通过计算瞬时应变的大小与屈服限建立粘弹性变形和粘塑性变形的判断准则。
Under the instantaneous strain and yield limit calculated, judgement rule about viscoelastic and viscoplastic is established.
另外，应力与瞬时应变线性拟合结果表明，瞬时轴向应变与轴向荷载近似成比例增长。
In addition, results of the linear regression for stress and instantaneous strain show that the instantaneous axial strain and axial load approximated to grow proportionally.
采用该方法不仅可以分析弯管成形过程瞬时应变状态及其演化过程，而且可以分析弯管成形过程变形特点。
Adopting this method not only can analyze instantaneous strain condition and evolution during tube bending, but also can analyze deforming feature.
提出了一种基于综合相量幅值和相位变化规律实时测量电力系统振荡中振荡频率及瞬时频率的算法，利用三相电流经相应变换获得综合相量。
An algorithm based on the magnitude and phase Angle of the generalized phasor to measure instantaneous frequency and swing frequency while the power swing occurred is presented.
从钢铁结构工程应用的角度，迫切需要一种既能检测构件应力大小、分布以及构件的疲劳，而不通过测量应变而测应力，就能瞬时、定点、在线的检测方法。
Therefore a method for testing the magnitude and distribution of residual and fatigue lives of structure and member inside iron and steel components without testing their strains is urgently needed.
当外加应力突然降低后，在瞬时蠕变过程中发生了弹性应变和滞弹性应变，整个降载过程中的应变变化值与应力变化值成线性关系。
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.
当外加应力突然降低后，在瞬时蠕变过程中发生了弹性应变和滞弹性应变，整个降载过程中的应变变化值与应力变化值成线性关系。
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.
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