..., such as positive, negative, middle-high and middle-low gradients. The deformation process of the sandwich cylinders is assumed to be split into three phases, i.e., fluid-structure interaction, combined deformation of core and inner wall and sandwich stage of motion. Employing a rigid perfectly-plastic locking...

...Sepideh Ebad Sichani; Xin Ning This paper presents the optimization frameworks for designing cellular internal structures of an aircraft wing subjected to aerodynamic loads. Inspired by natural cellular materials, this study employs lattice and foam cells as the internal structures of the aircraft...

... model is proposed for future developments such as generative design and engineering application. Our research offers valuable insights and serves as an inspiration for deeper exploration into the intricate structure-property relationships within materials with aperiodic and disordered microstructures...

..., the decomposition of linear multi-degree-of-freedom dynamical systems with gyroscopic, circulatory, and potential forces is investigated through a real linear coordinate transformation generated by an orthogonal matrix. Several sets of conditions, applicable to real-life structural and mechanical systems arising...

... bandwidth of the metamaterial with side enlargements calculated for various S 1 / S 0 . ( d ) Experimental setup for measuring acoustic transmission properties of the metamaterial with the side-branch structure. ( e ) Theoretical, simulation, and experimental results of acoustic energy...

... (Fig. 2 ). The study reveals that surface elastic constants increase or reduce SH wave phase velocity, and the piezoelectric, elastic, and dielectric constants significantly impact the horizontal shear stiffness of a piezoelectric structure. The current model's horizontal shear stiffness is lower than...

...Sandip T. Patel; Harshit K. Dave The field of negative stiffness structures has recently seen an increase in attention as a result of advancements in additive manufacturing (AM) technology. These advancements have made it possible to produce materials in a more expedient manner. The purpose...

... investigation is conducted on the key system parameters affecting the frequency and amplitude of self-oscillation. In contrast to the complexity of current self-oscillating systems, this particular self-oscillating system features simplicity in structure, ease of manufacture, and strong adaptability...

...Lianchao Wang; Julio A. Iglesias Martínez; Krzysztof K. Dudek; Gwenn Ulliac; Xinrui Niu; Yajun Zou; Bing Wang; Vincent Laude; Muamer Kadic Materials and structures with tunable mechanical properties are essential for numerous applications. However, constructing such structures poses a great...

...Zeeshan Alam; Atul Kumar Sharma Hard-magnetic soft materials, which exhibit finite deformation under magnetic loading, have emerged as a promising class of soft active materials for the development of phononic structures with tunable elastic wave band gap characteristics. In this paper, we present...

... include structural (especially bridge) bearings, seismic-isolation devices, mounting blocks and bushings, gaskets, and sealing components. Studies of the compression of annular disks that are bonded to rigid platens include [ 2 – 18 ] (whereas the platens are flexible in Refs. [ 19 , 20 ], and tension...

... field prediction can be faster than traditional finite element methods. However, current data-driven techniques to predict scalar fields are limited to a fixed grid domain, instead of arbitrary mesh structures. In this work, we propose a method to predict scalar fields on arbitrary meshes. It uses...

... M echanics . 14 01 2024 02 04 2024 14 04 2024 12 07 2024 Graphical Abstract Figure constitutive modeling of materials elasticity structures vibration Many analytical models have been utilized as a keystone to describe wave propagation in elastic...

...David Forster; Sagnik Paul; Manfred Bischoff; Ann C. Sychterz This paper presents the integration of a numerical structural model based on the redundancy matrix and experimental results of multi-layered randomized architected materials (MLRAM). It presents a combination of the relatively new field...

... for beams laminated with viscoelastic interlayers whose relaxation is described by four branches of power laws, to cover most practical cases. Numerical experiments show their advantages over the Grünwald–Letnikov approach for characterizing the long-term structural response. Table 1 Coefficients...

... transformation. The incorporation of additional information about the matrices, which many structural and mechanical systems commonly possess, shows a reduction in the number of these conditions to three. Several new results are obtained and are illustrated through examples. A useful general form for the damping...

... mechanical properties of materials plasticity stress analysis structures National Science Foundation 10.13039/100000001 2044705 The recent advances in additive manufacturing methods have stimulated the interest of engineers, physicists, and materials scientists to design, model...

...Zhuoqun Wen; Jinbo Yuan; Yu Huang; Xiaoming Zhou Underwater acoustic non-reciprocal transmission via dynamic-modulation structures with time-varying mass and stiffness is studied. The model system consists of spatiotemporally modulated discrete lattices immersed in the water background. Based...

...Xiaoyu Zhang; Zeang Zhao; Shengyu Duan; Hongshuai Lei; Daining Fang This work investigates the effect of material dispersion on the tensile strength of brittle diamond lattice structures. In actual lattice structures fabricated by additive manufacturing, the dispersion of strength comes from...

... . 26 01 2024 01 04 2024 14 04 2024 07 05 2024 Graphical Abstract Figure membranes blister tests large deflection thin films 2D materials elasticity energy release rate and delamination structures The widespread use of circular elastic membranes across...