Results 11 to 20 of about 7,888,974 (327)
Micro mechanics of isotropic normal compression [PDF]
Géotechnique Letters, 2013 Discrete element modelling has been used to investigate the micro mechanics of isotropic normal compression. One-dimensional (1D) normal compression has previously been modelled in three dimensions using an oedometer and a large number of particles and without the use of agglomerates, and it was shown that the compression index was solely related to ...
McDowell, Glenn R. +3 more
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Materials & Design, 2021 In the field of bone implantation, there is a large demand for isotropic lattice with appropriate mechanical properties and porosity. Two isotropic lattice structure design and anisotropy control strategies are proposed in this work.
Jiawei Feng +3 more
doaj +2 more sources
Stationary property of normal-incidence reflection from isotropic surfaces [PDF]
Journal of the Optical Society of America, 1982 The complex reflection coefficients for the parallel (p) and perpendicular (s) polarizations of light that are normally incident upon an isotropic surface are proved to be stationary with respect to small changes of the angle of incidence in the neighborhood of zero.
Azzam, R. M.A.
core +4 more sources
A transversely isotropic medium with a tilted symmetry axis normal to the reflector [PDF]
Geophysics, 2010 Abstract The computational tools for imaging in transversely isotropic media with tilted axes of symmetry (TTI) are complex and in most cases do not have an explicit closed-form representation. Developing such tools for a TTI medium with tilt constrained to be normal to the reflector dip (DTI) reduces their complexity and allows for ...
Alkhalifah, Tariq Ali, Sava, Paul C.
openaire +3 more sources
Isotropic 3D nuclear morphometry of normal, fibrocystic and malignant breast epithelial cells reveals new structural alterations. [PDF]
PLoS ONE, 2012 Grading schemes for breast cancer diagnosis are predominantly based on pathologists' qualitative assessment of altered nuclear structure from 2D brightfield microscopy images.
Vivek Nandakumar +8 more
doaj +2 more sources
Normal Waves in an Electromagnetic Metachiral Isotropic Medium with Losses [PDF]
Russian Physics Journal, 2020 Plane electromagnetic waves in an isotropic absorbing chiral medium (chiral metamaterial) are considered. A system of constitutive Drude - Born - Fedorov relations with complex values of the dielectric permittivity, magnetic permeability, and the chirality parameter is used. A distinction is made between forward and backward normal waves by introducing
Fisanov, V. V.
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Multiplet coupling of the normal modes of an elliptical, transversely isotropic earth [PDF]
Geophysical Journal International, 1989 SUMMARY The formula is given for the perturbation matrix elements representing the coupling of normal modes due to ellipticity and boundary perturbations of a transversely isotropic earth.
I. Henson
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IsoBN: Fine-Tuning BERT with Isotropic Batch Normalization
Proceedings of the AAAI Conference on Artificial Intelligence, 2021 Fine-tuning pre-trained language models (PTLMs), such as BERT and its better variant RoBERTa, has been a common practice for advancing performance in natural language understanding (NLU) tasks. Recent advance in representation learning shows that isotropic (i.e., unit-variance and uncorrelated) embeddings can significantly improve performance on ...
Wenxuan Zhou 0002 +2 more
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Isotropic Topological Second-Order Spatial Differentiator Operating in Transmission Mode [PDF]
Conference on Lasers and Electro-Optics, 2021 We design a topological differentiator that operates isotropically in transmission mode at normal incidence. The device exhibits an optical transferfunction with a symmetry-protected, topological charge of ±2 and performs second-order differentiation.
Olivia Y. Long +3 more
semanticscholar +1 more source
Advances in Mechanical Engineering, 2023 Aiming at the problem that the current isotropic virtual material-based modeling method for dynamic modeling of sliding joints can hardly reflect the difference between normal and tangential mechanical properties, which restricts the modeling quality, a ...
Yichu Fan +4 more
doaj +1 more source