نتایج جستجو برای: triaxial testing

تعداد نتایج: 340509  

Journal: :Astronomy and Astrophysics 2022

In the past 15 years, triaxial Schwarzschild orbit-superposition code by van den Bosch et al. (2008) has been widely applied to study dynamics of galaxies. Recently, Quenneville (2022) reported a bug in orbit calculation this code, specifically mirroring procedure that is used speed up computation. We have fixed incorrect DYNAMITE, which publicly-released successor (2008). study, we provide tho...

Journal: :Review of Scientific Instruments 2023

Although restricted by a limited range of strain, the triaxial compression test is mature and common technique for investigating rheological properties rock materials at high pressures temperatures, especially when establishing constitutive equations various flow laws. The Paterson gas-medium high-pressure high-temperature mechanical testing apparatus (Paterson apparatus) best due to its stress...

2010
Yuxiang Zhang Liuyi Ma Tongda Zhang Fuhou Xu

This paper studied the method for motion tracking of arm using triaxial accelerometer, triaxial gyroscope and electronic compass. The motion model of arm is established. The hardware of tracking system of arm is designed. The track method of arm gesture based on multi-sensors data fusion is analyzed. The compensation algorithm for motion accelerations is researched. The experimental results dem...

Journal: : 2022

The paper describes the mechanisms and conditions for damage-memory effect (Kaiser effect) in rocks subjected to a three-dimensional nonproportional cyclic loading with changes rocks' shape orientation of Lam-ellipsoid. experiments cubic samples taken from polymictic sandstone were conducted on Triaxial Independent Loading Testing System continuous recording an acoustic emission signals. result...

Journal: :Nano letters 2011
Keith A Brown Robert M Westervelt

We show that a triaxial atomic force microscopy probe creates a noncontact trap for a single particle in a fluid via negative dielectrophoresis. A zero in the electric field profile traps the particle above the probe surface, avoiding adhesion, and the repulsive region surrounding the zero pushes other particles away, preventing clustering. Triaxial probes are promising for three-dimensional as...

2008
Hanming Wang Mark Frey Tom Barber Aria Abubakar Tarek Habashy

We developed a three-dimensional finite-difference codes which can simulate the fully triaxial induction tool in a stratified, cross-bedded anisotropic formation. The sensitivity of the fully triaxial induction measurements in cross-bedded anisotropic formation is studied for the first time. The results show that the tensor measurements are sensitive to the formation resistivity anisotropy, for...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2001
J Rottler M O Robbins

Shear yielding of glassy polymers is usually described in terms of the pressure-dependent Tresca or von Mises yield criteria. We test these criteria against molecular dynamics simulations of deformation in amorphous polymer glasses under triaxial loading conditions that are difficult to realize in experiments. Difficulties and ambiguities in extending several standard definitions of the yield p...

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