Search Results for author: Tapio Ala-Nissila

Found 5 papers, 3 papers with code

Adaptive and optimized COVID-19 vaccination strategies across geographical regions and age groups

1 code implementation24 May 2021 Jeta Molla, Alejandro Ponce de León Chávez, Takayuki Hiraoka, Tapio Ala-Nissila, Mikko Kivelä, Lasse Leskelä

We evaluate the efficiency of various heuristic strategies for allocating vaccines against COVID-19 and compare them to strategies found using optimal control theory.

Self-assembly in soft matter with multiple length scales

no code implementations7 Jan 2021 Alberto Scacchi, Sousa Javan Nikkhah, Maria Sammalkorpi, Tapio Ala-Nissila

We develop here a microscopic theoretical model based on effective interactions between the constituents of a soft matter system to explain self-organization both at single and multiple length scales.

Soft Condensed Matter

A minimal Tersoff potential for diamond silicon with improved descriptions of elastic and phonon transport properties

1 code implementation25 Sep 2019 Zheyong Fan, Yanzhou Wang, Xiaokun Gu, Ping Qian, Yanjing Su, Tapio Ala-Nissila

Silicon is an important material and many empirical interatomic potentials have been developed for atomistic simulations of it.

Materials Science Computational Physics

Phase field crystal model for heterostructures

1 code implementation15 Aug 2019 Petri Hirvonen, Vili Heinonen, Haikuan Dong, Zheyong Fan, Ken R. Elder, Tapio Ala-Nissila

We extensively benchmark the model for two-dimensional binary systems in terms of their elastic properties and phase boundary configurations and their energetics.

Mesoscale and Nanoscale Physics

Influence of Boundaries and Thermostatting on Nonequilibrium Molecular Dynamics Simulations of Heat Conduction in Solids

no code implementations27 May 2019 Zhen Li, Shiyun Xiong, Charles Sievers, Yue Hu, Zheyong Fan, Ning Wei, Hua Bao, Shunda Chen, Davide Donadio, Tapio Ala-Nissila

Conventionally, the thermal conductivity of a finite system is calculated as the ratio between the heat flux and the temperature gradient extracted from the linear part of the temperature profile away from the local thermostats.

Mesoscale and Nanoscale Physics Statistical Mechanics Computational Physics

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