Breadth First Relax Algorithm for Multi-Constrained Optimal Path;
一种多约束最优路径宽度优先松弛算法
In this paper, the effects of pressure, temperature, and particle size distribution of chopped materials on relax density were also studied.
研究了压力、温度和切碎棉杆粒度大小对成型块松弛密度的影响,结果表明,在温度和初始密度相同条件下,压力增大,松弛比相应减小;在压力和初始密度相同条件下,常温压缩比加温压缩的松弛比大,当切碎棉杆温度在120~180℃范围内变化时,成型块的松弛比变化不明显;粒度越小,松弛比越小,但粒度在3~10mm变化时,松弛比没有明显差异。
Creep parameters(including creep compliancei,nfluencing factors of time and temperature to creep,delay time of creep) and relaxation parameters(including relaxation modulusi,nfluencing factor of temperatu.
采用改进的岩石热粘弹性流变模型研究了我国甘肃北山花岗岩在温度影响下的流变特性,给出了流变模型参数在不同温度和时间影响下的变化规律,分析了北山花岗岩蠕变参数(蠕变柔量、蠕变行为时温影响因子、延迟时间)和松弛参数(松弛模量、温度对松弛行为的影响因子、松弛时间)及其随温度的变化规律。
Conversion relation between relaxation and creep under non-constant temperature states;
变温过程中的材料松弛与蠕变模量的转换
Multi-axial experimental study on creep and relaxation properties of red sandstone from somewhere;
某地红砂岩多轴受力状态蠕变松弛特性试验研究
The generalized Maxwell model, which describes stress relaxation modulus, is usually used for analyzing the rheological characteristics of viscoelastic materials.
采用流变力学分析黏弹性材料的流变特性时,常要用到广义Maxwell模型表达的应力松弛模量。
In terms of Laplace transform,the relation of creep compliance and relaxation modulus can be inferred.
利用拉普拉斯变换推出蠕变柔量和应力松弛模量间的关系,因此可以把动态力学实验看成无数个应力为Δiσ的蠕变和回复实验的总效应,从而推出了动态力学实验和静态力学实验间的关系。
In this paper Laplace transforms is utilized in viscoelastic theory of polymers making the relations between various viscoelastic functions like relaxation modulus, creep compliance and functiqns representing dynamic behavior simple and clear, relaxation spectrum and retardation spectrum are defined in terms of Laplace transform to correlate all viscoelastic functions.
将拉普拉斯变换应用于聚合物粘弹性理论,使粘弹性材料的特性函数如松弛模量、蠕变柔量以及表示动态力学性能的函数之间的关系简单明了,并用拉氏变换定义松弛谱和推迟谱,将各粘弹函数相互联系起来。
Tensile stress relaxation of wood under high temperature and pressurized steam.;
高温高压蒸汽条件下木材的拉伸应力松弛
Viscoelastic stress relaxation by scaled time;
粘弹性应力松弛过程的时间标度变换
Mechanical model for the stress relaxation of PVC calendered flexible composites;
PVC压延柔性复合材料应力松弛的力学模型
The acid relaxed collagen fiber was prepared from pigskin,which was unhaired,pretreated with A.
猪皮经酶脱毛、酶和硼氢化钠等前处理,在稀醋酸体系中酸松弛,组织匀浆后,经中和、冷冻干燥制备了酸松弛胶原纤维。
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