增量法 meaning in English
incremental approach
incremental method
reinforcement method
Examples
- The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation , a new type of viscoelastic incremental finite element method is presented . in this method , incremental arithmetic is applied to solving the hereditary integrals . it needs less memory space , has simple parameter matrix , and calculates stiffness matrix only once
主要研究内容如下:从herrmann变分原理出发,基于适用于近似不可压缩材料的粘弹性本构关系,利用增量法处理遗传积分,发展了一种粘弹性增量有限元方法,所需存储空间较少,参数矩阵形式简单,求解过程只需要形成一次刚度矩阵,适用于药柱的结构计算,奠定了确定性分析基础。 - After the analysis and summing up of the post - evaluation theory and method in the general building projects , according to the characteristics and contents of the highway network planning , the paper expounded the goal and meaning of post - evaluation in highway network planning in detail and proposed the framework of the highway network planning post - evaluation theory . then the paper defined the assessment index , assessment standard and assessment method of the post - evaluation of prospective development , scale prediction and construction arrangement in highway network planning post - evaluation by means of before - after contrast and mathematic method such as fuzzy set - value statistics , membership function decided by increment ant gahp etc . thus a set of logical , systematic and applicative highway network planning post - evaluation theory is found . finally according to the reality of highway network development in he nan province and shann xi province , their arterial highway network planning is evaluated with the the ory discussed in this paper , and the rationality and difference of the result is analyzed
本文在分析和总结一般项目建设后评价理论与方法的基础上,结合公路网规划的具体特点和内容,详细论述了公路网规划后评价的目的与含义,提出了公路网规划后评价的总体理论框架;然后,按照前后对比的思想,运用模糊集值统计、增量法标定隶属函数和多人层次分析法等数学手段,分别确定了公路网规划后评价中发展预测后评价、规模测算后评价和建设实施安排后评价的评价指标、评价标准和评价方法,形成逻辑严密、体系完善和操作性很强的公路网规划后评价理论;随后,结合河南与陕西两省的公路网规划与建设实际,运用本文的理论对两省的干线公路网规划进行后评价,并对评价结果的合理性及其差异进行了分析。 - In the positive - issue research of bird impact , the thesis carefully explores the basic theories , finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation . the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues . under the proof work , the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived , coded and verified in ls - dyna3d
在鸟撞正问题的研究中,本文详细推导了大变形粘弹性接触-碰撞有限元分析的基本理论、数值计算方法、求解过程、关键技术以及上述内容在ls - dyna3d中的具体应用,算例考察了ls - dyna3d在求解碰撞以及大变形问题上的计算精度,同时推导了线弹性材料、双线性弹塑性材料以及非线性粘弹性材料增量法迭代方程,编制了相应的用户自定义材料子程序,并进行了子程序验证。 - A study and analysis on input of measures and stimulation results of oil producers in liaohe oilfield in recent years has been conducted in the paper . a system of evaluation indices for oil well stimulation measures in liaohe oilfield has been structured based on relevant theories of system of economic evaluation indices for oil & gas exploration projects and mode of economic evaluation for oil & gas exploration projects . method of increment used in economic evaluation for modification projects has been adopted for evaluations on benefits of measures
因此本文对辽河油田近几年来对原油生产井措施投入及增产效果进行了分析研究,根据“油气勘探项目经济评价指标体系”和“油气勘探项目经济评价模式”的相关理论构建了“辽河油田油井增产措施评价指标体系” ,采用改扩建项目经济评价方法中的“增量法”来对措施效益进行评价。 - The thesis , in the probability analysis and computation , considers the failure history of space frames and trusses , adopts the bound criterion and algorithms on the base of system ' s critical strength , and introduces the soft self - adaptation control bound into the identification of dominant failure modes ; at the same time , with the incremental load method and differential equalized recursive method , computes the limit - state function of failure mode and probability index precisely under no leaking the dominant failure modes
文中在可靠性分析和计算部分,考虑空间刚桁架结构系统的失效演化历程,采用基于系统临界强度的约界准则和约界算法,将柔性自适应控制边界引入失效模式识别过程;同时,用荷载增量法和微分等价递归算法相结合,确保在严格不遗漏主要失效模式的情况下,快速准确地求解失效模式的极限状态方程和可靠度指标。