haversian system on the macroscopic elastic moduli and Poisson’s ratio...

... creep differentiation elastic moduli integration polynomials stress analysis stress relaxation viscoelasticity Volterra ( 1 2 ), by utilizing the theory of integral equations, was a major contributor to the theory of viscoelasticity. The Riesz representation theorem for a linear...

... volume injection. The results indicate that the mode-mixity has no effect on the energy required for debonding, which suggests that wetting of the crack faces behind the debonding front eliminates friction. adhesion crack-edge stress field analysis delamination elastic moduli glass mechanical...

...J. Li; M. Ostoja-Starzewski Fractal patterns are observed in computational mechanics of elastic-plastic transitions in two models of linear elastic/perfectly plastic random heterogeneous materials: (1) a composite made of locally isotropic grains with weak random fluctuations in elastic moduli...

... Problems Containing Multiple Defects,” J. Eng. Mech., 130(5), pp. 589–598 . It is found that there is an inherent relation between the M -integral and the reduction of the effective elastic moduli as the orientation of one crack varies, i.e., the larger the M -integral is, the larger the reduction...

... of sphere j after impact between identical spheres Loss factor in impact between identical spheres In collision cases with different materials, the parameters are chosen as follows: elastic moduli E i = 210   GPa and E j = 100   GPa , Poisson’s ratios...

... elastic moduli elasticity internal stresses steel tyres The mechanics of load transfer from the matrix to the cords in cord-reinforced composite materials is considered. Cord-composite materials are used in a wide variety of applications including automobile and truck tires and hoses...

... during engagement ( 3 ), failure due to tensile overload of the pillars upon separation ( 4 ), yielding in shear upon pull-out that limits the friction stress ( 4 ), and damage of the contacts between the pillars due to excessive compression ( 2 ). adhesion buckling ceramics cracks elastic...

..., are employed by the extended method. Finally, the global equation system is solved and the solutions give the formulations of the microstress field and the global elastic moduli of material. The introduction of quadrilateral subcells increases the efficiency of modeling the material’s microstructure...

... sin θ sin 3 θ 2 cos 2 β + 1 2 sin θ cos 3 θ 2 sin 2 β ] 05 12 2007 05 06 2008 06 11 2008 bending crack-edge stress field analysis eigenvalues and eigenfunctions elastic moduli plates (structures) stress intensity factor...

... ; ( c ); stress σ x z ; ( d ) Stress σ z z . Next, the elastic fields are calculated using the surface elastic moduli shown in Table 1 for various values of surface stress, i.e., m τ α β...

... the way in the area of mixed boundary-value problems in inhomogeneous and functionally graded media and also in providing selfless guidance to others. 24 07 2008 boundary-value problems cracks elastic moduli elasticity fracture mechanics functionally graded materials...

... variation of elastic modulus and mass density with a single nonhomogeneity parameter in an exponential type of variation or assume mass density to be a constant. However, the glass-filled epoxy FGM used in the current experiments had significantly different elastic moduli and mass density variations...

... in an Infinite Plate Containing a Rigid Rectangular Inclusion ,” Int. J. Solids Struct. 0020-7683 10.1016/0020-7683(68)90022-X , 4 , pp. 1057 – 1066 . Jasiuk , I. , Chen , J. , and Thorpe , M. F. , 1994 , “ Elastic Moduli of Two Dimensional Materials With Polygonal and Elliptical Holes...

... buckling load accurately even for plates with large cutouts. Micromechanics based approach is used to study the effect of variation in microlevel constituents on the effective macrolevel properties like elastic moduli. Consequently, the effect of uncertainty in these material properties on the buckling...

... into account the surface/interface stress effects. A closed-form analytical solution is obtained by using the complex potential function method of Muskhelishvili. Selected numerical results are presented to investigate the size dependency of the elastic field and the effects of surface elastic moduli...

... behavior is assumed? The answers to these questions turn out to be negative, but they require a digression. 10 02 2006 20 04 2006 composite materials suspensions elastic moduli elastic constants deformation inclusions homogenization Cosserat-elasticity dilute suspension...

... mesa. Configurations of one, two, and three islands at different positions on the mesa are considered to determine their relative energies as a function of mesa size, island size, mismatch strain between the island and substrate materials, surface energy, and elastic moduli. Insight is offered...

... entropy density specific heat elastic moduli compressible flow equations of state In thermodynamics of fluids one encounters different notions of stable equilibrium. One is that internal energy is a convex function of entropy and specific volume. Another is that certain material properties...

.... Herein, we do so by estimating the elastic moduli of periodic composites characterized by repeating unit cells obtained by rotation of an infinite square fiber array through an angle about the fiber axis. Such unit cells possess no planes of material symmetry in the rotated coordinate system, and may...