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- The paper analyses the stress wave propagating in a variable section bar using HONDO finite element computer program . 利用HONDO有限元程序对应力波在变截面杆中的传播进行了分析。
- Acoustic emission (AE) is stress wave produced when the materials are distorted, or under the outside load. 众所周知,声发射(AE)是材料在受到形变或外力作用时,迅速释放能量而产生的瞬态应力波,是进行结构诊断的重要依据。
- The mechanism of spallation is analyzed as a result of the interaction of the unloading wave and reflected stress wave. 分析了层裂机制,得出靶材是在卸载波及被反射的压力波的共同作用下发生层裂;
- The paper analyzes the reasons for emulsion explosive's passivation by the action of blasting stress wave. 文中分析了爆炸应力波作用致使乳化炸药钝化的原因。
- It is shown that the irregularity of the joint surface apparently affects the stress wave transmission. 研究结果表明:节理面不规则结构明显地影响应力波的传播性质。
- This paper presents a signal de-noising method using wavelet analysis in stress wave detection. 介绍了一种适合于管道应力波检测的基于小波变换的去噪方法。
- The interreaction between the weight hammer and the explosive sample is analysed making use of the stress wave theory. 从刚体动力学观点将这种相互作用简化为二阶系统,可得到一组关于应力、应力率和应力脉冲宽度的表达式。
- Structures, cutting mechanism and stress wave theory of the tunneller a re presented and analyzed. 文章对这种掘进机的结构、截割机理及应力波理论进行了介绍和分析。
- The process problems of composite structures using interference fit technology can be solved by use of Stress Wave Riveting (SWR). 分析了复合材料结构采用干涉配合技术存在的工艺困难,利用应力波铆接设备对碳纤维复合材料进行了干涉配合铆接试验,并对铆接质量进行了检测分析。
- It is the macro effect of accumulative micro fracture in all period of time that spallation failure is induced by reflection of stress wave emerges. 应力波反射诱发层裂过程的发生,是各个时刻不同加载条件下微破裂累积的宏观体现。
- The control equation of stress wave propagation in timbers is given in cylindrical polar coordinates,and the governing equations of the three comp... 用云杉作为一个实例;分析了其弹性常数;讨论了在对称和非对称情况下应力波的传播情况.
- The effect of growth rate and latewood percent on stress wave modulus of elasticity was more obvious than that on vibration modulus of elasticity. 应力波测试的动弹性模量和生长率及晚材率关系密切,超过振动测试的弹性模量和生长率及晚材率关系。
- This paper analyses the producing causes of stress wave,introduces the vibrating technique and hazard of stress wave,puts forward the solution mode. 分析输送带中张力波产生的原因,介绍张力波振荡的机理,指出振荡的危害性,提出解决的方法。
- In this paper, the attenuation phenomenon of stress wave transmitted through a fractured rock specimen has been studied by the method of the Split-Hopkinson bar. 本文用 Split-Hopkinson 压力杆装置研究了应力波通过破裂岩石试件的衰减现象。
- The plane-section assumption was not congruous in low strain dynamic tests on pipe piles,so the propagation of stress wave couldn't be expressed by 1D wave equation. 管桩低应变检测时,平截面假定并不满足,应力波的传播不能简单地用一维波动方程描述。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- A mechanical model of impact truing was set up based on the theory of impact dynamics and stress wave spreading, and stress distribution was described accurately. 以冲击动力学和应力波传播理论为基础,建立了冲击整形的力学模型,较为准确地描述了水泥环中的应力分布。
- In order to deduce the static resistance from the result of a STN test, many interpretation methods had been developed, based on the lumped mass model or the stress wave model. 目前常用于诠释静动态载重试验的方法有单质点模型诠释法、分段卸载点法与单向度应力波传法。
- The position where stealing happened is derived by calculating the difference between the times at which the stress wave reaches the two adjacent detection transducers. 在盗油实时监测时,利用冲击激励产生的应力波到达两个检测传感器的波达时刻的差对冲击激励点进行定位。
- With one-dimension stress wave theory,the principle ofinfluence of soft stratum on blasting effect taler a comparatively simple geological condition is explained in the paper . 本文就一种较简单的地质条件,用一维应力波理论,解释了软弱带对爆破效应的影响原理。