Mathematical Model of Critical Condition for Friction Ignition

2020 ◽  
Keyword(s):  
Mathematical Model ◽  
Critical Condition

Mathematical Model of Critical Condition for Friction Ignition

2020 ◽  
Vol 56 (5) ◽  
pp. 585-591
Author(s):  
X.-Y. Liang ◽  
G.-B. Mi ◽  
P.-J. Li ◽  
J.-X. Cao ◽  
X. Huang
Keyword(s):  
Mathematical Model ◽  
Critical Condition

scholarly journals Passage of a vehicle over a standard obstacle

2020 ◽  
Vol 313 ◽  
pp. 00012
Author(s):  
Darina Stachová
Keyword(s):  
Mathematical Model ◽  
Traffic Safety ◽  
Critical Condition ◽  
Point Contact ◽  
Hazardous Materials ◽  
Traffic Density ◽  
The Road ◽  
Road Profile ◽  
Points Of View ◽  
The Mathematical Model

Traffic safety depends on vehicle quality, traffic density and road conditions. Motion of a vehicle on a road or bridge body is therefore interesting from many points of view for various experts. We draw our attention to the unevenness of the road, specifically to the road profile with the so-called standard obstacle. In the article we present several alternatives for the mathematical model of such a road and also the mathematical model of the trajectory of the vehicle while traversing this standard obstacle. The shape of the obstacle meets the requirement of continuous one-point contact of the tire with the road; it does not contain singular points, and thus provides conditions for safer driving, especially when transporting persons in critical condition, or shocks-sensitive or hazardous materials.

Mathematical model of hit phenomena and its application to movie advertisement

2008 ◽  
Author(s):  
Ishii Akira ◽  
Yoshida Narihiko ◽  
Hayashi Takafumi ◽  
Umemura Sanae ◽  
Nakagawa Takeshi
Keyword(s):  
Mathematical Model

Imprecision of Laboratory Determinations and Diagnostic Accuracy: Theoretical Considerations

1974 ◽  
Vol 13 (03) ◽  
pp. 151-158 ◽  
Author(s):  
D. A. B. Lindbebo ◽  
Fr. R. Watson
Keyword(s):  
Mathematical Model ◽  
Diagnostic Accuracy ◽  
Diagnostic Process ◽  
Clinical Laboratories ◽  
Non Linear ◽  
Theoretical Considerations ◽  
Made In

Recent studies suggest the determinations of clinical laboratories must be made more precise than at present. This paper presents a means of examining benefits of improvement in precision. To do this we use a mathematical model of the effect upon the diagnostic process of imprecision in measurements and the influence upon these two of Importance of Diagnosis and Prevalence of Disease. The interaction of these effects is grossly non-linear. There is therefore no proper intuitive answer to questions involving these matters. The effects can always, however, be calculated.Including a great many assumptions the modeling suggests that improvements in precision of any determination ought probably to be made in hospital rather than screening laboratories, unless Importance of Diagnosis is extremely high.

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