在带延迟的分量热压电束中指数稳定和有限时间膨胀
Zahid Ullah1, Jianghao Hao1, Sabri T M Thabet2,3,4
1School of Mathematics and Statistics, Shanxi University, Taiyuan, 030006, China.
Scientific reports
|January 27, 2026
概括
这项研究分析了具有热效应和记忆的非线性压电束,揭示了特定条件如何导致有限时间故障. 它增强了对智能材料稳定性和故障机制的理解.
科学领域:
- 非线性动力学是一种非线性动力学.
- 智能材料科学 智能材料科学
- 连续机械学的连续力学.
背景情况:
- 非线性压电束在静电负荷下表现出复杂的行为.
- 现有的模型往往缺乏捕捉强烈非线性和热影响和记忆等组合效应的能力.
- 了解材料的稳定性和故障对于高级应用至关重要.
研究的目的:
- 开发一个统一的数学框架来分析非线性压电束.
- 将热效应,温和分数减噪和内部延迟纳入模型.
- 为了研究系统的稳定性和有限时间膨胀现象.
主要方法:
- 半组理论和固定点分析,以获得正确位置.
- 开发一个新的Lyapunov功能来分析消散.
- 凸度参数来证明有限时间膨胀.
主要成果:
- 为复杂的光束模型建立了严格的定位.
- 使用新的利亚普诺夫函数推导出了尖的指数衰减估计.
- 对于具有负初始能量的溶液的有限时间膨胀证明.
结论:
- 统一的框架提供了对压电束动态的更深入的见解.
- 这些发现扩展了现有的模型,并突出了智能材料中的故障机制.
- 该研究为设计稳定可靠的智能材料系统提供了关键数据.
相关概念视频
Exponential and Sinusoidal Signals
705
The exponential function is crucial for characterizing waveforms that rise and decay rapidly. This continuous-time exponential function is defined using exponential terms with constants α and A. When both constants are real, the function is represented as,
705
Exponential Functions with Base e
240
Exponential functions with base e are essential for modeling continuous processes of growth and decay. The constant e, approximately 2.718, naturally arises in systems where change occurs proportionally to the current value. A positive exponent represents continuous growth, while a negative exponent represents continuous decay. These functions are especially useful for describing situations where change happens smoothly over time rather than in discrete steps.One clear example of exponential...
240
Exponential Growth
50
Bacterial populations exhibit exponential growth when conditions such as nutrient availability and temperature are favorable. In this phase, cells reproduce through binary fission, where each cell divides into two identical daughter cells. This process causes the population to double at regular intervals, resulting in a growth rate that is directly proportional to the current number of cells. As the population increases, the number of new cells formed during each generation also grows, creating...
50
BIBO stability of continuous and discrete -time systems
915
System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
915
Beams
1.8K
Beams are integral components of structural engineering and construction, designed to support loads applied at various points along their length. These long, straight members can be classified based on geometry, cross-section, support type, and equilibrium condition.
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
1.8K
Introduction to Exponential Functions
393
Exponential functions are fundamental in modeling dynamic processes where the rate of change is proportional to the current value. Defined by f(x) = bx, where b is a positive constant not equal to one, they form the basis for describing processes of growth and decay depending on whether the base b is greater than or less than one.Exponential models describe situations where change occurs at a rate proportional to the current amount. These include phenomena such as bacterial proliferation,...
393


