Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Tangney Paul"'
Publikováno v:
E3S Web of Conferences, Vol 544, p 07006 (2024)
It is now viable to use coarse-grained molecular dynamics (CGMD) to model interacting clay particles in simulations of soil mechanics element tests. In CGMD, particle interactions are described by the Gay-Berne (GB) potential, which can approximate t
Externí odkaz:
https://doaj.org/article/6fb90c8f00714f81a0763e08c4d69f50
Autor:
Tangney, Paul
I define the fields that describe electrical macrostructure, and their rates of change, in terms of the microscopic charge density, electric field, electric potential, and their rates of change. To deduce these definitions, I lay some foundations of
Externí odkaz:
http://arxiv.org/abs/2403.13981
Autor:
Tangney, Paul
I present the mathematical structure of classical phonon theory in a general form, which emphasizes the wave natures of phonons, and which can serve as a robust foundation for further development of the theory of strongly interacting phonons. I also
Externí odkaz:
http://arxiv.org/abs/2401.02375
Autor:
Gu, Fangyuan, Tangney, Paul
Publikováno v:
Phys. Rev. B 110, 014307 (2024)
We use molecular dynamics simulations with machine-learned atomistic force fields to simulate photoexcitation of BaTiO3 by a femtosecond laser pulse whose photon energy exceeds the optical gap. We demonstrate selective displacive excitation of cohere
Externí odkaz:
http://arxiv.org/abs/2312.01446
Autor:
Tangney, Paul
The microstate of any degree of freedom of any classical dynamical system can be represented by a point in its two dimensional phase space. Since infinitely precise measurements are impossible, a measurement can, at best, constrain the location of th
Externí odkaz:
http://arxiv.org/abs/2308.02069
We present a series of detailed images of the distribution of kinetic energy among frequencies and wavevectors in the bulk of an MgO crystal as it is heated slowly until it melts. These spectra, which are Fourier transforms of mass-weighted velocity-
Externí odkaz:
http://arxiv.org/abs/2307.10944
Publikováno v:
E3S Web of Conferences, Vol 92, p 14001 (2019)
Geotechnical engineers are well aware that the particle surface chemistry and the pore fluid composition can significantly influence the mechanical behaviour of clay. Reference is often made to the Derjaguin-Landau-Vervey-Overbeek (DLVO) theory, whic
Externí odkaz:
https://doaj.org/article/eeaecbe8d5824123a0b41ba2c3d9c63d
Publikováno v:
In Computers and Geotechnics September 2024 173
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