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Showing 1 to 20 of 49 for “"Lattice Structures"”.
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Dynamic analysis and active control of lattice structures
… two forms of active vibration control applied to lattice structures, such as those used for space applications. The structure considered is based on a lattice structure assembled by NASA in 1984. It consists of a satellite boom with 93 aluminium members connected rigidly through 33 spherical …
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Stiffness prediction methods for additively manufactured lattice structures
… midsoles. The 4D midsoles are constructed from lattice structures, and if there is variation in the manufacturing process, the structure's material and/or geometric properties may be altered. This means midsoles may have the same geometry but different material properties and thus different …
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Hydrodynamic Drag and Flow Visualization of IsoTruss Lattice Structures
… eleven different configurations of IsoTruss® lattice structures. Flow visualization of prototypical IsoTruss® wind towers was also performed using Particle Image Velocimetry instrumentation. The drag test and flow visualization specimens included 6-node and 8-node configurations, single and …
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Design and optimization of lattice structures and mechanical metamaterials for additive manufacturing
… optimization, and additive manufacturing (AM) of lattice structures and mechanical metamaterials. These materials, characterized by their cellular nature, possess unique properties primarily determined by the design of their individual cells rather than the properties of the bulk material from …
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Cast Metal-Ceramic Composite Lattice Structures for Lightweight, Energy Absorbing, and Penetration Resistant Applications
… of the energy-absorbing capabilities of cast lattice structures. These structures absorb large amounts of energy via plastic deformation, but their most attractive characteristic from a structural standpoint is the favorable energy absorption-to-weight ratio. Conventional machining techniques …
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The use of continuum models for conducting both linear and nonlinear analyses of lattice structures
Large structural projects, such as lattices for framing tall buildings or space purpose can result in huge finite element models. The use of continuum methodology for conducting both linear and nonlinear analyses of lattice structures in finite-element models results in significantly fewer degrees …
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Computational analyses and optimization of thin-walled lattice structures and the application of physics-informed neural networks in computational mechanics
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
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Performance of Aluminium Lattice Structures: Interplay Between Additive Manufacturing Process, Heat Treatment Strategies, and Microstructural Control, for Room and High Temperature Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Evaluation of stress state on the mechanical properties of 3D printed metallic lattice structures fabricated via laser powder bed fusion for orthopedic applications
… to change the design parameters of metallic lattice structures provides the control to optimize the interconnected porosity size to promote osseointegration and manipulate stiffness values to mimic bone, ideal for minimizing stress shielding. These benefits have caused a widespread …
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Computational Design of Architected Lattices for Construction Applications
Architected lattices have been utilized in aerospace and research applications for their modularity, scability, reconfigurability, and high strength-to-weight properties. However, voxels have yet to find widespread integration in the residential or commercial construction industry because of the …
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An improved size, matching, and scaling synthesis method for the design of meso-scale truss structures
… such research area is in the design of mesoscale lattice structures. Mesoscale lattice structures are a type of cellular structure with support element sizes on the order of magnitude of centimeters. These types of structures are engineered for high performance and have applications in industries …
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Stiffness matrices of carbon nanotube structures
… done to determine the stiffness matrices of the lattice structure of graphene, the planar building block of carbon nanotubes. Through continuum linear elastic analysis and a displacement-based finite element method, the global in-plane stiffness matrix for an arbitrary carbon atom of the lattice …
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Transonic flutter prediction and aeroelastic tailoring for next-generation transport aircraft
… specically focusing on a design methodology for lattice structures. To reduce the computational expense of considering transonic utter in conceptual aircraft design, a physics-based low-order method for transonic utter prediction is developed, which is based on small unsteady disturbances about a …
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Colloidal Electronics
… low-dimensional materials with well-defined lattice structures can be incorporated into polymer microparticles, granting them unique electronic functions. The resulting colloidal electronic 'cells', comprised of microscopic circuits connecting artificial 'organelles' (e.g., generators, …
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A Study of Inhomogeneities and Anisotrophies In Superconductors via Ginzburg-Landau Type models
… how vortices move and arrange themselves in lattice structures, how their movement is suppressed by pinning mechanisms, and how their movement is affected by thermal fluctuations is critical to understanding how to maintain resistanceless current flow. We study a variety of Ginzburg-Landau …
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Synthesis, Structural, and Catalytic Studies of Palladium Amino Acid Complexes
… and electron-withdrawing groups. The crystal structures of nineteen catalyst complexes were obtained. The extended lattice structures arise from N-H..O or O..(HOH)..O hydrogen bonding. NMR, HRMS, FTIR, single crystal XRD, and powder XRD data are evaluated.
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Static and Dynamic Optimisation of Fluid-Filled Lattices for Responsive Orthotic Insoles
… static and dynamic performance of fluid-filled lattice structures for use in responsive orthotic insoles. The central aim is to explore fluid-filled lattices as a means of enhancing comfort and reducing peak plantar pressures under both static and dynamic loading conditions. The structural …
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Isogeometric Design, Analysis and Optimisation of Lattice-Skin Structures
… techniques enable novel designs using lattice structures in mechanical parts, lightweight materials, biomaterials and so forth. Lattice-skin structures are a class of structures that couple thin-shells with lattices, which potentially combine the advantages of the thin-shell and the …
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Design, Analysis and Experimental Evaluation of 3D Printed Variable Stiffness Structures
… of advanced optimized variable-stiffness structures. The first part offers an insight on the mechanical, viscoelastic and failure characteristics of AM continuous fiber composites. This understanding was used in the second part to investigate the feasibility of different topology and …
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