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[Other resource] 20040922 DL : 1: 通过三维有限元计算来研究含圆孔有限厚度板的圆孔边缘应力场,找出了应力集中系数与板的厚度、圆孔半径之间的关系,同时还分析了圆孔边缘的三维应力约束程度和三维应力约束区域的大小. 研究结果表明:离面应力约束系数在板的中面最大,而在表面为0 ,三维应力约束影响区域的长度约为板厚的一半应力集中系数沿厚度的分布是不均匀的,其最大值及位置与厚度有关有限厚度板中面的应力集中系数及其最大值均大于平面应力或平面应变的应力集中系数对含圆孔任意厚度板的应力集中问题,按平面应力或平面应变来考虑是不安全的 Sternberg 等人对含圆孔任意厚度板的应力分布及应力集中系数的近似三维求解,仅适用于厚度较小的板,当板超过一定厚度时同样也是不安全的. 关键词: 应力集中系数有限元分析有限厚度板-through 3D FEM to study with limited thickness of plate hole hole edge of the stress field, identify the stress concentration factor with the plate thickness, the radius hole of the relationship between also analyzed the edge of the hole three-dimensional and three-dimensional stress extent constrained the size of the area. The results showed : Stress from the restrictive factor in the board faced the greatest, and the surface of 0, the three-dimensional effect of the length of the regional thickness of about half of the stress concentration factor along the thickness of the distribution is uneven, and the location of its maximum thickness and the limited thickness of the slab surface stress concentration factor and the maximum value is greater than or plane stress level plane strain, the
Update : 2008-10-13 Size : 58.31kb Publisher : 张开
[Industry research] 20040922 DL : 0: 通过三维有限元计算来研究含圆孔有限厚度板的圆孔边缘应力场,找出了应力集中系数与板的厚度、圆孔半径之间的关系,同时还分析了圆孔边缘的三维应力约束程度和三维应力约束区域的大小. 研究结果表明:离面应力约束系数在板的中面最大,而在表面为0 ,三维应力约束影响区域的长度约为板厚的一半应力集中系数沿厚度的分布是不均匀的,其最大值及位置与厚度有关有限厚度板中面的应力集中系数及其最大值均大于平面应力或平面应变的应力集中系数对含圆孔任意厚度板的应力集中问题,按平面应力或平面应变来考虑是不安全的 Sternberg 等人对含圆孔任意厚度板的应力分布及应力集中系数的近似三维求解,仅适用于厚度较小的板,当板超过一定厚度时同样也是不安全的. 关键词: 应力集中系数有限元分析有限厚度板-through 3D FEM to study with limited thickness of plate hole hole edge of the stress field, identify the stress concentration factor with the plate thickness, the radius hole of the relationship between also analyzed the edge of the hole three-dimensional and three-dimensional stress extent constrained the size of the area. The results showed : Stress from the restrictive factor in the board faced the greatest, and the surface of 0, the three-dimensional effect of the length of the regional thickness of about half of the stress concentration factor along the thickness of the distribution is uneven, and the location of its maximum thickness and the limited thickness of the slab surface stress concentration factor and the maximum value is greater than or plane stress level plane strain, the
Update : 2025-02-17 Size : 58kb Publisher : 张开
[matlab] Slab DL : 1: matlab例程，用于计算任意层数平板波导结构。其中slabexec为主程序，readme中有程序使用的详细说明。可以计算任意层数的平板波导结构的有效折射率，光场分布和远场分布。-matlab routines used to calculate the arbitrary layer slab waveguide structure. Which mainly slabexec procedures, readme has procedures used in detail. Can calculate the arbitrary layers of planar waveguide structure of the effective refractive index, optical field distribution and far-field distribution.
