Tag: Mechanical Engineering
Periodic drum diameter change improved winding structure quality
Novel winding mechanism with periodic diameter variation reduces structural defects in textile bobbins. Regression model optimizes shaft modulation parameters for improved package quality during.
Thermal tuning enables directional broadband acoustic absorption
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in AcousticsThermal control of air properties enables broadband, direction-dependent acoustic absorption in a programmable non-Hermitian metastructure without geometric modifications.
Heterostructures improve properties of additively manufactured aluminum alloys
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in EngineeringReview of heterostructures in laser-printed aluminum alloys, examining microstructural control mechanisms and mechanical performance for aerospace and engineering applications.
Foam filling improved the performance of SLS polymer lattices
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in EngineeringStudy evaluates SLS polymer lattice architectures with and without polyurethane foam filling, revealing foam integration increases stiffness 40-fold and strength nearly 100% while improving energy.
Several hyperelastic models matched tensile behavior of a thermoplastic elastomer
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in EngineeringStudy evaluates hyperelastic and viscoelastic models for polyurethane thermoplastic elastomer to optimise hot plate welding simulations, finding strain rate effects require viscoelastic formulation.
Bio-inspired Voronoi tubes improved energy absorption
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in EngineeringBio-inspired Voronoi tubular structures replicate luffa sponge architecture for enhanced energy absorption. Parametric design optimization increases specific energy absorption by up to 78%.
Brittle lattice strength depends on loading direction and topology
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in EngineeringMultiscale analysis of tension-compression asymmetry in brittle lattice metamaterials using additive manufacturing, micro-CT imaging, and computational modeling to predict failure mechanisms.
Cable length affects vibration damage in welded connections
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in EngineeringStudy on vibration propagation in ultrasonically welded cable-arrester connections reveals length-dependent joint degradation mechanisms through experimental and finite element analysis.
Sandwich panel anti-explosion performance depends on key material factors
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in EngineeringResearch synthesis on sandwich panel anti-explosion performance, identifying core properties, interfacial bonding, and multi-factor optimization approaches for lightweight blast-resistant structures.
Outer-ligament designs increase stiffness and broaden bandgaps
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in EngineeringNovel auxetic metamaterial designs with enhanced outer ligaments achieve 54.57% higher stiffness and broader elastic bandgaps, resolving traditional trade-offs through geometric optimization.
