• Then an analytical model for axisymmetric case is developed based on the total strain theory and membrane assumption.

    基于量塑性理论应变假定,推导轴对称情况解析计算模型

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  • At low and intermediate total strain amplitudes, the fatigue life was found to decrease with the increasing of temperature.

    结果表明,中等应变幅值之下,材料的疲劳寿命随温度增加降低

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  • The fatigue behavior of as-cast and as-extruded AZ91 magnesium alloys was investigated under total strain amplitude control mode.

    研究铸态挤压态az91镁合金室温应变疲劳行为

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  • The total strain is thus made up of elastic strain, possibly combined with plastic strain that results from slip, creep, or both.

    这样应变包含弹性应变、滑移导致塑性应变,徐变I?两者皆有

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  • Only a small part of the total strain energy is recovered. The recovered energy is the elastic energy that is stored during reeling.

    挠性油管缠绕过程中的大部分应变都被耗散掉(转化成热),只有一小部分应变能可以恢复

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  • The low cycle fatigue behavior of in-situ composites was investigated under total strain-controlled conditions at the room temperature.

    研究了应变控制原位生成复合材料室温疲劳行为

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  • This problem can be solved in total strain plasticity directly by the method presented. No iterative process is required to obtain the real solution.

    本文介绍了对问题直接求解方法无需迭代,方法本身不引起误差。

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  • Subtracting the elastic strain from the total strain yields the non-local plastic shear strain that depends on the flow stress and the damage variable.

    局部应变减去弹性应变,可得剪切带非局部塑性应变。

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  • According to the total strain energy failure theory author provides calculate formula of creep Life loss in creep deformation accumulation of steam pipe.

    根据应变理论作者提出管子累积蠕变变形计算寿命损耗量。

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  • During the transient creep after stress decrease, it has been found that the total strain transient consists of two components, elastic strain and anelastic strain.

    外加应力突然降低后,在瞬时蠕变过程发生弹性应变滞弹性应变,整个降载过程中的应变变化值与应力变化值成线性关系。

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  • Based on the stress - strain curve uith Power series, the asymptotic nalytical solution of rotating disks uith strain-hardening is obtained from the total strain theory.

    采用全量理论级数形式应力一应变曲线,导出了弹塑性强化材料旋转

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  • It is concluded that the total strain theory can be used as a substitute for the incremental strain theory to analyse the force and deformation in sheet metal deep-drawing process.

    结果表明,理论代替增量理论分析、计算拉延成形过程变形等。

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  • For plastic deformation theory, it is assumed that the plastic strain tensor is proportional to the total strain deviation tensor and the ratio is a sealer 'function of the effective total strain.

    对于形变理论假定塑性应变量与应变量张量成比例比例因子有效应变标量函数

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  • With the total strain theory and membrane assumption and taking the normal anisotropy of sheet metal into consideration, initial blank size can be directly calculated from desired flanging height.

    算法中,采用塑性理论应变假定,并考虑了板材厚向各向异性可以直接所需的翻边高度计算出初始坯料尺寸

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  • Results The total strains of Acinetobacter baumannii isolated from this hospital was increased from12strains in2001to63strains in2005, and a panresistant strain was detected in the last five years.

    结果鲍曼不动杆菌出由2001全年12上升至2005年全年635年中株全耐株;高耐株、泛耐株占15.6%。

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  • In this method, based on the measured strain values, the joint load is calculated by the fitted curve equation and compared with the total load applied during test.

    方法测量应变为基础,拟合曲线方程计算接头载荷与试验时施加的载荷对比。

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  • The total deformation of soils consists of three parts: elastic strain, plastic strain related to volumetric yielding mechanism and plastic strain related to shear yielding mechanism.

    土体总的变形部分组成即弹性应变、与体积屈服机制相关塑性应变剪切屈服机制相关的塑性应变。

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  • Development of the total temperature isopleths reflects summarily the process of the accumulation, the expansion and the release of strain.

    温度等值线系列演变图概略地反映出了应变积聚扩展释放全过程

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  • Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.

    研究了试样应力循环孔隙压力有效应力随时间变化规律试样有效应力轴向应变关系曲线

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  • They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.

    合金应变速率变形通过动态再结晶获得细的晶粒尺寸,其断裂延伸率在135%左右。

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  • Total weight and seismic strain energy of the structure were selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.

    结构重量最小结构的总应变能最大为优化目标,以导管的平均直径作为设计变量考虑强度刚度和稳定等约束条件。

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  • The thesis recommended the theory of minimum strain energy, which says the total structural strain energy can be changed by the increase and decrease of constraint number.

    本文介绍通过结构单元上增加或者减少不作功不同约束点,可以改变结构单元应变的大小的应变能极小原理

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  • By processing data of precursory earthquakes, we try to find the useful anomaly information from the data of strain and total geomagnetism intensity.

    通过区域前兆原始观测数据处理,突出了这次地震前的应变地磁强度短临前兆异常信息

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  • So the comparison of large strain method and small strain method should be carried out with total stress method.

    应变很大时,大变形变形法计算的沉降和孔压差异很大。因此,大小变形法分析结果的比较采用应力法。

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  • For as long as I can remember, New York has been set on total canine default with feline being the deviant strain.

    记事儿起纽约犬类青睐有加,对猫科却是另眼相待。

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  • The results show that tensile strength and yield strength increase generally, while total elongation and product of strength and ductility decrease with the increase of strain rate.

    结果表明,随应变增加抗拉强度屈服强度总体上升趋势,断裂伸长率强塑单调下降

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  • The mortality was most highest with four kinds of viruses total infection group (78%), the QX strain infected group was lightest (35%).

    并且病毒感染致病力最强死亡率达78%;q X感染致病力最弱,死亡率为35%。

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  • The computing formulae of the Young's moduli of SWCNT are obtained by comparing the total molecular potential energy of a SWCNT with the strain energy of a corresponding cylindrical thin shell.

    然后通过势能相应圆柱应变比较,推导出了单壁碳纳米管杨氏模量的计算公式

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  • The stability of the high-yielding mutant was tested, the result showed that after passing 3 generations, the strain began to retrogress and the total titer had a substantial decline.

    同时通过高产菌株进行传代培养检验其传代稳定性结果表明,传代3菌株开始退化,并且其发酵效价比较显著的下降。

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  • The stability of the high-yielding mutant was tested, the result showed that after passing 3 generations, the strain began to retrogress and the total titer had a substantial decline.

    同时通过高产菌株进行传代培养检验其传代稳定性结果表明,传代3菌株开始退化,并且其发酵效价比较显著的下降。

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