elastic adj. 1.有弹力[弹性]的。 2.伸缩自如的,灵活的。 3.机变的,轻快的。 an elastic body 弹性体。 elastic braces 松紧吊裤带。 elastic force 弹力。 an elastic principle 灵活性的原则。 elastic ribbon 松紧带。 an elastic temperament 开朗的性格。 n. 橡皮线,松紧带,橡皮圈。 adv. -ally
Finite element method could not only obtain all the same stress of interference fit joint under ideal model as that obtained with elastic mechanics method , but also could analyze the contacting edge effect - edge stress concentration caused by con - tact , which could not be solved by elastic mechanics 有限元方法不仅可以获得与弹性力学完全一致的理想模型下过盈联接的应力等,还能够分析弹性力学所不能求解的接触边缘效应?由接触引起的边缘应力集中。
In this dissertation , the fact that the concepts of tangent modulus factor ( _ ( 1 ) , ) , proportional limit law ( pll ) and strength utilization ratio function ( surf ) in the combined theory of strength and stability ( ctss ) are the extension of concerned concepts in elastic mechanics is illustrated 本文说明了强度稳定综合理论中的切线模量因子、比例极限定律和强度利用率函数等概念是弹性力学有关概念的延伸,既可以用于强度理论,也可以用于稳定理论。
The analytic solutions of isotropic elastic layered soil under axisymmetrical , rectangular and strip loads were derived from the basic equations of isotropic elastic mechanics by means of transfer - matrix method . by the result , can easily calculate the additional stress and settlement in layered soil . but these solutions could not properly assess the errors from the elastomer of the bottom layer in foundation soil 从各向同性弹性力学基本方程出发,利用传递矩阵法推导出的多层弹性地基问题在轴对称荷载、矩形荷载和条形荷载作用下附加应力与沉降的解析解,可以方便地求出层状地基中的附加应力和沉降,而他们均没有考虑最下层弹性体计算深度引起的误差影响。
In this paper , by using the collecting method that was put forward by hu haichang , from basic equations of elastic mechanics , the right expression of the least complementary principle is derived , the author points out that the least complementary principle of conservative system does not include volume force terms 本文应用胡海昌先生提出的凑合法,从弹性力学的基本方程出发,推导了最小余能原理的正确表达形式,指出对于保守系统最小余能原理不包含体积力项。
The paper derived the formulae for the strain response mode with the knowledge of dynamics of structures , of materiaj mechanics , of elastic mechanics , and pointed out their use range . a computer program is worked out with fortran power stations 4 . 0 , it can compute the characteristic value , the characteristic vector and the strain mode for a bridge structure , and it is verified correct 论文综合结构动力学、材料力学、弹性力学等知识推导出桥梁结构应变响应模态模型的数学公式,指出了该方法的适用范围,基于fortranpowerstation4 . 0计算机工作平台,用fortran语言编制了能h算桥梁结构特征值及特征向帛羽小于变模态的哭小m序。
It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics , plastic mechanics to fracture mechanics and damage mechanics . the study of concrete fracture has also developed from macro - level to meso - level 从大型的实物模型试验,到各种缩尺模型试验;从简单的力学仪器,到各种先进探测仪器的使用;理论上也由弹性力学、塑性力学发展到了断裂力学、损伤力学等,对混凝土断裂问题的研究,更是由宏观领域进入了细观层次。
The dr . wu lumbar tractor has modern design with two jars which utilize the condensability of air and the hydromechanical theory to realize the auto balance of the air pressure in the two jars , thus guaranteeing the elastic pulling of lumbar , the only one that conforms to the “ human bio - elastic mechanics ” 伍医生腰椎牵引器设计新颖,采用双气缸连通,利用空气的可压缩性与流体力学的原理实现了两气缸压力自动平衡,达到腰椎弹性牵引之目的,是目前国内唯一符合“人体弹性生物力学”的腰椎牵引器。
Besides experiments , the present domestic and abroad study on anti - slide pile is mainly analysis by traditional cantilever beam method , foundation coefficient method and elastic mechanic method . on the basis of previous studies , this paper carries out a research on relevant design and calculation theory about anti - slide piles , comprising the interaction between anti - slide piles and rock and soil of side slopes , the soil arching model of anti - slide piles and the internal stress calculation method of prestressed anchor cables 目前国内外对抗滑桩的研究,除试验研究外,主要采用传统的悬臂梁法、地基系数法及弹性力学方法来进行分析。本文在前人的研究基础上,通过对抗滑桩相关设计计算理论进行研究,包括抗滑桩与边坡岩土体的相互作用,抗滑桩的土拱效应模型以及抗滑桩预应力锚索的内力计算方法进行分析。
The process of penetration is regarded as expansion of cylindrical cavity in infinite soil mass . combining with the knowledge of elastic mechanics and plastic mechanics , we may make analysis for soil around pile . and we may deduce the cylindrical cavity pressure , radius of plastic zone , radical displacement in elastic zone , and excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile 本文阐述了桩土共同作用理论原理,对坑式静压桩的桩周土体作弹塑性分析,把压桩过程中桩周土体的本构关系看作是水平面的平面应变小孔扩张问题,利用小孔扩张原理,结合弹性力学以及塑性力学的知识,对压桩后土体的性状进行分析,得出桩对土的挤扩作用力、桩周土体塑性半径、弹性区的位移,以及桩端球形孔扩张的扩张力。
Firstly mathematic model of the micro cantilever structure is established by elastic mechanics analysis , during which small - displacement and large - displacement are both discussed . also the direct current exiting voltage and alternating current exciting voltage are both discussed . then we investigate the bifurcations of the conditions which have been mentioned above 首先基于弹性力学的方法建立了微悬臂梁的动力学模型,包括微悬臂梁为精确挠度和近似挠度两种系统,以及作用电压为直流和交流的情况,并对各种情况进行了静态分叉的分析。