Simulation for nonlinear electro - mechanical coupling of ferroelectric materials 铁电材料非线性力电耦合特性的模拟计算
The nonlinear electromagnetic force may cause the large oscillations of the rotor in some parameter regions . thus , the studies on the properties of the nonlinear dynamics and the stability for the rotor - ambs system play an important role in the engineering 非线性力的作用使转子在某些参数域中产生相当大的振动,因此分析该类系统的非线性振动特性和稳定性一直是电磁轴承-转子动力学研究的重要课题。
The purpose behind this thesis is to study the nonlinear electro - mechanical coupling perfo rmance , and to have relatively simple yet substantial constitutive relations of ferro - electrics , that can eventually provide guidance for material design , sensor or actuator structural analysis and life expectancy for ferro - electric structure and system 本论文就是针对铁电材料的非线性力电耦合性能进行研究与分析,以期能对其本构关系作出简单明确的描述,为铁电元器件的材料设计、结构分析及寿命估计等提供依据。
The self - consistent method based on hill ' s theory is extended to be applicable to ferroelectrics . the introduction of global iteration and local iteration under loading of electric and / or stress fields calculate the nonlinear electromechanical coupling behavior . ( 3 ) the electro - mechanical coupling behavior of layer - structured ferroelectric composites is investigated and predicted ? ?通过采用基于hill理论的扩展的自洽计算方法,将其从一般多晶材料、复合材料的纯力学性能描述,扩展到具有力电耦合的复杂情况,建立其整体迭代和局部迭代的计算方法,得到铁电多晶材料的非线性力电耦合关系的描述。
非线性: nonlinearity; nonlinear非线性力学: nonlinear mechanics非线性力向量: nonlinear force vector板壳非线性力学: nonlinear mechanics of plate and shell非线性力矩特性: nonlinear moment characteristic国际非线性力学杂志: international journal of non linear mechanics; international journal of non-linear mechanics线性力: linear force非线性力学国家重点实验室: lnm非线性: [数学] [物理学] [电学] nonlinearity; nonlinear饱和非线性: saturation nonlinearity材料非线性: material nonlinearity参数非线性: parametrical nonlinearity场非线性: field nonlinearity弛豫非线性: relaxing nonlinearity垂直非线性: vertical non-linearity单值非线性: single value nonlinearity; single variable control system二次非线性: quadratic nonlinearity非线性饱和: nonlinear saturation非线性编程: nonlinear encoding非线性编辑: nle non-linear editing; non-linear editing system; nt non-inea editing; nt non-linear editing非线性编码: nonuniform encoding; nonlinear encoding非线性变化: nonlinearities change非线性变换: nonlinear transformation非线性变形: nonlinear deformation非线性标尺: nonlinear scale