Results 81 to 90 of about 980 (183)

Upscaling the Strength Domain of Heterogeneous Cohesive‐Frictional Materials via a General FFT‐Based Limit Analysis Approach

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 127, Issue 12, 30 June 2026.
ABSTRACT Limit analysis and yield design provide a well‐defined mathematical framework for upscaling the strength properties of heterogeneous materials. These techniques can be incorporated into an FFT‐based computational micromechanics framework to evaluate the strength of heterogeneous materials, based on images of their microstructure.
Elodie Donval, Matti Schneider
wiley   +1 more source

Geometry Analysis of Two Photon Polymerized Microneedles—An Experimental and Simulated Approach

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 22, June 10, 2026.
This research investigates the mechanical stability of hollow, two‐photon‐polymerized microneedles for drug delivery. In an experimental setup, a steel stamp gradually compresses 1000 μm‐tall microneedles while recording their force–deformation response.
Cordelia F. Wittemann   +4 more
wiley   +1 more source

Dual‐Programmable Architected Magnetic Soft Materials: Tuning Mechano–Electric Responses by Inverse Design

open access: yesAdvanced Functional Materials, Volume 36, Issue 44, 1 June 2026.
ABSTRACT Materials that can deform, sense, and autonomously generate power in response to wireless magnetic fields, through both magnetic‐actuated shape transformation and charge generation, are an emerging focus in advanced functional materials research.
Zhi Zhao, Xiaojia Shelly Zhang
wiley   +1 more source

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

open access: yesAdvanced Healthcare Materials, Volume 15, Issue 21, 5 June 2026.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi   +7 more
wiley   +1 more source

The Forms and Structures of Chimpanzee Algae Fishing

open access: yesAmerican Journal of Primatology, Volume 88, Issue 6, June 2026.
We use a systematic, multi‐level framework to describe a recently reported chimpanzee tool use behavior—deep‐water algae fishing. Moyen‐Bafing chimpanzees combined 5 Grips and 4 Actions into 22 Techniques. Our data suggest that chimpanzees benefit from maintaining multiple flexible strategies for this dynamic foraging challenge.
Charlotte Wiltshire   +3 more
wiley   +1 more source

Investigation and Analysis of Newton-Cotes Integration Formulas and Errors from Two up to Eight Nodes Using Lagrange Interpolation

open access: yesAmerican Journal of Innovation in Science and Engineering
Much research has been done regarding the Newton Coates method and generally the results that are available are about the trapezoidal method and the Sampson method and not much attention is paid to the higher levels of the Newton Coates method. This article has been written to find out what is the relationship between the high-order Newton-Cotes method
openaire   +1 more source

Design of Two‐Segment Constant‐Force Compliant Mechanisms via Stiffness‐Matched Parallel Integration

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
This work presents a novel design for two‐segment constant‐force compliant mechanisms that achieve dual‐stage zero‐stiffness via stiffness‐matched parallel integration. Experimental results demonstrate constant forces of 4 N and 20 N with less than 5% variation, enabling extended operational ranges for precision applications such as robotic ...
Junfeng Hu, Xiwei Jiang
wiley   +1 more source

Efficient Numerical Framework for Geothermal Energy Production Optimization in Fracture‐Controlled Reservoirs

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 6, Page 709-730, June 2026.
We introduce an efficient open‐source numerical framework for the automated search for the placements of injection and production wells in hot fracture‐controlled reservoirs that sustainably optimize geothermal energy production. We model the reservoirs as discrete fracture networks in 3D. The fluid flow and heat transport in the reservoirs are modeled
Ondřej Pártl, Ernesto Meneses Rioseco
wiley   +1 more source

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