The stress and strain distribustions were measured on four fresh cadaveric specimens of thoracolumbar spine , which were fixed in upright , 20 - degree flexion and 20 - degree extension positions 测定分析了4例新鲜胸腰段脊柱标本分别处在直立、前屈20 、后伸20状态，受到静载荷作用时胸腰椎前缘的应力和应变分布规律。
Advanced technical ceramics - ceramic composites - methods of test for reinforcements - determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature 高级工业陶瓷.陶瓷复合材料.增强纤维的试验方法.室温下复丝束中长丝断开时的拉伸强度和拉伸应变分布的测定
In this paper , a method by the use of the stress - strain relations and the iterative calculation based on the finite element analysis was proposed to reconstruct the elastic modulus distribution from the axial strain distribution of tissues 本文提出一种利用组织的应力应变关系和基于有限元分析的迭代计算方法，从组织的纵向应变分布重建出组织的弹性模量分布。
Crack development and failure modes , longitudinal reinforcement strain distributions and load - deflection curves were compared as a result in order to evaluate the validity of the disturbed stress field model to analyse such deep simply supported beam 通过与试验结果的对比，在开裂形态、破坏形式、纵筋应变分布及荷载位移曲线等局部与整体反应层次上，评价了扰动应力场模型模拟深受弯简支梁受力性能的适用性。
Three - dimensional model of t - branch tube compound bulging has been established by using advanced explicit finite element codes ansys / ls - dyna with the research of distribution law of equivalent stress and plastic strain 摘要采用显示动力分析软件ansys / ls - dyna建立复合胀形三维有限元模型，深入研究了三通管液压胀形过程中应力应变分布规律，系统比较了轴向压缩胀形和复合胀形过程中应力应变变化规律、胀形支管高度、壁厚分布的差异。
The simulations of the blank forming process is always a very pop question in the domain of plasticity forming . it has very important significance as to making certain the figure of the blank roughcast calculating strain and stress , establishing reasonable forming craft and designing mold 板料成形过程模拟一直是塑性成形领域研究的热点问题，对于确定板料毛坯形状、计算应力、应变分布、制订合理的成形工艺和模具设计有重要的意义。
No matter with or without flange , the longitudinal strain in limbs roughly coincides with bernoulli ' s principle . 5 based on strain distribution status found in experiments , the internal force evaluation approaches are suggested . then , the structural behaviors are investigated in detail , and the concepts of pl and leffr are introduced 从墙肢应变分布研究入手，建立了截面内力计算模型，深入研究了短肢墙结构内力大小及其分布规律，建立了土墙肢及主墙肢荷载效应负载率等基本概念。
In the paper , the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part , predict the possible defects such as wrinkle and break , obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die . the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ) . by this method , the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained 本文利用有限元模拟软件dynafrom分析了不同类型的压边圈对薄壁阶梯筒形件成形过程的影响规律，预测了采用不同类型压边圈时可能出现的成形缺陷如起皱和拉裂，获得了防止缺陷产生的合理压边圈形式，确定了合理的模具结构形式；分析了不同的润滑条件（摩擦系数）对薄板阶梯筒形件成形的影响，获得摩擦系数与薄板阶梯筒形件的拉深深度的关系；分析了阶梯筒形件成形过程中的不同阶段的应力应变分布、毛坯材料厚度变化情况，并获得了阶梯阶梯筒形件能一次拉深成形的条件。
The details are as following : 1 ) through the experiments of seventeen reinforced concrete plates with round openings , stress distributions of concrete and steel bars , concrete cracking , failure mechanism , and the influence of reinforcing bars with different amount and layouts on cracking and failure mechanism of the specimens are studied . the experimental study provides data not only for the validation of fea model and nonlinear fem program , but also for the research on new methodology of design for orifices 本文的主要工作有： 1 )通过17块带圆孔钢筋混凝土板的试验，研究在荷载作用下孔口周围混凝土和钢筋的应力应变分布和孔口开裂、破坏规律，以及不同的配筋方式和数量对孔口混凝土裂缝的产生、发展及孔口破坏的影响，为验证有限元分析模型及非线性分析程序的可靠性提供试验依据，并为建立新的孔口配筋设计方法提供基本试验资料。
In the analyse course , two elasticity theory methods , the finite element method and the variation method are employed . and the variation method solution is a continuous function describing the distribution of the stress and strain as a whole , which can be helpful to the design of similar gauge 本文在对弹性元件进行力学分析时，采用了弹性力学有限单元法和变分法，由变分法产生的解是整体应力应变分布的连续函数表达式，该表达式可供今后同类型力传感器的设计计算借鉴。
