نتایج جستجو برای: track stiffness variations

تعداد نتایج: 291065  

Journal: :Geomechanics for Energy and the Environment 2022

The present work investigates the desiccation effects on a lime-treated silty clay. Original experimental techniques have been developed to control suction conditions (with osmotic technique), track volume variations and cracks occurrence upon drying. Free constrained desiccations are performed evaluate shrinkage potential (for free drying) of crack triggering (upon drying). Also, indirect tens...

Journal: :Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 2016

Journal: :Mechanical Systems and Signal Processing 2021

We propose to combine a physics-based finite element (FE) track model and data-driven Gaussian process regression (GPR) directly infer railpad ballast stiffness from measured frequency response functions (FRF) by field hammer tests. Conventionally, only the rail resonance full are used as FRF features identify stiffness. In this paper, eleven features, including sleeper resonances, single curve...

Journal: :American journal of physiology. Cell physiology 2010
Chan Young Park Dhananjay Tambe Adriano M Alencar Xavier Trepat En Hua Zhou Emil Millet James P Butler Jeffrey J Fredberg

Cell mechanical properties on a whole cell basis have been widely studied, whereas local intracellular variations have been less well characterized and are poorly understood. To fill this gap, here we provide detailed intracellular maps of regional cytoskeleton (CSK) stiffness, loss tangent, and rate of structural rearrangements, as well as their relationships to the underlying regional F-actin...

2017
P. Venkata Giri Kumar Sudheer Deshpande Aniruddha Joshi Pooja More H.R. Nagendra

BACKGROUND The variations in Tridoshas are the basis for disease diagnosis and treatment in Ayurveda. The doshas are assessed by sensing the pulse manually with fingers which depends on skill of the physician. There is a need to measure doshas using instruments and study them objectively. OBJECTIVE Arterial stiffness is well established pulse parameter in modern medicine and is closely associ...

2016
Ritesh Sachan Eva Zarkadoula Maik Lang Christina Trautmann Yanwen Zhang Matthew F. Chisholm William J. Weber

We report on unexpected dramatic radial variations in ion tracks formed by irradiation with energetic ions (2.3 GeV (208)Pb) at a constant electronic energy-loss (~42 keV/nm) in pyrochlore-structured Gd2TiZrO7. Though previous studies have shown track formation and average track diameter measurements in the Gd2TixZr(1-x)O7 system, the present work clearly reveals the importance of the recrystal...

Journal: :International Journal of Geomechanics 2021

Abstract Railway ballasted track stiffness is an important indicator to identify supporting condition that ensures the facility well designed and functioned. Although many studies have been...

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