Results 201 to 210 of about 350,436 (291)

A Probabilistic Cut Finite Element Method With Random Field Generator and Bayesian Model Calibration for Flow Through Rough Cracks

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT A new model for the simulation of fluid flow through rough cracks is presented. The model combines a probabilistic cut finite element method (PCutFEM) to capture the unfitted boundary condition at the fluid interface, with a stochastic random field generator to represent the crack asperities.
Brubeck Lee Freeman   +5 more
wiley   +1 more source

Internal and External Sources of Nonprofit Innovativeness: A Configurational Approach

open access: yesNonprofit Management and Leadership, EarlyView.
ABSTRACT Using a configurational approach, this research explores how the complex interrelationships among four organizational factors—board size, board involvement, centralization, and government funding—influence organizational innovation. Based on survey and archival data from 44 U.S.
Jiawei Sophia Fu   +2 more
wiley   +1 more source

Artificial intelligence approaches for tumor phenotype stratification from single-cell transcriptomic data. [PDF]

open access: yesElife
Bhattacharya N   +16 more
europepmc   +1 more source

Retrieving the propagation velocity of electromagnetic waves in a two‐layered medium through diffraction curves

open access: yesNear Surface Geophysics, EarlyView.
Abstract This paper addresses the problem of retrieving the propagation velocities of electromagnetic waves in a non‐homogeneous soil made up of two layers separated by a not‐flat interface. The propagation velocities are estimated from GPR data gathered at the air–soil interface in common offset configuration.
Raffaele Persico   +6 more
wiley   +1 more source

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