...Lu Sun; Feiquan Luo; Wenjun Gu A rigorous theoretical foundation for solving elastodynamic inverse problem of multilayered media under an impulse load is established in this paper. The inversion is built upon the forward dynamic analysis of multilayered elastic media using transfer matrix approach...

...Lu Sun; Wenjun Gu; Feiquan Luo An analytical solution of steady-state dynamic response of a multilayered viscoelastic medium to a moving distributed load is obtained using a novel approach that combines transfer matrix method with Sun’s convolution representation integrated over impulse response...

... sheets. As such, the loading on graphite at the nanoscale is characterized by the membrane force, the bending moment, and the shear force in the graphene sheets. Cylindrical nanoindentation of graphite is analyzed by applying a special boundary element method that employs Green’s function for multilayers...

... thermal loading beyond an estimated load. In view of such a background, this paper deals with a control problem of a thermal stress in a multilayer composite circular disk consisting of a structural layer and piezoceramic layers with concentrically arranged electrodes. When a heating temperature...

...Linfeng Chen; Marek-Jerzy Pindera In a recent investigation of microstructural effects in finite periodic multilayers, we have shown that under Mode I loading, the crack-opening displacement approaches that of the same crack in an equivalent homogenized material as the microstructure comprised...

...Neng-Hui Zhang; Jian-Zhong Chen A closed-form analytical solution to thermoelastic bending problems of multilayered beams is obtained by an alternative two-variable method. There are only two unknowns to be solved and two equilibrium conditions to be satisfied in the present analysis. Differences...

... multilayered model for stress analysis is presented in this paper, which involves the effect of prestress in every flat steel ribbon layer as well as in the inner shell. Based on this model, an optimal design method for FSRWPV is suggested, which can assure a reasonable stress level and distribution along...

...Lu Sun; Feiquan Luo This paper extends the classical problem of transient wave propagation in multilayered solids to transient wave propagation in multilayered viscoelastic solids. Laplace and Hankel transforms and the transfer-matrix approach are used in the formulation together with the elastic...

... multilayer thin film/substrate system subjected to nonuniform temperature distributions, we derive relations between the stresses in each film and temperature, and between the system curvatures and temperature. These relations featured a “local” part that involves a direct dependence of the stress...

... of the SWNT/polyelectrolyte film. Stress-strain curves from tensile testing The stress-strain curves for SWNT/polyelectrolyte multilayer composite film and the neat resin film (PAA+PDDA) are depicted in Fig. 5 from small scale tensile testing. For each type of film, three tests were conducted...

...Linfeng Chen; Marek-Jerzy Pindera In Part I of this paper, elasticity solutions were developed for finite multilayered domains, weakened by aligned cracks, that are in a state of generalized plane deformation under two types of end constraints. In Part II we address computational aspects...

...Linfeng Chen; Marek-Jerzy Pindera Elasticity solutions are developed for finite multilayered domains weakened by aligned cracks that are in a state of generalized plane deformation under two types of end constraints. Multilayered domains consist of an arbitrary number of finite-length and finite...

...Chien-Ching Ma; Genn-Sheng Lee The propagation of transient elastic waves in a three-dimensional multilayered medium subjected to general dynamic loadings is analyzed in this study. One of the objectives of this study is to develop an effective analytical method for determining transient full-field...

...C. H. Hsueh; S. Lee; T. J. Chuang Stress distributions in multilayers subjected to both residual stresses and external bending are analyzed to derive closed-form analytical solutions. There are always three unknowns to be solved and three equilibrium conditions to be satisfied in the present...

...A. J. Niklasson; S. K. Datta Transient response of multilayered superconducting tapes has been studied in this paper. These tapes are usually composed of layers of a superconducting material (like YBa 2 Cu 3 O 7 − δ , or YBCO, for simplicity) alternating between layers of a metallic material (like...

...X. C. Yin; Z. Q. Yue This paper presents an exact solution and an approximate solution, using the expansion of transient wave functions in a series of eigenfunctions, for the transient response of an infinitely long and multilayered circular cylinder subjected to uniformly distributed dynamic...

...D. Durban; G. Davidi; D. Lior Drawing and extrusion of single-phase and multilayered tubes through rotating conical dies is investigated within the framework of continuum plasticity. Large strain perfectly plastic J 2 flow theory models constitutive behavior along with a radial-helical flow pattern...

... length to increase discontinuously. Under thermally loaded conditions, the residual stresses generated by material mismatch in multilayered coatings drive cracks to grow. Using the present crack propagation model, the critical temperature leading to the complete porous coating failure can be approximated...

...Ru-Li Lin, Graduate Student; Chien-Ching Ma, Professor Green’s functions for anisotropic elastic multilayered media subjected to antiplane shear deformation are presented in this study. The antiplane shear deformation due to a concentrated shear force and screw dislocation in an arbitrary layer...