Results 21 to 30 of about 12,299 (255)

Scaling of viscous shear zones with depth-dependent viscosity and power-law stress–strain-rate dependence [PDF]

Geophysical Journal International, 2015
One of the unresolved questions concerning fault deformation is the degree and cause of localization of shear at depth beneath a fault. Geologic observations of exhumed shear zones indicate that while the motion is no longer planar, it can still be localized near the down-dip extension of the fault; however, the degree of localization is uncertain.
Moore, J, Parsons, B
openaire   +1 more source

Rapid Assessment of Relative Hemolysis Amidst Input Uncertainties in Laminar Flow

Fluids
Predicting absolute values of hemolysis using the power law model to guide medical device design is hampered by uncertainties stemming from four sources of model inputs: incoming/upstream velocity profiles, blood viscosity models, power law hemolysis ...
Nasim Gholizadeh, Ryan Wang, Gayatri Gautham, Gautham Krishnamoorthy   +3 more
doaj   +1 more source

An Investigation of Stress and Deformation Behavior of Functionally Graded Timoshenko Beams subjected to Thermo-Mechanical Load [PDF]

Mechanics of Advanced Composite Structures, 2020
A functionally graded material beam with generalized boundary conditions is contemplated in the present study in order to examine the deformation and stress behavior under thermal and thermo-mechanical load.
Deepak Mahapatra, Shubhashis Sanyal, Shubhankar Bhowmick   +2 more
doaj   +1 more source

Power-law generalization of Newton’s formula for shear stress in a liquid in the form of a tensor rheological relation

Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2022
A generalization of Newton’s formula for the shear stress in a fluid is carried out by giving it a power-law form and the corresponding rheological relation is written in tensor form. Depending on the exponent in this rheological ratio, one can come to a description of either a laminar or turbulent flow regime.
openaire   +2 more sources

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

Advanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares, Nadège Bouchonneau, Christian Jochum, Donald Radford   +3 more
wiley   +1 more source

Experimental study and modeling of hydromechanical behavior of concrete fracture

Water Science and Engineering, 2017
In this study, the hydromechanical behavior of a concrete fracture under coupled compressive and shear stresses was investigated. A special experimental device was designed to create a planar fracture in a cylindrical sample and to carry out different ...
He Yang, Shou-yi Xie, Jean Secq, Jian-fu Shao   +3 more
doaj   +1 more source

Elastic–Plastic Modeling and Experimental Characterization of Granular Jamming Actuators

Advanced Engineering Materials, EarlyView.
Granular jamming enables rapid switching between soft and rigid mechanical states. Here, a reduced‐order elastic‐perfectly‐plastic beam framework captures pressure‐dependent loading, unloading, residual deformation, and hysteresis in jammed beams, while matching three‐point bending experiments across materials and geometries. The framework links design
Saheli Patel, Prashant K. Purohit, Jordan R. Raney   +2 more
wiley   +1 more source

Theoretical and computational investigation of optimal wall shear stress in bifurcations: a generalization of Murray’s law

Scientia Iranica, 2017
In this study, the optimal distribution of Wall Shear Stress (WSS) in a bifurcation and its effect on the morphology of blood vessels were investigated. The optimal WSS was obtained through minimization of energy loss due to friction and metabolic consumption. It was shown that the optimal WSS is a function of metabolic rate, fluid properties, diameter,
Matin Golozar, Mohammad Sayed Razavi, Ebrahim Shirani   +2 more
openaire   +1 more source

Gradient‐Conductivity Architecture Enables Synchronous Enhancement of Sensitivity and Detection Range in Multifunctional All‐Paper Sensors

Advanced Functional Materials, EarlyView.
A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li, Jun Xu, Dezhong Xu, Zhaohui Zhang, Jiyi Li, Daxian Cao, Kefu Chen, Mizi Fan   +7 more
wiley   +1 more source

Particle flow simulation of staggered joint rock by direct shear tests

Shuili Shuiyun Gongcheng Xuebao, 2018
Based on the particle flow code (PFC), a geometric model for simulating the failure mechanism of the rock specimen with staggered joints was developed in the study, and the macro mechanical parameters of the specimens were calibrated. On the basis of the
HUAN Jiuyang, ZHANG Zhiqiang, LI Ning
doaj   +1 more source