constitutive相关论文
Written in 1819, Ode on a Grecian Urn became one of Keats’s most significant masterpieces. After three hundred years, how......
The flow stress behavior of grade G-105 steel(API standard) for oil drill pipe in hot compressive deformation was studie......
Based on the concepts of continuum damage theory,a new plastic damage model for concrete crack failure is developed thro......
Dynamic compaction(DC) is an efficient soil improvement technique. The previous numerical studies mainly focus on the so......
By using numerical analysis methods to simulate the deep excavation,a lot of analyses are established on the basis of tw......
The stiffness has a large influence on the behavior of soils. Its value is affected by some of the soils properties, suc......
This review article summarizes the advances in the surface stress effect in mechanics of nanostructured elements,includi......
Underground utility tunnels are widely used in urban areas throughout the world for lifeline networks due to their easy ......
Brittle failure of rocks is a classical rock mechanical problem.Rock failure not only involves initiation and propagatio......
In view of the deviation of the fitting results of the classical exponential model and the hyperbolic model(the BB model......
SnAgCu solder system with the addition of rare earth Ce,which has better thermo-mechanical properties compared to those ......
The hot deformation behavior of TiNiFe shape memory alloy was studied by isothermal compression tests.It was performed o......
As the depth of exploitation increases,studies on constitutive models of rock affected by temperature and humidity becom......
CONSTITUTIVE RELATIONSHIP OF IN718 ALLOY FOR THERMOVISCOPLASTIC AND MICROSTRUCTURE EVOLUTION COUPLED
The interaction between thermomechanical parameters and microstructure evolution is so intense that it must be considere......
在Gleeble-1500热模拟机上,采用等温热压缩实验,研究一种新型的仿金铜合金在变形温度650~770℃、变形速率0.001~1 s-1条件下的热加工......
The hot compression test of 6063 Al alloy was performed on a Gleeble-1500 thermo-simulation machine, and the forming of ......
Nonlinear Elastic Constitutive Model of Soil-Structure Interfaces Under Relatively High Normal Stres
The shear characteristics of soil-structure interfaces with different roughness are studied systematically by using the ......
300M钢凭其优异的综合力学性能而被广泛应用于飞机起落架大型构件的生产。在大型构件的热锻成形过程中,材料的流动行为及组织演变......
A framework is proposed to understand coupled consolidation-desiccation in clay slurries using effective stress and soil......
对自制可发性聚苯乙烯(简称EPS)轻质、节能混凝土砌块砌体开展受压变形性能试验,分析该砌体受压应力-应变试验数据,采用指数模型和多......
近年来,关于形状记忆合金本构模型的研究大量展开,在工程领域中得到了广泛的关注。简述了形状记忆合金的特性及其本构关系表达式,通过......
针对某汽油机缸体、缸盖材料——铝硅合金ADC12的高速切削参数的优化选择,采用其Johnson-Cook本构模型,在有限元软件ABAQUS中采用......
针对有两族帘线的橡胶—帘线增强复合材料,基于Spencer的连续介质力学不变量理论,提出了一种非线性超弹性本构模型。通过引入两个......
单多层混凝土靶板已被广泛用于军用防护领域,为研究其抗侵彻性能,利用有限元程序LS-DYNA,对卵形弹以360-1058m/s的速度侵彻单多层混凝......
普通铜管混凝土短柱核心混凝土的本构关系不能满足自应力钢管混凝土轴压短柱的计算需要.在已有试验的基础上,补做了12根自应力钢管混......
阐述了景观设计的理念,从景观中的建筑、绘画、雕塑、艺术构件、水景等方面探讨了景观中艺术语言的构成。介绍了景观中艺术语言的表......
提出了不可逆系统的一个特殊形式--耦合双子系统结构.构造它时需要把多子系统本构关系理论中的子系统个数取为2,并考虑两个子系统......
船舶油污损害赔偿法律制度是海事法理论研究和实践中的难题。分析船舶油污损害赔偿法律制度的构成要件和特征,对我国船舶油污损害......
挪用公款罪立法上的不完善导致理论界和实务界对该罪的诸多问题都存有争议,对于“挪而未用”的行为如何认定即是其中较突出的问题。......
利用LS-DYNA3D软件数值计算了弹体侵彻岩石、混凝土和土问题,分析在不同碰撞速度条件下的弹体响应和靶体抗侵彻能力。碰撞速度小于......
运用遗传算法对连续变化的多层旋波媒质的本构关系进行了优化,设计了新的编码方案,用波分法对与编码相应的多层旋波媒质的电磁散射......
进行了玻璃纤维增强塑料(GFRP)管约束混凝土本构模型试验.试件分三种类型:GFRP管直接受压;GFRP管不直接受压;GFRP管不直接受压,管内壁涂油......
混凝土作为一种率敏感性材料,在不同的加载速率下表现出不同的力学特性.加之其非均匀性,使得混凝土本构关系的研究变得很复杂.通过......
基于LY12铝合金超塑性材料属性建立了弹-粘塑性本构模型.利用该本构模型并结合最大等效应变速率控制压力变化算法对LY12铝合金板超......
名人故里之争是近年来出现的一个引人注目的现象,在政府的介入和民间的喧哗中,政府和学术界都陷入了一个尴尬的境地,很难有一个令人信......
在室温下,运用分离式Hopkinson压杆对子午线轮胎胎面胶进行高速冲击破坏试验(应变速率为2 000~5 400s~(-1)),得到了胎面胶在高速冲击下......
采用疲劳应力分解的方法,把总的疲劳效应分解为一个蠕变效应和一个简单疲劳效应的叠加,利用粘弹性力学的积分型本构关系、动态性能以......
建立了基于 Weibull分布的统计学岩石冲击损伤本构模型。在理论假设的基础上,通过公式推导,建立了岩石单元体损伤本构模型。并通过数......
Using the rigid visco-plastic Finite Element Method (FEM), the process of forging for long cone-shaped posts made of alu......
摘 要:constitutive译为“组成的”没有反映该词的基本含义,容易误导读者,应该改译为“恒定的”“连续的”或其他相近的译名。 ......
摘 要:constitutive译为“组成的”没有反映该词的基本含义,容易误导读者,应该改译为“恒定的”“连续的”或其他相近的译名。 ......
在温度1323-1473 K,应变速率0.001-1 s-1的范围内研究了Ti-43Al-4Nb-1.4W-0.6B 合金的热压缩变形行为,其真应力-真应变曲线表明合金......
韧塑性合金的复杂非线性流变行为是成形数值模拟的关键因素。结合遗传算法(GA)和支持向量回归(SVR),即GA-SVR,准确表征Ti-13Nb-13Z......
A thermo-mechanical constitutive model for unsaturated clays is constructed based on the existingmodel for saturated cla......
Experimental and numerical investigations have been carried out on behavior of pullout resistance of embedded circular p......
The original unified hardening(UH)model,in which a straight Hvorslev envelope was employed to determine the potential pe......
The aim of this study is to present a constitutive model for prediction of the mechanical behavior of fiberreinforced ce......
以轮库输油复线某段X52原油管道为工程背景,管道意外悬空后,将管线悬空段简化为大挠度梁,且考虑管梁的几何非线性,将埋地段看成有......
摘 要:寒区岩石受到荷载及冻融循环的作用,考虑岩石微元破坏的特点,將其简化为冻融损伤、受荷损伤及未损伤3部分组成。基于损伤力学理......
基于非经典塑性理论和连续介质损伤力学,利用在一个特殊坐标系下基于椭球形孔洞模型得到的可考虑孔洞形状变化混合强化材料的损伤演......