Update : 2025-02-17 Size : 288kb Publisher : qiangkan
[matlab] Mutilayer_FD DL : 0: 用matlab程序模拟了多层平板波导的导波情况包括TE模和TM模该程序可进一步扩展-Matlab procedure used to simulate the multi-layered slab waveguide, including the guided wave TE mode and TM mode of the program can be further expanded
Update : 2025-02-17 Size : 5kb Publisher : 齐标
[ActiveX/DCOM/ATL] 2d DL : 0: The dispersion relation and the optical transmittance of a two-dimensional photonic crystal composed of the hexagonal array of cylindrical air holes fabricated in a dielectric slab were analyzed by group theory and the numerical calculation based on the ﬁ nite-difference time-domain method. The decay rate of the leaky modes that exist above the light line ~the dispersion relation in air! in the band diagram was also evaluated, from which the absence of the coupling between certain internal eigenmodes and the external radiation ﬁ eld was shown. This phenomenon was related to symmetry mismatching by the group-theoretical argument. -The dispersion relation and the optical transmittance of a two-dimensional photonic crystal composed of thehexagonal array of cylindrical air holes fabricated in a dielectric slab were analyzed by group theory and thenumerical calculation based on the
Update : 2025-02-17 Size : 180kb Publisher : Qtai
[Other] Slabsteel DL : 0: calculate slab steel
Update : 2025-02-17 Size : 34kb Publisher : nkgedadknr
[matlab] one_dimension DL : 0: one dimensional wave propagation along z axis passing from a material slab(dispersiv, conductive,etc.)
Update : 2025-02-17 Size : 1kb Publisher : Behnam
[GUI Develop] betaplot DL : 0: calculate wave number versus frequency in a slab waveguide
Update : 2025-02-17 Size : 5kb Publisher : sakineh
[Mathimatics-Numerical algorithms] FDTD_1D_2Media DL : 0: This program is ploting EM Plane wave propagation and reflection from Dielectric slab-This program is ploting EM Plane wave propagation and reflection from Dielectric slab
Update : 2025-02-17 Size : 1kb Publisher : Helen
[matlab] FDTDmb DL : 0: wave propagation in a dielectric slab
Update : 2025-02-17 Size : 1kb Publisher : mina
[Linux-Unix] memory_management DL : 0: linux内核内存管理分析，包括分页影射,kmalloc(),slab,vmalloc(),kmap-linux kernel memory management analysis
Update : 2025-02-17 Size : 8kb Publisher : fguo
[Mathimatics-Numerical algorithms] hole-slab.ctl.tar DL : 0: MIT MPB software simulation of photonic band gaps of hole slab-MIT MPB software simulation of photonic band gaps of hole slab
Update : 2025-02-17 Size : 1kb Publisher : Celine Brown
[Other] Hollow-Slab-entity-analysis DL : 0: 空心板桥的实体分析（ALGORANSYS在桥梁工程中的应用与实例一书中的命令流）-Hollow Slab entity analysis (ALGORANSYS in bridge engineering applications and examples in his book Command Stream)
Update : 2025-02-17 Size : 5kb Publisher : bailan
[Driver Develop] slab DL : 0: 个人实现的slab算法，通过一个巨大的数组模拟内存，然后对这块内存进行slab的管理-The slab algorithm individuals to achieve, through a huge array of analog memory, and this memory management slab
Update : 2025-02-17 Size : 12kb Publisher : 123
[Software Engineering] Slab-waveguide DL : 0: slab waveguide optic
Update : 2025-02-17 Size : 158kb Publisher : mohamad karami
[OS Develop] slab DL : 0: 这是操作系统内核分配中slab分配的C++代码实现，通过模拟unix内核对物理空间的分配-This is the operating system kernel distribution slab C++ code assigned by simulating the unix kernel allocation of physical space
Update : 2025-02-17 Size : 199kb Publisher : yigenliang
[Linux-Unix] slab DL : 0: Unified interface for all slab allocators.Unified interface for all slab allocators for Linux.
Update : 2025-02-17 Size : 35kb Publisher : gerheyou
[source in ebook] SLAB DL : 0: ANSYS 板坯数值模拟电磁过程湍流模型后处理等-After the slab ANSYS simulation of electromagnetic turbulence model treatment process
Update : 2025-02-17 Size : 2kb Publisher : xumianguang
[e-language] hole-slab DL : 0: mpb 计算光子晶体代码 hole－slab-mpb calculate hole-slab photonic crystal code
Update : 2025-02-17 Size : 1kb Publisher : Jonathan Liang
[Linux-Unix] slab DL : 0: SLAB: kmalloc size for node struct available.
Update : 2025-02-17 Size : 3kb Publisher : bodrviu

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