Articles with "back calculation" as a keyword



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Estimation of infection density and epidemic size of COVID-19 using the back-calculation algorithm

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Published in 2020 at "Health Information Science and Systems"

DOI: 10.1007/s13755-020-00122-8

Abstract: The novel coronavirus (COVID-19) is continuing its spread across the world, claiming more than 160,000 lives and sickening more than 2,400,000 people as of April 21, 2020. Early research has reported a basic reproduction number… read more here.

Keywords: infection; back calculation; size covid; covid ... See more keywords
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Numerical prediction and back-calculation of time-dependent behaviour of Ballina test embankment

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Published in 2018 at "Computers and Geotechnics"

DOI: 10.1016/j.compgeo.2017.05.026

Abstract: Abstract The paper describes the Class A prediction and Class C back-calculations of the Ballina test embankment using the finite element program Plaxis and the Soft Soil Creep Model (SSCM). The prediction underestimated the measured… read more here.

Keywords: test embankment; ballina test; prediction; back calculation ... See more keywords
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Back-Calculation of Elastic Modulus of High Liquid Limit Clay Subgrades Based on Viscoelastic Theory and Multipopulation Genetic Algorithm

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Published in 2020 at "International Journal of Geomechanics"

DOI: 10.1061/(asce)gm.1943-5622.0001841

Abstract: Abstract This paper presents a new model for modulus back-calculation for high liquid limit clay subgrades. In this model, the viscoelasticity theory is employed to describe the displacement hyster... read more here.

Keywords: modulus; liquid limit; back calculation; limit clay ... See more keywords
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A new proportionality-based back-calculation approach, which employs traditional forms of growth equations, improves estimates of length at age

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Published in 2017 at "Canadian Journal of Fisheries and Aquatic Sciences"

DOI: 10.1139/cjfas-2016-0409

Abstract: The performance of a new proportionality-based back-calculation approach, describing the relationship among length, otolith size, and age using traditional growth curves and assuming a bivariate distribution of deviations from those curves, was evaluated. Cross-validation was… read more here.

Keywords: proportionality; proportionality based; age; back calculation ... See more keywords

Research on the Combination of Firefly Intelligent Algorithm and Asphalt Material Modulus Back Calculation

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Published in 2022 at "Materials"

DOI: 10.3390/ma15093361

Abstract: The modulus of asphalt pavement material is a necessary parameter for the design, strength measuring and stability evaluation of asphalt pavement. To get more precise test data for asphalt pavement material modulus, a new modulus… read more here.

Keywords: algorithm; material; back calculation; modulus back ... See more keywords

Investigation of Error Distribution in the Back-Calculation of Breakage Function Model Parameters via Nonlinear Programming

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Published in 2021 at "Minerals"

DOI: 10.3390/min11040425

Abstract: Despite its effectiveness in determining breakage function parameters (BFPs) for quantifying breakage characteristics in mineral grinding processes, the back-calculation method has limitations owing to the uncertainty regarding the distribution of the error function. In this… read more here.

Keywords: breakage function; back calculation; breakage; distribution ... See more keywords