Search Results - computational geometry and object modeling—((physically OR physical) OR physics)-based modeling

Modeling of compact stars: an anisotropic approach by Das, Shyam, Singh, Ksh. Newton, Baskey, Lipi, Rahaman, Farook, Aria, Anil K.

“…We present here a new class of singularity free interior solutions relevant for the description of realistic anisotropic compact stellar objects with spherically symmetric matter distribution…”
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Fluid–structure interaction involving dynamic wetting: 2D modeling and simulations by Liu, Hao-Ran, Gao, Peng, Ding, Hang

“…In this paper, we propose a hybrid model to compute the capillary force acting on moving solid objects, and combine it with the diffuse-interface immersed-boundary method in Liu and Ding (2015) [18] to simulate fluid…”
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Assessment of 1-D Channel Flow Models for Tritium Breeding Blanket Cooling by Gehrig, Monica L., Humrickhouse, Paul W.

“…; the use of integrated modeling frameworks such as the Multiphysics Object-Oriented Simulation Environment (MOOSE…”
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A cartesian grid method for modeling multiple moving objects in 2D incompressible viscous flow by Russell, David, Jane Wang, Z.

“…–vorticity formulation and with discontinuities representing the embedded objects. The no-penentration condition for the moving geometry is satisfied by superposing a homogenous solution…”
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Tritium Transport Modeling at the Pore Scale in Ceramic Breeder Materials Using TMAP8 by Simon, Pierre-Clement A., Humrickhouse, Paul W., Lindsay, Alexander D.

“… Assessing the tritium breeding capabilities of these materials requires a combination of extensive experimental and modeling efforts…”
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Geant4 developments and applications by Allison, J., Amako, K., Apostolakis, J., Araujo, H., Dubois, P.A., Asai, M., Barrand, G., Capra, R., Chauvie, S., Chytracek, R., Cirrone, G.A.P., Cooperman, G., Cosmo, G., Cuttone, G., Daquino, G.G., Donszelmann, M., Dressel, M., Folger, G., Foppiano, F., Generowicz, J., Grichine, V., Guatelli, S., Gumplinger, P., Heikkinen, A., Hrivnacova, I., Howard, A., Incerti, S., Ivanchenko, V., Johnson, T., Jones, F., Koi, T., Kokoulin, R., Kossov, M., Kurashige, H., Lara, V., Larsson, S., Lei, F., Link, O., Longo, F., Maire, M., Mantero, A., Mascialino, B., McLaren, I., Lorenzo, P.M., Minamimoto, K., Murakami, K., Nieminen, P., Pandola, L., Parlati, S., Peralta, L., Perl, J., Pfeiffer, A., Pia, M.G., Ribon, A., Rodrigues, P., Russo, G., Sadilov, S., Santin, G., Sasaki, T., Smith, D., Starkov, N., Tanaka, S., Tcherniaev, E., Tome, B., Trindade, A., Truscott, P., Urban, L., Verderi, M., Walkden, A., Wellisch, J.P., Williams, D.C., Wright, D., Yoshida, H.

“…; improvements for the propagation in fields; new options for event biasing; and additions and improvements in geometry, physics processes and interactive capabilities…”
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Contact modeling using step boundary method for immersed boundary finite element method by Nittala, Srikar S., Kumar, Ashok V.

“…Immersed boundary finite element method (IBFEM) seeks to use accurate geometry of structures defined using equations of its boundaries and immersed in a background mesh for finite element analysis…”
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A dissipative particle dynamics method for arbitrarily complex geometries by Li, Zhen, Bian, Xin, Tang, Yu-Hang, Karniadakis, George Em

“…Dissipative particle dynamics (DPD) is an effective Lagrangian method for modeling complex fluids in the mesoscale regime but so far it has been limited to relatively simple geometries…”
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Evolution of expansion-free massive stellar object in f(R, T) gravity by Manzoor, Rubab, Ramzan, Kashif, Farooq, M. Asim

“… The mathematical modeling of a cluster of stars involving field equations, junction condition and dynamical equations is presented…”
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Numerical Modeling of Gamma-Ray Burst Spectra by Lartsev, A. I., Lukin, V. V.

“…The model of gamma-ray burst (GRB) from magnetorotational supernova after its explosion is proposed in order to investigate burst gamma radiation spectrum…”
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Modeling turbulent flow over fractal trees with renormalized numerical simulation by Chester, Stuart, Meneveau, Charles, Parlange, Marc B.

“… Fractal objects display large scale-disparity and complexity while being amenable to a simple and standardized description…”
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Universal Theory of Light Scattering of Randomly Oriented Particles: A Fluctuational-Electrodynamics Approach for Light Transport Modeling in Disordered Nanostructures by Ramirez-Cuevas, Francisco V, Gurunatha, Kargal L, Parkin, Ivan P, Papakonstantinou, Ioannnis

“… Randomness, however, imposes severe challenges for nanophotonics modeling, often constrained by the irregular geometry of the scatterers involved or the stochastic nature of the problem itself…”
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A web system of virtual morphometric globes for Mars and the Moon by Florinsky, I.V., Garov, A.S., Karachevtseva, I.P.

“…We developed a web system of virtual morphometric globes for Mars and the Moon. As the initial data, we used 15-arc-minutes gridded global digital elevation…”
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GJK++: Leveraging Acceleration Methods for Faster Collision Detection by Montaut, Louis, Le Lidec, Quentin, Petrik, Vladimir, Sivic, Josef, Carpentier, Justin

“…Collision detection is a fundamental problem in various domains, such as robotics, computational physics, and computer graphics…”
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An Optimization Workflow in Design for Additive Manufacturing by Rosso, Stefano, Uriati, Federico, Grigolato, Luca, Meneghello, Roberto, Concheri, Gianmaria, Savio, Gianpaolo

“…Additive Manufacturing (AM) brought a revolution in parts design and production. It enables the possibility to obtain objects with complex geometries and to exploit structural optimization algorithms…”
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Modeling grid fields instead of modeling grid cells: An effective model at the macroscopic level and its relationship with the underlying microscopic neural system by Rosay, Sophie, Weber, Simon, Mulas, Marcello

“… Here, we show that the organization and evolution of grid fields relate very simply to physical space…”
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Modeling and Design Enhancement of Electrothermal Actuators for Microgripping Applications by Pour, Parham Dadash, Ghommem, Mehdi, Abdelkefi, Abdessattar

“…Microgrippers are miniature tools that have the capability to handle and manipulate micro- and nano-scale objects…”
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Compressive Structured Light for Recovering Inhomogeneous Participating Media by Jinwei Gu, Nayar, S. K., Grinspun, E., Belhumeur, P. N., Ramamoorthi, R.

“… Whereas conventional structured light methods emit coded light patterns onto the surface of an opaque object to establish correspondence for triangulation, compressive structured light projects…”
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Sub-annular structure in black hole image from gravitational refraction by Giribet, Gaston, Rubín de Celis, Emilio, Schmied, Pedro

“…The images of supermassive black holes captured by the Event Horizon Telescope (EHT) collaboration have allowed us to have access to the physical processes that occur in the vicinity of the event horizons of these objects…”
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Notions of optimal transport theory and how to implement them on a computer by Lévy, Bruno, Schwindt, Erica L.

“… (or distances between more general objects), to interpolate between objects or to enforce mass/volume conservation in certain computational physics simulations…”
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