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It has been claimed that the standard model of cosmology (LCDM) cannot easily account for a number of observations on relatively small scales, motivating extensions to the standard model. Here we introduce a new suite of cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2020-08-12 Sam G. Stafford , Shaun T. Brown , Ian G. McCarthy , Andreea S. Font , Andrew Robertson , Robert Poole-Mckenzie

Sloshing Platform for In-Orbit Controller Experimentation is an ambitious, student run mission to design and fly a cubesat to study fluid sloshing in spacecraft. The project will examine zero-g propellant sloshing from an experimental…

Systems and Control · Electrical Eng. & Systems 2024-12-31 Michael fogel , Snigdha Sushil Mishra , Laurent Burlion

A three-dimensional (3-D), self-consistent code is employed to solve for the static potential structure surrounding a spacecraft in a high photoelectron environment. The numerical solutions show that, under certain conditions, a spacecraft…

We propose a novel approach to generate samples from the conditional distribution of patient-specific cardiovascular models given a clinically aquired image volume. A convolutional neural network architecture with dropout layers is first…

Quantitative Methods · Quantitative Biology 2021-09-01 Gabriel Maher , Casey Fleeter , Daniele Schiavazzi , Alison Marsden

Cardiac parametric mapping is useful for evaluating cardiac fibrosis and edema. Parametric mapping relies on single-shot heartbeat-by-heartbeat imaging, which is susceptible to intra-shot motion during the imaging window. However, reducing…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Calder D. Sheagren , Brenden T. Kadota , Jaykumar H. Patel , Mark Chiew , Graham A. Wright

Conducting levitated mechanical experiments in extreme conditions has long been the aim of researchers, as it allows for the investigation of new fundamental physics phenomena. One of the great frontiers has been sending these experiments…

Recent advances in optical atomic clocks and optical time transfer have enabled new possibilities in precision metrology for both tests of fundamental physics and timing applications. Here we describe a space mission concept that would…

General Relativity and Quantum Cosmology · Physics 2021-12-22 Andrei Derevianko , Kurt Gibble , Leo Hollberg , Nathan R. Newbury , Chris Oates , Marianna S. Safronova , Laura C. Sinclair , Nan Yu

Tetrahedral configurations of spacecraft on unperturbed heliocentric orbits allow for highly precise observations of small spatial changes in the gravitational field, especially those affecting the gravity gradient tensor (GGT). The…

General Relativity and Quantum Cosmology · Physics 2024-04-26 Slava G. Turyshev , Sheng-wey Chiow , Nan Yu

In order to determine the observable signatures of modified gravity theories, it is important to consider the effect of baryonic physics. We use a modified version of the ISIS code to run cosmological hydrodynamic simulations to study…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-01 Thor A. S. Ellewsen , Bridget Falck , David F. Mota

We compare five general circulation models (GCMs) which have been recently used to study hot extrasolar planet atmospheres (BOB, CAM, IGCM, MITgcm, and PEQMOD), under three test cases useful for assessing model convergence and accuracy.…

Earth and Planetary Astrophysics · Physics 2015-06-18 Inna Polichtchouk , James Y-K. Cho , Chris Watkins , Heidar Thor Thrastarson , Orkan M. Umurhan , Manuel de la Torre Juarez

In the framework of focused transport theory, adiabatic deceleration arises from adiabatic focusing in the solar wind frame and from differential solar wind convection. An explicit formula is given for the deceleration of individual…

Astrophysics · Physics 2009-10-22 D. Ruffolo

A cardiac digital twin is a virtual replica of a patient-specific heart, mimicking its anatomy and physiology. A crucial step of building a cardiac digital twin is anatomical twinning, where the computational mesh of the digital twin is…

Cardiac biosignals, such as electrocardiograms (ECG) and photoplethysmograms (PPG), are of paramount importance for the diagnosis, prevention, and management of cardiovascular diseases, and have been extensively used in a variety of…

Continuous monitoring of cardiac health under free living condition is crucial to provide effective care for patients undergoing post operative recovery and individuals with high cardiac risk like the elderly. Capacitive Electrocardiogram…

The coronal magnetic field directly or indirectly affects a majority of the phenomena studied in space physics. It provides energy for coronal heating, controls the release of coronal mass ejections (CMEs), and drives heliospheric and…

Solar and Stellar Astrophysics · Physics 2016-04-13 Shaela I. Jones , Joseph M. Davila , Vadim M. Uritsky

Blood system functions are very diverse and important for most processes in human organism. One of its primary functions is matter transport among different parts of the organism including tissue supplying with oxygen, carbon dioxide…

Biological Physics · Physics 2007-12-31 A. S. Kholodov , S. S. Simakov , Y. A. Kholodov , A. A. Nadolsky , A. N. Shushlebin

The availability of large scale databases containing imaging and non-imaging data, such as the UK Biobank, represents an opportunity to improve our understanding of healthy and diseased bodily function. Cardiac motion atlases provide a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Esther Puyol-Anton , Bram Ruijsink , Helene Langet , Mathieu De Craene , Paolo Piro , Julia A. Schnabel , Andrew P. King

Mathematical models of the human heart are increasingly playing a vital role in understanding the working mechanisms of the heart, both under healthy functioning and during disease. The aim is to aid medical practitioners diagnose and treat…

Numerical Analysis · Mathematics 2023-11-13 Sridhar Chellappa , Barış Cansız , Lihong Feng , Peter Benner , Michael Kaliske

In the present series of papers we propose a consistent description of the mass loss process. To study the effects of intrinsic magnetic field of a close-orbit giant exoplanet (so-called Hot Jupiter) on the atmospheric material escape and…

Earth and Planetary Astrophysics · Physics 2015-06-12 I. F. Shaikhislamov , M. L. Khodachenko , Yu. L. Sasunov , H. Lammer , K. G. Kislyakova , N. V. Erkaev
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