Showing papers in "International Journal of Mechanical Sciences in 2023"

TL;DR: In this paper , a semi-flexible body element (SFBE) was introduced for bearing-rotor systems, and the dynamic response of the system was determined by solving these equations.

TL;DR: In this article , the authors provide a comprehensive review on the recent advances in additively manufactured materials and structures as well as their mechanical properties with an emphasis on energy absorption applications and highlight significant challenges and future directions in this area.

TL;DR: In this article , a semi-analytical solution to predict the development of negative skin friction, caused by the consolidation of newly filled soil, on piles in the reclamation area was derived.

TL;DR: In this article , the effect of stitch pitch and yarn fineness on the mode I fracture behavior of 3D stitched composite was analyzed in the finite element model and an optimized stitch yarn design was proposed to improve the fracture toughness of the 3D textile structural composite.

TL;DR: In this paper , the authors investigated the material removal mechanism and subsurface damage in 3D ultrasonic vibration-assisted nanomilling (UVAN) and found that material removal is dominated by shearing and extrusion, respectively.

TL;DR: In this paper , a three-dimensional functionally graded (FG-3D) TPMS structure was proposed to generate a more competent design to accommodate multi-directional loading conditions in real-life applications.

TL;DR: In this article , a hybrid multi-stage optimization decision system, i.e., multi-criteria decision-making (MCDM)- multi-objective optimization (MOP)- MCDM, which integrates the VlseKriterijumska Optimizacija I Kompromisno Resenje (VIKOR) method, the multiple objective particle swarm optimization-crowding distance evolutionary algorithm and repetitive VIKOR method, is proposed to find the optimal structure and obtain the optimal parameter alternative of the structure.

TL;DR: In this paper , the authors investigated the multi-stability of the hexagonal hypar by combining a group-theoretic approach, a symmetry-breaking method, and a bar-and-hinge structural model, to simplify the kinematic analysis of this highly symmetric structure.

TL;DR: In this article , a multiphase vortex-induced vibration modeling and sensing method coupled with the Rankin vortex-Helmholtz equation, Flügge displacement equation, and residue theorem solution strategy is presented to explore MVCT-induced nonlinear vibration patterns.

TL;DR: In this article , the influence of elemental segregation at grain boundaries (GBs) on the mechanical properties of FeNiCrCoCu high entropy alloys under uniaxial load was explored.

TL;DR: In this article , a self-oscillating floating balloon is creatively constructed, which consists of an optically-responsive liquid crystal elastomer (LCE) spherical balloon under steady layered illumination.

TL;DR: In this paper , a variable-potential bistable nonlinear energy sink coupled electromagnetic harvesters (VBNES-EH) is proposed, which can simultaneously achieve high efficiency, broadband vibration suppression and energy harvesting under ultra-low and ultra-wide input energy level excitation.

TL;DR: In this paper , a concurrent optimization procedure was presented for composite laminates under the low-velocity impact, where both the micro-structure and macrostructure layout parameters have been optimized simultaneously.

TL;DR: In this paper , a physically-based nonlocal strain gradient theory of polymer networks is proposed, where the kernel functions and intrinsic length scales have unambiguous physical meanings, based on the hypotheses of interpolatory correlation, homogenization, and superposition.

TL;DR: In this article , the authors investigated the deformation and crack formation of monocrystalline 4H-SiC involved in single grit grinding using molecular dynamics (MD) simulation, and revealed the mechanism for crack initiation and propagation.

TL;DR: In this paper , a prediction system for the rolling contact fatigue (RCF) performance of martensitic steel based on the machine learning (ML) algorithm and micro-mechanical simulations was designed.

TL;DR: In this article , a new type of body-centered cubic (BCC) lattice, consisting of hollow prismatic struts with mechanical properties defined by an inner hollow parameter was introduced, and a new optimization framework was proposed to simultaneously optimize the distribution of the volume fraction and inner hollow size of hollow-strut lattice structures.

TL;DR: In this article , a unified modeling approach for rotating thin disks with ABH indentations is proposed, where the equations of motion of the system are formulated using the Rayleigh-Ritz method together with the Kirchhoff plate theory.

TL;DR: In this paper , a concurrent robust topology optimization method considering manufacturing factors and hybrid uncertainties is proposed, where the minimum size is controlled based on the boundary gradient under the level set frame and the influence of random defects on the mechanical property is analyzed via the homogenization method.

TL;DR: In this paper , the impact damage behavior of polymer bonded explosives (PBXs) is investigated by using a multiscale method, where compressive damage evolution rules and the strain rate effect of PBX 1314 were investigated using a finite element model based on real crystal morphology.

TL;DR: Wang et al. as discussed by the authors presented an investigation of a novel crash box, which consists of Al shell and 3D-printed lattice core, fabricated by fused filament fabrication (FFF) technology using carbon fiber reinforced polyamide 6 (PA6/CF) composites.

TL;DR: In this paper , a post-treatment process combing hot isostatic pressing (HIP) and electropolishing (ELP) was proposed and conducted in TPMS-based scaffolds with various structures.

TL;DR: In this article , a semi-analytical periodic spectral plate method for the wave analysis of two-dimensional (2D) periodic origami-inspired metamaterials is proposed based on the Mindlin plate theory, higher-order spectral elements, and the Bloch theorem.

TL;DR: In this article , an airfoil-based flutter piezoelectric energy harvester attached to an unconstrained trailing-edge flap was designed for transforming the vibration mode and improving the harvesting performance.

TL;DR: In this paper , a novel compact energy harvesting dynamic vibration absorber (EHDVA) with quasi-zero-stiffness (QZS) characteristics is engineered for both vibration suppression and energy harvesting under low frequency.

TL;DR: Based on experimental data and continuum damage mechanics theory, a phenomenological creep-fatigue damage model applicable to Ti-6Al-3Nb-2Zr-1Mo titanium alloy at room temperature is proposed that can describe the stress dependence of the interaction between fatigue damage and creep damage as mentioned in this paper .

TL;DR: In this article , a graded reentrant circular auxetic honeycomb (RECH) was proposed, and their metallic prototypes were fabricated through a low-cost step-by-step method.

TL;DR: In this paper , the authors proposed an industrial-friendly method to estimate the in-process structural dynamics of machine tools, considering practical demands and implementation limits, using receptance coupling theory to develop an optimization algorithm.

TL;DR: In this paper , an actuating approach via longitudinal-traveling-wave and bending-standing-wave (BSW) hybrid excitation is proposed and applied to a two-DOF linear ultrasonic motor in cross shape.