Results 151 to 160 of about 209 (201)
Advanced Materials, EarlyView.Stacked nanoflake assembly (SNA) membranes can oscillate autonomously, offering opportunities for soft actuation and energy harvesting. This work uncovers the physical mechanism behind the sustained oscillation of SNA membranes in gradient humidity and identifies three governing dimensionless parameters, enabling rational design for optimizing SNA ...
Zijing Zhang +5 more
wiley +1 more source
Meniscus‐Guided Interfacial Ring‐by‐Ring Assembly for In Situ Fabrication of Tubular Hydrogels
Advanced Materials, EarlyView.A tubular hydrogel fabrication method leveraging the meniscus effect at the oil‐water interface is presented. UV irradiation across the concave surface of the photocurable hydrogel precursor induces the formation of ring‐like hydrogel structures. Sequential ring‐by‐ring assembly within microchannels enables the construction of arteriole‐scale hydrogel ...
Yuki Kamiya +2 more
wiley +1 more source
Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?
Advanced Materials, EarlyView.This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
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SCALED BOUNDARY FINITE ELEMENT METHOD FOR ACOUSTICS
Journal of Computational Acoustics, 2006When studying unbounded wave propagation phenomena, the Sommerfeld radiation condition has to be fulfilled. The artificial boundary of a domain discretized using standard finite elements produces errors. It reflects spurious energy back into the domain. The scaled boundary finite element method (SBFEM) overcomes this problem.
Lehmann, L., Langer, S., Clasen, D.
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The scaled boundary finite-element method – a primer: derivations
Computers and Structures, 2000Abstract The scaled boundary finite-element method is a semi-analytical fundamental-solution-less boundary-element method based solely on finite elements. Using the simplest wave propagation problem and discretizing the boundary with a two-node line finite element, which preserves all essential features, two derivations of the scaled boundary finite ...
Chongmin Song, John P Wolf
exaly +3 more sources
Stress recovery and error estimation for the scaled boundary finite-element method
International Journal for Numerical Methods in Engineering, 2002AbstractThe scaled boundary finite‐element method is a novel semi‐analytical technique, combining the advantages of the finite element and the boundary element methods with unique properties of its own. This paper develops a stress recovery procedure based on a modal interpretation of the scaled boundary finite‐element method solution process, using ...
Andrew John Deeks
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The scaled boundary finite-element method – a fundamental solution-less boundary-element method
Computer Methods in Applied Mechanics and Engineering, 2001It is well-known that the usage of a fundamental solution permits in the boundary element method to reduce the dimension of spatial discretization by one. Another striking feature of the boundary element method is that the radiation condition at infinity is satisfied exactly when modeling unbounded media.
Wolf, J.P., Song, Ch.
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International Journal for Numerical Methods in Engineering, 1999
Summary: The scaled boundary finite element method, alias the consistent infinitesimal finite element cell method, is developed starting from the diffusion equation. Only the boundary of the medium is discretized with surface finite elements yielding a reduction of the spatial dimension by one. No fundamental solution is necessary, and thus no singular
Song, Ch., Wolf, J.P.
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Summary: The scaled boundary finite element method, alias the consistent infinitesimal finite element cell method, is developed starting from the diffusion equation. Only the boundary of the medium is discretized with surface finite elements yielding a reduction of the spatial dimension by one. No fundamental solution is necessary, and thus no singular
Song, Ch., Wolf, J.P.
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An Adaptive Polygonal Scaled Boundary Finite Element Method for Elastodynamics
International Journal of Computational Methods, 2016An adaptive polygonal scaled boundary finite element method (APSBFEM) is developed for elastodynamics. Flexible polygonal meshes are generated from background Delaunay triangular meshes and used to calculate structure’s dynamic responses. In each time step, a posteriori-type energy error estimator is employed to locate the polygonal subdomains with ...
Zhang, Z. H., Yang, Z. J., Li, J. H.
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Computer Methods in Applied Mechanics and Engineering, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Song, Ch., Wolf, J.P.
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Song, Ch., Wolf, J.P.
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