نتایج جستجو برای: mechanistic empirical

تعداد نتایج: 247466  

2007
Animesh Das

The concept of rational pavement design for design of bituminous pavement was conceived during the 1960s (Dorman 1962, Monismith et al. 1961). Its upgraded version is known as Mechanistic-Empirical (M-E) pavement design, and is at present popularly being used for design of bituminous pavements in various countries. A number of pavement design guidelines (Austroads 2004, French 1997, IRC:37 2001...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2012
Mafeni S Ramatsoma Evans M N Chirwa

Computerised interpolation algorithms as well as the empirical model for analysing the flocculent settling data were developed. A mechanistic semi-empirical model developed from fundamental physical principles of a falling particle in a viscous fluid was tested against actual flocculation column data. The accuracy of the mechanistic model was evaluated using the sum of the squared errors betwee...

2005
Sunghwan Kim

Many agencies use the AASHTO Guide for Design of Pavement Structures to design their pavement systems. The limitation inherent in this method is the empirical nature of the decision process, which was derived from a road test conducted almost 45 years ago in Ottawa, Illinois. The newly released Mechanistic-Empirical Pavement Design Guide (MEPDG), based on NCHRP Study 1-37A, has adopted a mechan...

Journal: :Studies in history and philosophy of science 2010
William Bechtel Adele Abrahamsen

We consider computational modeling in two fields: chronobiology and cognitive science. In circadian rhythm models, variables generally correspond to properties of parts and operations of the responsible mechanism. A computational model of this complex mechanism is grounded in empirical discoveries and contributes a more refined understanding of the dynamics of its behavior. In cognitive science...

2017
Sunghwan Kim Kasthurirangan Gopalakrishnan Halil Ceylan

Rubblization is considered one of the sustainable surface preparation techniques before placing a hot mix asphalt (HMA) overlay that involves breaking the concrete pavement into pieces. The design of the structural overlay thickness for rubblized projects is difficult as the resulting structure is neither a true rigid pavement nor a true flexible pavement. The most important aspect of the desig...

Journal: :CoRR 2017
Jake Ryland Williams Giovanni C. Santia

For words, rank-frequency distributions have long been heralded for adherence to a potentiallyuniversal phenomenon known as Zipf’s law. The hypothetical form of this empirical phenomenon was refined by Ben̂ıot Mandelbrot to that which is presently referred to as the Zipf-Mandelbrot law. Parallel to this, Herbert Simon proposed a selection model potentially explaining Zipf’s law. However, a signi...

Journal: :The New phytologist 2013
Nate G McDowell Rosie A Fisher Chonggang Xu J C Domec Teemu Hölttä D Scott Mackay John S Sperry Amanda Boutz Lee Dickman Nathan Gehres Jean Marc Limousin Alison Macalady Jordi Martínez-Vilalta Maurizio Mencuccini Jennifer A Plaut Jérôme Ogée Robert E Pangle Daniel P Rasse Michael G Ryan Sanna Sevanto Richard H Waring A Park Williams Enrico A Yepez William T Pockman

SUMMARY Model-data comparisons of plant physiological processes provide an understanding of mechanisms underlying vegetation responses to climate. We simulated the physiology of a piñon pine-juniper woodland (Pinus edulis-Juniperus monosperma) that experienced mortality during a 5 yr precipitation-reduction experiment, allowing a framework with which to examine our knowledge of drought-induced ...

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