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- fracture model of crack tip 裂尖断裂模型
- After that , we make with CDF drawing by interrelated formula and simulate the model of X56 pipeline with surface crack by finite element software ANSYS, then, we compute J integral of crack tip . R阻力曲线确定热影响区和焊缝金属分别具有的断裂韧度,根据相关的公式做出CDF评定图,应用有限元软件ANSYS模拟含表面裂纹的X56海底管线模型,并计算裂纹尖端的二维J积分值。
- Joined with the kinked model, fractal dimension of crack is calculated, the theoretic model of fractal fracture toughness is proposed and is verified with the results of experiment. 结合裂纹弯折扩展模型,计算了裂纹分形维数,提出了分形断裂韧度的理论模型,并与实验结果进行了验证。
- Introducing the time-dependent damage variable into the constitutive equations of the crack zone, we modified the Dugdale model of crack damage zone around crack-tip. 对裂尖银纹损伤区的Dugdale模型进行了修正,将时间、位置、应变相关的损伤变量引入到银纹区的本构方程中。
- CTOA is measured with the built three dimension function model of crack profile of the crack top and free profile through the high-speed photo technology.The tests and re... CTOA的测定是通过高速摄影技术,建立裂尖裂纹断面与自由表面的三维关系模型。
- With the rising of temperature, the fracture models of AFRP-cement mortar take a turn from accumulation fracture with ductility to brittle collapse. 破坏模式随着温度的升高从积累性破坏向突发性破坏转变。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- Plainclothes detection is an effective model of cracking down such crimes. 便衣侦查是新形势下打击多发性侵财案件的有效侦查模式。
- He made a clay model of the Eiffel Tower. 他做了一个艾菲尔铁塔的黏土模型。
- His mother is a model of industry. 他母亲是勤劳的模范。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- In the presence of elderly visitors our son was a model of decorum. 我们的儿子在来访的长辈面前彬彬有礼。
- In addition, an emulational model of cracks on metal surfaces was constructed by ANSYS. 采用Ansys对空问线圈进行了仿真模拟,使之与实际情况更加一致。
- The model of cracked media with crack number density of spatial distribution is presented according to the theory of spectral factorization in stochastic process and Hudson′s model of cracked media. 利用随机过程的谱展开理论以及hudson的裂纹介质模型,构造一种裂纹数密度具有空间统计分布的随机介质模型,给出了详细的理论推导过程。
- This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack. 在考虑管道长度特征的前提下,把管道近似地看作长梁或薄壳,然后以“含裂纹零维度单元”模型(即垂直于裂纹面方向的单元尺度为零)计算出裂纹对管道动态特性的影响。
- The latest model of this washer is now on sale in your shops. 这种最新型号的洗衣机目前正在你们的商店中出售。
- On the basis of rock mass mechanics model of cracking plate structure, it derived the calculation equation for the equivalent exposed area of mine stope. 它以板裂结构的岩体力学模型为基础,推导出了采场当量暴露面积的计算公式。
- I don't know one model of car from another. 我分辨不出汽车的型号。
- Results All the vertebras had reduced bone mineral density and strength and developed a compressed fracture model. 结果所有样本的椎体骨密度和骨强度均下降,并顺利做出压缩性骨折模型。
- Meso-scale Hot-spot Model of Crack Friction in Solid Propellant 固体推进剂裂纹摩擦热点形成细观模型分析