initial stress method meaning in English
初始应力法
Examples
- Anew compensation method , " belated initial stress method " , is developed for term of dynamic stiffening by synthesizing the existing method
在综合现有方法的基础上提出了新的动力刚化项补偿方法?差时初应力方法。 - Mid - point incremental method and initial stress method are used to reflect the nonlinear of the material ' s stress and strain . at the same time , the process of load during construction is simulated
用中点增量法结合初应力法反映筑坝材料的应力应变非线性，计算时模拟坝体施工加载过程。 - ( 2 ) to cut down great calculation of assembling and disassembling of stiffness matrix in the nonlinear procedure , the initial stress method is introduced to resolve the nonlinear equations
( 2 )使用初应力法对非线性方程组进行迭代计算，避免了组装和分解总体刚度矩阵的繁杂而庞大的运算。 - In the article , the flexible multibody system on the plane is researched ; the coupling dynamic model with relative accuracy is established ; and the phenomenon of dynamic stiffening is simulated by " belated initial stress method when the parts are rotating at high speed
论文中以平面柔性多体系统为研究对象，建立比较精确的耦合动力学的数学模型，并使用差时初应力方法对其中部件在高速情况下发生的动力刚化现象进行模拟。 - All concrete structures are exposed to volume changes caused by hydration reactions in the early age . if the volume changes are restrained , stresses is generated which will cause cracking when it overcomes the tensile strength . as the mechanical properties of early age concrete vary with time , especially the creep degree depends on the time elapsed and the time at loading , to calculate the stress of concrete structure is a complex nonlinear problem . the finite element method ( fem ) can take account of the evolution of the stiffness properties , the development of thermal strain , creep , shrinkage and so on . in this paper , a general approach for numerically simulating this type of behaviour is presented firstly . then , how to solve this problem is introduced by the general finite element software ansys using the initial stress method . finally , a detailed description of an example calculation that demonstrates the potential of the numerical simulation strategy follows
早期混凝土由于水化反应都会产生体积变化.如果体积变形受到约束就会产生应力,一旦超过混凝土的抗拉强度就会产生裂缝.由于早期混凝土的力学性能是随时间变化的,特别是徐变,它不仅与加载时间有关而且同时随龄期而变化,因此计算早期混凝土结构应力是较为复杂的问题.有限单元法不仅可以考虑混凝土刚度的变化,而且可以考虑温度、徐变、收缩等因素.本文利用初应力法对通用有限元软件ansys进行了二次开发,通过工程实例计算了高层建筑地下室侧墙早期混凝土应力的变化过程,并提出了相应的抗裂措施