1) local yield and plastic potential surface
局部屈服面和塑性势面
2) elastoplastic model of double yield surfaces
双屈服面弹塑性模型
1.
A kind of elastoplastic model of double yield surfaces model is used for the rockfill.
Marc 非线性有限元程序,发展了三维子模型法,对该坝进行了三维弹塑性有限元仿真分析,模拟了面板的分缝、坝体材料分区、填筑及蓄水过程,采用双屈服面弹塑性模型模拟堆石体的变形特征。
3) plastic potential surface
塑性势面
1.
According to the generalized plastic mechanics, the constitutive model is composed of three plastic potential surfaces and three corresponding yield surfaces.
基于广义塑性力学,详细讨论了屈服面和塑性势面的对应关系以及岩士材料的3类屈服面(即体积屈服面与q方向上及θσ方向上的剪切屈服面)的基本特征,尤其是提出了能考虑剪胀与剪缩的体积屈服面和Lode角θσ方向的剪切屈服面。
2.
The relation between the yield surface and the plastic potential surface based on the generalized plastic mechanics is discussed systematically, and the basic characters of the yield surface, especially of volumetric yield surface that can calculate dilatant volume strain and shear yield surface in stress Lode angel direction for the first time, are also discussed.
详细讨论了广义塑性力学中屈服面和塑性势面的对应关系以及岩土材料的三类屈服面 (即体积屈服面与 q方向上及θσ 方向上的剪切屈服面 )的基本特征 ,尤其是提出了能考虑剪胀与剪缩的体积屈服面和应力Lode角θσ 方向的剪切屈服面。
4) local yielding
局部屈服
1.
The tubular steel’s local yielding at the end of joint board is a main flaw of design, so special attention should be paid to this kind of conformation design.
试验结果表明:SZT2塔的位移测试结果满足变形要求;应变测试结果没有超过构件承载力,说明整体结构是安全的;试验还验证了锻造带颈法兰在特高压双回路钢管塔中能够安全可靠地传力,由于其能起到降低焊接工作量和提高加工效率的目的,建议在实际工程中推广使用;SZT2塔采用的节点板连接方案可行,U型插板、十字插板及C型插板安全可靠;连接板端部钢管的局部屈服是设计的薄弱点,应加强防止局部破坏的构造。
5) plastic yielding
塑性屈服
1.
The calculation results indicate that the outboard of drum walls fall in plastic yielding at the same time the rising cooling water reaches the height of that point and the yield region becomes narrower and narrower when it comes closer to the circumferential strake weldments,wh.
计算结果表明:塔壁外侧在冷却水面到达的瞬间进入塑性屈服,筒节中部塑性屈服区较大,当靠近焊缝时塔壁的塑性变形区逐渐缩小直至消失,塔壁塑性屈服区的分布特点解释了塔体长期使用后发生鼓凸变形及筒体与焊缝连接处产生裂纹的原因。
2.
The dimension of the plastic area around the fracture tip is quantitatively presented,the fracture height equation considering the fracture tip plasticity is derived,and 3D extension model is established with respect to the plastic yielding.
基于断裂力学、弹塑性力学,对水力压裂裂缝延伸过程中的尖端塑性区进行了研究,给出了裂缝尖端塑性区的定量表达式,推导了缝尖塑性区影响下的缝高扩展方程,建立了考虑缝尖塑性屈服的裂缝三维延伸数学模型,模拟分析了缝尖塑性屈服对水力裂缝扩展的影响。
6) plastic yield
塑性屈服
补充资料：面势
1.亦作"面埶"。 2.方面;形势。《周礼．考工记序》﹕"或审曲面埶﹐以饬五材﹐以辨民器。"郑玄注引郑司农曰﹕"审曲面埶﹐审察五材曲直方面形埶之宜以治之及阴阳之面背是也。"孙诒让正义﹕"郑锷云﹕'审曲者﹐审其曲也。面埶者﹐面其埶也。材有曲直﹐直者不待审而可知﹐审其曲者﹐然后见其理之所在。埶有向背﹐背者不可向以为用﹐面其埶然后顺其体之所向。'……与先郑异﹐亦通。"后据郑注引申为建筑物和自然环境的情势﹑外观﹑位置。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条