P
Peter Randall Schunk
Researcher at Sandia National Laboratories
Publications - 10
Citations - 152
Peter Randall Schunk is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Coating & Length scale. The author has an hindex of 5, co-authored 10 publications receiving 144 citations. Previous affiliations of Peter Randall Schunk include University of New Mexico.
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GOMA - A full-Newton finite element program for free and moving boundary problems with coupled fluid/solid momentum, energy, mass, and chemical species transport: User`s guide
TL;DR: GOMA as discussed by the authors is a finite element program for modeling and analysis of manufacturing processes, particularly those involving free or moving interfaces, which is based on the premise that any boundary can be (1) moving or free, with an apriori unknown position dictated by the distinguishing physics, (2) fixed, according to a global analytical representation, or (3) moving in time and space under user-prescribed kinematics.
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Mesoscale hydrodynamics via stochastic rotation dynamics: comparison with Lennard-Jones fluid.
Matt K. Petersen,Jeremy B. Lechman,Steven J. Plimpton,Gary S. Grest,Pieter J. in 't Veld,Peter Randall Schunk +5 more
TL;DR: It is demonstrated how to apply the Müller-Plathe reverse perturbation method for determining the shear viscosity of the SRD fluid and discussed how finite system size and momentum exchange rates effect the measured viscosities.
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Performance of mesoscale modeling methods for predicting rheological properties of charged polystyrene/water suspensions
Peter Randall Schunk,Flint Pierce,Jeremy B. Lechman,Anne Grillet,P. J. in’t Veld,H. Weiss,C. Stoltz,David R. Heine +7 more
TL;DR: In this paper, the authors compare stochastic rotation dynamics (SRD), fast lubrication dynamics (FLD), and dissipative particle dynamics (DPD) methods of including solvent hydrodynamics against each other and against experimental data.
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Finite element analysis of multicomponent two‐phase flows with interphase mass and momentum transport
TL;DR: In this article, the application of the finite element method to multiphase flow problems with interphase mass and heat transfer is described, and a general forinulation is used that determines the position of the interfacial boundary and allows for multiple solvents, differential volatilities and concentration-and temperature-dependent thermophysical properties.
ReportDOI
Nanomanufacturing : nano-structured materials made layer-by-layer.
James V. Cox,Shengfeng Cheng,Gary S. Grest,Kristianto Tjiptowidjojo,Earl David Reedy,Hongyou Fan,Peter Randall Schunk,Michael Chandross,Scott A. Roberts +8 more
TL;DR: In this article, the authors focus on a promising imprinting process currently being commercialized, which is designed to perform the requisite R and D to bring Sandia's technology base in computational mechanics to bear on this scale-up problem.