scholarly journals Propagation dynamics of seismic and aseismic slip governed by fault heterogeneity and Newtonian rheology

2012 ◽  
Vol 117 (B11) ◽  
pp. n/a-n/a ◽  
Author(s):  
Ryosuke Ando ◽  
Naoto Takeda ◽  
Teruo Yamashita
Keyword(s):  
Aseismic Slip ◽  
Propagation Dynamics ◽  
Fault Heterogeneity

A Study of Malware Propagation Dynamics in Wireless Sensor Network using Spatially Correlated Security Model

2020 ◽  
Vol 13 ◽  
Author(s):  
Satya Ranjan Biswal ◽  
Santosh Kumar Swain
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Wireless Network ◽  
Spatial Correlation ◽  
Malicious Code ◽  
Wireless Sensor ◽  
Epidemic Theory ◽  
Malware Propagation ◽  
Proposed Model ◽  
Propagation Dynamics

: Security is one of the important concern in both types of the network. The network may be wired or wireless. In case of wireless network security provisioning is more difficult in comparison to wired network. Wireless Sensor Network (WSN) is also a type of wireless network. And due to resource constraints WSN is vulnerable against malware attacks. Initially, the malware (virus, worm, malicious code, etc.) targets a single node of WSN for attack. When a node of WSN gets infected then automatically start to spread in the network. If nodes are strongly correlated the malware spreads quickly in the network. On the other hand, if nodes are weakly correlated the speed of malware spread is slow. A mathematical model is proposed for the study of malware propagation dynamics in WSN with combination of spatial correlation and epidemic theory. This model is based on epidemic theory with spatial correlation. The proposed model is Susceptible-Exposed-Infectious-Recover-Dead (SEIRD) with spatial correlation. We deduced the expression of basic reproduction number. It helps in the study of malware propagation dynamics in WSN. The stability analysis of the network has been investigated through proposed model. This model also helps in reduction of redundant information and saving of sensor nodes’ energy in WSN. The theoretical investigation verified by simulation results. A spatial correlation based epidemic model has been formulated for the study of dynamic behaviour of malware attacks in WSN.

scholarly journals Effective friction law for small-scale fault heterogeneity in 3D dynamic rupture

2011 ◽  
Vol 116 (B10) ◽  
Author(s):  
S. Latour ◽  
M. Campillo ◽  
C. Voisin ◽  
I. R. Ionescu ◽  
J. Schmedes ◽  
...  
Keyword(s):  
Small Scale ◽  
Dynamic Rupture ◽  
Friction Law ◽  
Fault Heterogeneity ◽  
Effective Friction

scholarly journals Flammability and Propagation Dynamics of Planar Freely Propagating Dimethyl Ether Premixed Flame

ACS Omega ◽  
2020 ◽  
Vol 5 (19) ◽  
pp. 10965-10976 ◽  
Author(s):  
Congcong Liu ◽  
Yi Zhang ◽  
Deyang Xiong ◽  
Xiaomei Huang ◽  
Pengyuan Zhang ◽  
...  
Keyword(s):  
Dimethyl Ether ◽  
Premixed Flame ◽  
Propagation Dynamics

scholarly journals Propagation Dynamics of a Particle Phase in a Single-File Pore.

2000 ◽  
Vol 651 ◽  
Author(s):  
A.M. Lacasta ◽  
J.M. Sancho ◽  
F. Sagues ◽  
G. Oshanin
Keyword(s):  
Liquid Phase ◽  
Total Mass ◽  
Bulk Liquid ◽  
Particle Interactions ◽  
Particle Phase ◽  
Dynamic Density ◽  
Single File ◽  
Propagation Dynamics

AbstractWe study propagation dynamics of a particle phase in a single-file pore connected to a reservoir of particles (bulk liquid phase). We show that the total mass M(t) of particles entering the pore up to time t grows as (Mt) = 2m(J,ρF) √D0t, where D0 is the “bare” di usion coeffcient and the prefactor m(J,ρF) is a non-trivial function of the reservoir density ρF and the amplitude J of attractive particle-particle interactions. Behavior of the dynamic density pro les is also discussed.

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