نتایج جستجو برای: wen model
تعداد نتایج: 2105878 فیلتر نتایج به سال:
Despite the fact that shape-memory alloy (SMA) has several mechanical advantages as it continues being used as an actuator in engineering applications, using it still remains as a challenge since it shows both non-linear and hysteretic behavior. To improve the efficiency of SMA application, it is required to do research not only on modeling it, but also on control hysteresis behavior of these m...
natural hazards such as earthquakes have threatened the life of human beings during the history.as a consequence, the vibration mitigation of structures has caught great importance. activecontrol of structures is one of the rapidly emerging areas in the concept of structural control. thispaper presents a control method to deal with this subject when the dynamics of the structure ishysteretic an...
Using a description of the Levin-Wen model excitations in terms Wilson lines, we compute degeneracy energy levels for any input anyon theory and trivalent graph embedded on (orientable) compact surface. This result allows one to obtain finite-size finite-temperature partition function show that there are no thermal phase transitions.
Effects of Mathematical Model of MR Damper on Its Control Performance; A Nonlinear Comparative Study
In this paper, the effect of mathematical representation method of an MR damper on the performance of control algorithm is investigated. The most exact and common Maxwel Nonlinear Slider (MNS) and modified Bouc-Wen hysteretic models are employed through a nonlinear comparatve numerical study. In many of semi-active control algorithms, a mathematical modelling method is required for determinig ...
References: [1] Wen Shen, On the Shape of Avalanches, J. Math. Anal. Appl., 339(2008), 828-838. [2] Debora Amadori and Wen Shen, Global Existence of large BV solutions for a Model of Granular Flow, To appear in Communications in Partial Differential Equations. [3] Debora Amadori and Wen Shen, The Slow Erosion Limit for a Model of Granular Flow, preprint 2008. Available online: www.math.psu.edu/...
Ghrelin, a brain-gut peptide that induces anxiety and other abnormal emotions, contributes to the effects of insomnia on emotional behavior. In contrast, the traditional Chinese Medicine remedy Wen Dan Tang reduces insomnia-related anxiety, which may perhaps correspond to changes in the brain-gut axis. This suggests a possible relationship between Wen Dan Tang's pharmacological mechanism and th...
In this paper the performance of Artificial Neural Networks (ANNs) and Adaptive Neuro- Fuzzy Inference Systems (ANFIS) in simulating the inverse dynamic behavior of Magneto- Rheological (MR) dampers is investigated. MR dampers are one of the most applicable methods in semi active control of seismic response of structures. Various mathematical models are introduced to simulate the dynamic behavi...
Vibrations is an extremely important issue to consider when designing various systems. It may lead to discomfort and malfunction or in some cases collapse of structures. To compensate for these vibrations different types of damping devices can be applied. The main focus which the following work addresses has been to look at standard methodology which enables determining the hysteresis from defi...
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