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Author: nicos martys

Displaying records 21 to 30 of 67 records.
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21. Virtual Testing of Cement and Concrete
Published: 5/10/2006
Authors: Dale P Bentz, Edward Joseph Garboczi, Jeffrey W Bullard, Chiara F Ferraris, Nicos Martys, Paul E Stutzman
Abstract: Concrete is a unique multi-phase, random, complex, and composite material that provides both strength and impermeability to engineered structures. Unlike most construction materials, the properties of concrete continue to develop over time and in pl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860546

22. Study of a Dissipative Particle Dynamics Based Approach for Modeling Suspensions.
Published: 12/1/2005
Author: Nicos Martys
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101143

23. A BBGKY-based density gradient approximation of interparticle forces: Application for discrete Boltzman methods
Published: 10/26/2005
Author: Nicos Martys
Abstract: The force term accounting for intermolecular interactions, with application to discrete Boltzmann simulation methods, is derived directly using a density gradient expansion of the BBGKY collision operator. It is shown that previous calculations, bas ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860585

24. Cross-Property Correlations and Permeability Estimation in Sandstone
Published: 10/26/2005
Authors: C H Arns, M A Knackstedt, Nicos Martys
Abstract: Results from a numerical study examining the cross-property correlations linking fluid permeability to conductive properties and to a number of pore size parameters based on 3D digitized images of sedimentary rock are presented. In particular we foc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860604

25. Study of a Dissipative Particle Dynamics Based Approach for Modeling Suspensions
Published: 4/1/2005
Author: Nicos Martys
Abstract: In this paper, a dissipative particle dynamics (DPD)-based approach for modeling suspensions is examined. A series of tests are applied comparing simulation results to well established theoretical predictions. The model recovers the dilute limit in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860563

26. Breakup of a Fluid Thread in a Confined Geometry: Droplet-Plug Transition Perturbation Sensitivity and Kinetic Stabilization With Confinement .
Published: 12/1/2004
Authors: J G Hagedorn, Nicos Martys, J F Douglas
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100856

27. La Rheologie des Materiaux Cimentaires. [The Rheology of Cementitious Materials].
Published: 12/1/2004
Authors: Robert J Flatt, Nicos Martys, L Bergstrom
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100863

28. Rheology of Cementitious Materials.
Published: 12/1/2004
Authors: Robert J Flatt, Nicos Martys, L Bergstrom
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100857

29. Simulation of Sheared Suspensions With a Parallel Implementation of QDPD.
Published: 12/1/2004
Authors: J S Sims, Nicos Martys
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100860

30. Virtual Permeametry on Microtomographic Images.
Published: 12/1/2004
Authors: C H Arns, M A Knackstedt, W V Pinczewski, Nicos Martys
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101121