[PDF] Top 20 Lat. Am. j. solids struct. vol.8 número4

... Several researchers have considered vehicle-track interaction in their analyses. These they commonly termed moving mass problems. These researchers include Stanisic et al [22], Milornir et al [11], Clastornic et al [3], ... See full document

... Masonry is a composite material that consists of units and mortar joints. A masonry wall is constructed by laying pieces of bricks on top of each other with cohesion via mortar. The mortar joint can be modeled by ... See full document

... In this paper, static and free vibration analysis of carbon nano wires based on Timoshenko beam theory using differential quadrature method is investigated.. From the knowledge of author[r] ... See full document

... Bayat considered the work on the steel braced frame structures equipped with ADAS devices under the far field record and in this study, which is an extension of the authors’ previous wor[r] ... See full document

... Design optimization of composite laminated structures using genetic algorithms and finite element analysis. A simple and effective element for analysis of general shell structures[r] ... See full document

... In this research the data of previous experimental researchers [2, 8, 9, 15, 17, 20, 21], involving the testing of slab-column connections with HSC columns and NSC slabs has been used. Analysis of the accumulated ... See full document

... structure under in-plane loads over a range of excitation frequencies. The well-known Hill’s method of infinite determinants is used for solving a system of Mathieu-type equation in the present problem to predict the ... See full document

... in solids, observed that ‘iron, copper and other metals, even single bodies, when subject to a force or weight, curve and bend to the form of an arch before ... See full document

... The numerical simulations were conducted using LS-DYNA 970 software, which is a power- ful FEA tool for modeling non-linear mechanics of solids, fluids, gases and their interaction. Since the sandwich beam is ... See full document

... Summarizing, the overall geometry and minimum allowable gap size of the YT-joint described in this work is shown in Fig. 2. Using this schematic, we fabricated and tested four test specimens in the laboratory and ... See full document

... The TSA technique calculates the sensitivity of the cost function when an infinitesimal hole is created in the domain of the problem [8, 16, 31, 33]. The sensitivity is given by the topological derivative or ... See full document

... . The projectiles used in case 5 penetration tests are the same as those employed in case 3 penetration tests. It is easy to implement Eqs. (8)-(22) into MATLAB and the penetration and deformation of the ... See full document

... Analysis of the inverse problem consists in finding such values of mass (elasticity) or flex- ibility and their positions so that the natural vibration frequency has the desired value (i[r] ... See full document

... Natural frequencies of cantilever beam, necessary to identification came from FEM analyses. Geometrical and material parameters of beam are the same as in previous example. Author has examined 6 different variants of ... See full document

... the 8% difference in the FEM prediction of the ultimate strength and the relevant test result in the case of JE34 model can be considered as due to neglecting the effect of initial deflection of the model in the ... See full document

... Higher order methods which require the second or higher order derivatives can be time con- suming. One such method is the Newton method; however the Newton method can suffer from numerical instabilities. Thus, it is ... See full document

... the non-analytical deadzone relationship in preloaded spring in a mechanical oscillator. To an- alyze the drillstring vibrations in a near vertical hole, Hakimi and Moradi [13] modeled contact between the drillstring and ... See full document

... constitutive parameters by its viscoelastic counterparts. The inverse Laplace transform, back to the original time domain, will yield the transient solution of the viscoelastic problem. This has been used by many authors ... See full document

... Crawford et al. [11] conducted numerical analyses of 1.10 m diameter circular RC column from a multi-story building retrofitted with CFRP composites to determine its vulnerability to terrorist attacks. DYNA3D, a ... See full document

... An important class of modified continuum models are those based on the concept of nonlocal elasticity. These models allow the integration of small-size effects into classical continuum models. The theory of nonlocal ... See full document