scholarly journals Determination of the State of Rock Mass by the Mathematical Modeling Method

2021 ◽  
Vol 720 (1) ◽  
pp. 012088
Author(s):  
N Gorbunova ◽  
O Mirkushov
Keyword(s):  
Mathematical Modeling ◽  
Rock Mass ◽  
Modeling Method ◽  
The State

scholarly journals ДОСЛІДЖЕННЯ ВТРАТИ МІЦНОСТІ ПАРААРАМІДНИХ НИТОК У ПРОЦЕСІ В’ЯЗАННЯ КУЛІРНОГО ТРИКОТАЖУ

2019 ◽  
Vol 132 (2) ◽  
pp. 51-59
Author(s):  
В. І. Безсмертна ◽  
Л. Є. Галавська ◽  
С. Ю. Боброва
Keyword(s):  
Mathematical Modeling ◽  
Regression Analysis ◽  
Experimental Method ◽  
State Standard ◽  
Tensile Testing ◽  
Testing Machine ◽  
The State ◽  
Tensile Testing Machine ◽  
Loss Of Strength

Research of the weft knit parameters influence on the loss of strength of para-aramide threads after knitting. Methodology. We used the mathematical modeling and regression analysis methods. An experimental method of research was used for determination of the breaking characteristics of para-aramide threads on KT-7010AZ tensile testing machine in accordance with the State Standard ISO 2062:2004.

Determination of parameters of short circuit of power transformer by means of mathematical modeling

2017 ◽  
Vol 26 (102) ◽  
pp. 110-119
Author(s):  
D. S. Yarymbash, ◽  
◽  
S. T. Yarymbash, ◽  
T. E. Divchuk, ◽  
D. A. Litvinov
Keyword(s):  
Mathematical Modeling ◽  
Power Transformer ◽  
Short Circuit ◽  
Determination Of Parameters

scholarly journals Steady State Response of Linear Time Invariant Systems Modeledby Multibond Graphs

2021 ◽  
Vol 11 (4) ◽  
pp. 1717
Author(s):  
Gilberto Gonzalez Avalos ◽  
Noe Barrera Gallegos ◽  
Gerardo Ayala-Jaimes ◽  
Aaron Padilla Garcia
Keyword(s):  
Steady State ◽  
Linear Time ◽  
Direct Determination ◽  
The State ◽  
Steady State Response ◽  
State Variables ◽  
Linear Time Invariant ◽  
State Response ◽  
Time Invariant

The direct determination of the steady state response for linear time invariant (LTI) systems modeled by multibond graphs is presented. Firstly, a multiport junction structure of a multibond graph in an integral causality assignment (MBGI) to get the state space of the system is introduced. By assigning a derivative causality to the multiport storage elements, the multibond graph in a derivative causality (MBGD) is proposed. Based on this MBGD, a theorem to obtain the steady state response is presented. Two case studies to get the steady state of the state variables are applied. Both cases are modeled by multibond graphs, and the symbolic determination of the steady state is obtained. The simulation results using the 20-SIM software are numerically verified.

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