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11下载:
四面体网格划分的有限元计算源代码,在将变形体划分为四面体后,输入节点坐标,程序利用弹塑性本构,将载荷和位移关系转变为线性方程组,是一个很好的求解简单三维变形体的程序,还可输出单元变形量,应力等。-Tetrahedral mesh of the finite element method source code, in the deformed tetrahedron is divided into, the input node coordinates, the program using el
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弹塑性小变形程序,用于计算弹塑性的小变形,另附有一些简单的例子-Small elastic-plastic deformation process used to calculate the elastic-plastic small deformation, there is an additional example of some simple
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1.本程序为平面变形问题非线性有限元程序,可用于计算土坝、地基、挡土墙或地下结构的应力和变形。
2.土的非线性应力--应变关系采用邓肯双曲线模式
另一个弹性常数可有两种选择:
(a)切线泊松比:
(b)切线体积模量:
3.解题方法为中点增量法,考虑到每级加荷的两次计算所得的弹性常数对某些单元可能相差较大,而实际可能处于这两者之间,因此取两者的某种加权平均值作为修正的计算弹性常数,其中初始弹性常数取权为1/4,中点弹性常数取权为3/4,以反映平均结果接近中点弹性常数。
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3D Image Matching Using a Finite Element Based
Elastic Deformation Model
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A user-material subroutine has been written to incorporate single crystal plasticity in the
fmite element program ABAQUS. The fmite-element formulation of elastic-plastic and viscoplastic
single crystal deformation is reviewed in this paper. incl
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UMAT, FOR ABAQUS/STANDARD INCORPORATING ELASTIC-PLASTIC LINEAR **
** ISOTROPIC HARDENING. LARGE DEFORMATION FORMULATION FOR PLANE STRAIN **
** AND AXI-SYMMETRIC ELEMENTS. IMPLICIT INTEGRATION WITH CONSISTENT JACOBIAN -UMAT, FOR ABAQUS/STANDARD IN
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为解决非刚体运动分析中模型精度和计算复杂度之间的平衡问题,该文提出了一种基
于圆锥曲线模型的弹性连接体(人体)三维运动估计方法。建立了人体三维模型,根据双目图
像序列进行基于该模型的人肢体三维变形和运动参数估计,采用圆锥曲线三维模型及其在图像
平面上投影的联系方程估计三维运动参数。人手臂运动估计实验结果表明该运动估计算法能
够正确估计人体运动参数。-To offer a good tradeoff between computational complexity and mode
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ABAQUS材料子程序,定义弹性材料,超弹性材料,材料的动态硬化,各向异性的动态硬化等,五个材料子程序,用于对材料变形进行模拟。-ABAQUS material subroutine, define an elastic material, super-elastic material, the material kinematic hardening, hardening dynamic anisotropy, five material subroutine is used to simul
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VB支持图片拖拉变形的图片浏览器,有需要的就下载吧。-VB support deformation image drag image browser, there is need to download it.
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该程序用于研究路基在荷载作用下的沉降变形,将地基土体视为完全弹性。-The procedure used to study the roadbed settlement under load deformation, the foundation soil as perfectly elastic.
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一个用于大变形下的弹塑性材料模型。希望我的注释能帮助初学者理解-One for large deformation elastic-plastic material model under. I hope my comments can help beginners understand
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Automatic quantification of regional left ventricular deformation in volumetric ultrasound data remains challenging. Many methods have been proposed to extract myocardial motion, including techniques using block matching, phase-based correlation, dif
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一个计算弹性地基梁的程序,可计算应力分布和变形。-A computer program elastic foundation beam, calculate the stress distribution and deformation.
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对于以剪切变形为主的结构,计算模型采用层间剪切模型,及房屋的质量集中于各楼层,在振动过程中各楼层始终保持为水平,结构的变形为层间错动,各层的层间位移具有独立性,互不影响。-For shear deformation in the structure calculation model using interlaminar shear model, and focus on the quality of housing on each floor, each floor during vibrat
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Mirone is a MATLAB-based framework tool that allows the display and manipulation of a large number of grid formats through its interface with the GDAL library. Its main purpose is to provide users with an unusual easy-to-use graphical interface to th
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mirone是基于MATLAB的框架工具,允许大量的网格格式的显示和操作通过与GDAL库的接口。它的主要目的是为用户提供一个不寻常的易于使用的图形界面,更常用的程序的标准时间包。此外,它还提供了大量的工具,特别是专注于地球物理学和地球科学领域。其中,用户可以找到工具来完成多任务规划、弹性变形的研究,模拟海啸传播,IGRF计算和磁帕克倒置,欧拉旋转和欧拉计算,板块构造重建、地震震源机制分析和策划,先进的图像处理工具,等等。高质量的测绘和制图能力,保证CShell脚本和DOS批处理文件的自动生成。-
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本程序为线接触弾性変形程序,Fortran编写的,解压之后内涵多个子程序谢谢(The contact elastic deformation program of the procedures for the line, written in FORTRAN, thank you)
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基于有限变形理论——S-R和分解理论,以悬臂梁弹性大变形为例,建立伽辽金无网格法程序。该程序经过修改可以适用于三维弹性大变形问题的数值求解。(Based on the S-R decomposition finite deformation theory, the Galerkin meshless procedure is established by taking the elastic large deformation of the cantilever beam as an examp
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Snakes模型的基本思想很简单,它以构成一定形状的一些控制点为模板(轮廓线),通过模板自身的弹性形变,与图像局部特征相匹配达到调和,即某种能量函数极小化,完成对图像的分割。再通过对模板的进一步分析而实现图像的理解和识别。(The basic idea of the Snakes model is very simple. It uses some control points that form a certain shape as a template (contour line), thr
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对微机械臂受力分析得到运动学方程,求解后得出微机械臂的关节力矩和宏机械臂末端作用力的关系。在已知柔性臂末端的弹性变形和振动情况的基础上,用PD控制原理使微机械臂关节产生所需力矩(The kinematics equation of the mechanical arm was obtained. The relationship between the joint torque of the micromanipulator and the end force of the macro mani
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