scholarly journals A mathematical formulation of accelerating moment release based on the stress accumulation model

2007 ◽  
Vol 112 (B7) ◽  
Author(s):  
A. Mignan ◽  
G. C. P. King ◽  
D. Bowman
Keyword(s):  
Mathematical Formulation ◽  
Accumulation Model ◽  
Accelerating Moment Release ◽  
Stress Accumulation

An observational test of the stress accumulation model based on seismicity preceding the 1992 Landers, CA earthquake

2006 ◽  
Vol 413 (1-2) ◽  
pp. 39-52 ◽  
Author(s):  
Shoshana Z. Levin ◽  
Charles G. Sammis ◽  
David D. Bowman
Keyword(s):  
Accumulation Model ◽  
Model Based ◽  
Observational Test ◽  
Stress Accumulation

Damage Accumulation Model of Prosthetic Heart Valves in Forward and Reverse Flow Phases

2008 ◽  
Author(s):  
Yared Alemu ◽  
Michalis Xenos ◽  
Yuefan Deng ◽  
Rui Feng ◽  
Shmuel Einav ◽  
...  
Keyword(s):  
Damage Accumulation ◽  
Heart Valves ◽  
Reverse Flow ◽  
Mechanical Heart Valve ◽  
Prosthetic Heart Valves ◽  
Accumulation Model ◽  
Regurgitant Flow ◽  
3D Geometry ◽  
Damage Accumulation Model ◽  
Stress Accumulation

A highly resolved 3D geometry of a bileflet mechanical heart valve (MHV) was constructed to study the contribution of the forward and regurgitant flow phases to platelet damage. Platelet stress accumulation during repetitive passages past the valve was calculated using a damage accumulation model in pertinent trajectories. Additionally a discrete particles dynamics (DPD) multiscale modeling approach, which widely departs from the traditional continuum approach, was applied to this MHV geometry. It generated viscous blood flow velocity distributions, and is envisioned to further facilitate multiscale simulations of flow induced thrombogenicity in blood recirculating devices.

Dynamic stress accumulation model of granite residual soil under cyclic loading based on small-size creep tests

2019 ◽  
Vol 26 (3) ◽  
pp. 728-742 ◽  
Author(s):  
Lian-sheng Tang ◽  
Zhan-lun Zhao ◽  
Hao-kun Chen ◽  
Yan-ping Wu ◽  
Yu-chao Zeng
Keyword(s):  
Cyclic Loading ◽  
Dynamic Stress ◽  
Residual Soil ◽  
Creep Tests ◽  
Accumulation Model ◽  
Granite Residual Soil ◽  
Stress Accumulation

Discussion of the Oblique Rotator Model Cases Of 108 Aqr and x Serp.

1976 ◽  
Vol 32 ◽  
pp. 577-588
Author(s):  
C. Mégessier ◽  
V. Khokhlova ◽  
T. Ryabchikova
Keyword(s):  
Mathematical Formulation ◽  
The Other ◽  
Rotator Model ◽  
Oblique Rotator ◽  
First Results

My talk will be on the oblique rotator model which was first proposed by Stibbs (1950), and since received success and further developments. I shall present two different attempts at describing a star according to this model and the first results obtained in the framework of a Russian-French collaboration in order to test the precision of the two methods. The aim is to give the best possible representation of the element distributions on the Ap stellar surfaces. The first method is the mathematical formulation proposed by Deutsch (1958-1970) and applied by Deutsch (1958) to HD 125248, by Pyper (1969) to α2CVn and by Mégessier (1975) to 108 Aqr. The other one was proposed by Khokhlova (1974) and used by her group.

Burgers fluid flow in perspective of Buongiorno’s model with improved heat and mass flux theory for stretching cylinder

2020 ◽  
Vol 92 (3) ◽  
pp. 31101
Author(s):  
Zahoor Iqbal ◽  
Masood Khan ◽  
Awais Ahmed
Keyword(s):  
Diffusion Process ◽  
Mathematical Formulation ◽  
Thermal Relaxation ◽  
Mass Diffusion ◽  
Stretching Cylinder ◽  
Discussion Section ◽  
Buongiorno’S Model ◽  
Homotopy Analysis ◽  
Burgers Fluid ◽  
Diffusion Phenomena

In this study, an effort is made to model the thermal conduction and mass diffusion phenomena in perspective of Buongiorno’s model and Cattaneo-Christov theory for 2D flow of magnetized Burgers nanofluid due to stretching cylinder. Moreover, the impacts of Joule heating and heat source are also included to investigate the heat flow mechanism. Additionally, mass diffusion process in flow of nanofluid is examined by employing the influence of chemical reaction. Mathematical modelling of momentum, heat and mass diffusion equations is carried out in mathematical formulation section of the manuscript. Homotopy analysis method (HAM) in Wolfram Mathematica is utilized to analyze the effects of physical dimensionless constants on flow, temperature and solutal distributions of Burgers nanofluid. Graphical results are depicted and physically justified in results and discussion section. At the end of the manuscript the section of closing remarks is also included to highlight the main findings of this study. It is revealed that an escalation in thermal relaxation time constant leads to ascend the temperature curves of nanofluid. Additionally, depreciation is assessed in mass diffusion process due to escalating amount of thermophoretic force constant.

INFLUENCE OF FLOW SWIRLING ON COMBUSTION OF ALUMINUM POWDER AEROSUSPENSION IN A CHAMBER WITH EXTENSION

2020 ◽  
Author(s):  
A. Yu. Krainov ◽  
◽  
K. M. Moiseeva ◽  
V. A. Poryazov ◽  
◽  
...  
Keyword(s):  
Dynamic Model ◽  
Aluminum Powder ◽  
Swirling Flow ◽  
Numerical Study ◽  
Mathematical Formulation ◽  
Expansion Chamber ◽  
Flow Swirling ◽  
Air Suspension

A numerical study of combustion of the aluminum-air suspension in the swirling flow in the expansion chamber has been performed. The physical and mathematical formulation of the problem is based on the dynamic model of the multiphase reacting media.

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