Results 201 to 210 of about 13,699 (264)
Advances in Floating Solar Desalination Systems
This review critically classifies floating solar desalination systems into five main categories and compares their thermal performance, productivity and technological limitations. Membrane‐based and multieffect systems showed the highest efficiencies, while traditional designs remain limited by heat losses and scaling.
Daiane Silva de Abreu Benedito +4 more
wiley +1 more source
Evolution of N‐terminal mechanical lability as a determinant for Type III secretion
Abstract Many Gram‐negative pathogens critically depend on the Type III secretion system (T3SS) to inject effector proteins into host cells for colonization. Because the channel of the T3SS is narrow (~2 nm), effectors must be unfolded for secretion.
Katherine E. DaPron +7 more
wiley +1 more source
ABSTRACT Background Conventional laparoscopic instruments provide limited dexterity in confined anatomical environments, whereas existing articulated designs rely on complex rigid joints or motorised actuation, increasing mechanical complexity and limiting miniaturisation.
Prabhat Kumar, Bhallamudi Ravi
wiley +1 more source
Hybrid Equilibrium Element Formulation for Large Displacement Nonlinear Elasticity
ABSTRACT The present paper proposes an equilibrium‐based finite element formulation for the analysis of large displacement and large strain nonlinear elasticity problems. The proposed formulation is based on the Hybrid Equilibrium Element (HEE) and is developed in an updated Lagrangian framework.
Francesco Parrinello +2 more
wiley +1 more source
Surface and Boundary Corrections in Peridynamics Using Optimized Nodal Influence Weights
ABSTRACT Peridynamics (PD), similarly to some other nonlocal continuum theories, exhibits truncated interaction horizons near free surfaces, cracks, and voids in bounded domains. This loss of neighbors causes artificial surface effects and inconsistencies in the derivative and energy operators that persist under discretization refinement, limiting PD ...
Arman Shojaei +5 more
wiley +1 more source
A Bimodal Approach to Broadband Vibration Energy Harvesting Using Hybrid Piezoelectric-Electromagnetic Transduction. [PDF]
Jia G, Zhou Q, Zhao H.
europepmc +1 more source
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Shear Beam Loads and Cantilever Beam-Columns
2018A basic problem with external beam shear Q load at a given position has close similarities to the case of external moments in this chapter, but the involved Berry functions (now with bar notation) are more complicated. In addition to rotational spring supports at the beam-column ends, translational spring support is included at the right beam end ...
Wiggers, Sine Leergaard, Pedersen, Pauli
openaire +2 more sources
Forced Damping Vibration of a Cantilever Beam
Sensors and Microsystems, 2008Forced damping vibration strategies have a paramount relevance in all those cases where surface vibrations represent disturbances. Knowing that surfaces show different resonant modes of vibration related to their geometry we have selected a cantilever beam that has only one principal resonant frequency.
Lo Castro, F, BISEGNA, PAOLO
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