Results 111 to 120 of about 22,087 (289)

Measurement and analysis of moment of inertia using torsional pendulum method with air damping consideration

open access: yesJixie qiangdu
ObjectiveTo address the issue of accuracy degradation caused by aerodynamic damping when measuring the moment of inertia of irregular specimens with large airfoil surfaces using the torsional pendulum method, a compensation approach based on drag ...
MA Weiping   +3 more
doaj   +2 more sources

Energy-Based Design for the Seismic Improvement of Historic Churches by Nonlinear Modelling

open access: yesBuildings
This study investigates the seismic retrofit of historic single-nave churches through the optimization of roof diaphragms designed to enhance energy dissipation.
Nicola Longarini   +3 more
doaj   +1 more source

Methods for modal parameters identification applied to CNC machine tool feed drives

open access: yes
The paper presents a critical appraisal of existing methods for the identification of modal parameters (natural frequencies, damping ratios and mode shapes) for CNC machine tool feed drives.
Widiyarto, Muhammad Helmi Nur   +3 more
core  

A Time-Domain Viscous Damping Model Based on Frequency-Dependent Damping Ratios

open access: yes, 2013
This paper introduces the mathematics and procedures used in developing a time-dependent damping model for integration analyses of structural response.
Chang, Der-Wen   +1 more
core   +1 more source

Advanced Technologies for Characterizing and Detecting Battery Thermal Failure: A Review

open access: yesAdvanced Science, EarlyView.
Illustration of advanced characterization techniques to predict battery thermal failure. ABSTRACT Energy storage is essential in accelerating the global transition toward clean and sustainable energy across various sectors. Lithium‐ion batteries (LIBs) have become increasingly significant for energy storage due to their high energy density, low ...
Yongxiu Chen   +5 more
wiley   +1 more source

Experimental investigation of two-degree-freedom VIV of circular cylinder with low equivalent mass and variable natural frequency ratio

open access: yes, 2013
This contribution looks at an experimental investigation of two-degree-freedom VIV of circular cylinder with low equivalent mass and variable natural frequency ...
Day, Alexander   +5 more
core   +1 more source

Bioinspired Morphology‐Decoupled Soft Gripper with Enhanced Bidirectional Grasping Capability

open access: yesAdvanced Science, EarlyView.
Inspired by biological predation, a novel gripper decouples cross‐modal grasping via dual morphological configurations. Synergistically integrating hybrid rigid and soft coupled fingers with a metamaterial palm, the system performs active compliant grasping for static objects and passive cage capture for dynamic targets.
Yedong Huang   +4 more
wiley   +1 more source

Design and Hysteretic Performance Analysis of a Novel Multi-Layer Self-Centering Damper with Shape Memory Alloy

open access: yesBuildings
This paper presented the development process of a novel multi-layer self-centering damper utilizing a NiTi shape memory alloy (SMA) with remarkable superelastic properties.
Hua Zhang   +3 more
doaj   +1 more source

Synchronization‐Dissipation in the Cardiorespiratory System

open access: yesAdvanced Science, EarlyView.
By modeling central nervous coupling and viscoelastic interactions in the cardiorespiratory system we show that synchronization produces a 10% gain in cardiac efficiency in humans. It is surmised that respiratory sinus arrhythmia improves cardiac pumping efficiency by reducing dynamic stress and power dissipation in the pulmonary vasculature.
Joshua R. Border   +3 more
wiley   +1 more source

Photodynamic Priming and Minocycline Overcome Chemoresistance by Reprogramming the Pancreatic Tumor Immune Microenvironment In Vivo

open access: yesAdvanced Science, EarlyView.
Dual priming with minocycline and photodynamic priming reprograms the pancreatic tumor microenvironment to overcome chemoresistance. By suppressing DNA repair enzyme Tdp1, inducing photooxidative damage, and enhancing irinotecan delivery via light‐activated nanoencapsulation, this strategy remodels the tumor microenvironment and drives immune ...
Fernanda V. Cabral   +7 more
wiley   +1 more source

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