Abaqus / Finite Element Method [有限元法] / Midas / Nonlinear FEM [非线性有限元] / Programming [编程] / Research [科研] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程] / Structural Optimization [结构优化]

[优化][ABAQUS][Midas2Abaqus] Topology Optimization of a short cantilever beam by Abaqus [短悬臂梁拓扑优化分析算例]

又一个简单的优化小例子， PS. 某人答对了结果 😆 。 【1】Midas Gen Model 【2】Midas2Abaqus Model 【3】Abaqus Model 【4】Optimization Results 优化目标：刚度最大化。 约束条件：体积优化 30%。 最终结果是一个三角形。 微信公众号 ( Wechat Subscription) 欢迎关注 “结构之旅” 微信公众号

Abaqus / ETABS & SAP2000 / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / Nonlinear FEM [非线性有限元] / Programming [编程] / Solid Mechanics [固体力学] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example Static-31: Elliptic membrane under uniformly distributed load [ Midas Gen 验证实例 Static-31: 椭圆薄膜受均布荷载]

【1】Problem Description ( Midas Gen’s Verification Examples Static-31:  Elliptic membrane under uniformly distributed load) An elliptical membrane of thickness, t and geometrical properties is subjected to a uniformly distributed outward pressure. …

Abaqus / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / Nonlinear FEM [非线性有限元] / Programming [编程] / Solid Mechanics [固体力学] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example GNL-6: Snap-back Nonlinear problem [ Midas Gen 验证实例GNL-6: Snap-back 非线性问题]

【1】Problem Description (GNL-6: Snap-back Nonlinear problem from Midas Gen’s Verification Examples) Draw the load-displacement graph. 【2】MODEL Properties Dimension Length 2500 m Element Truss element Material Modulus of elasticity E = …

Abaqus / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Nonlinear FEM [非线性有限元] / Programming [编程] / Research [科研] / Solid Mechanics [固体力学] / Structural Analysis [结构分析] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example GNL-5: Snap-through Analysis of simply 2D truss [ Midas Gen 验证实例GNL-5: 2D桁架的阶跃分析]

【1】Problem Description (GNL-5: Snap-through Analysis of simply 2D truss from Midas Gen’s Verification Examples) A truss element is subjected to a vertical load at the node 2. Draw the load-displacement …

Abaqus / Dynamics [动力学] / Earthquake Engineering [地震工程] / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Programming [编程] / Solid Mechanics [固体力学] / Structural Analysis [结构分析] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example Eigen-15: Eigenvalue analysis of simply supported thin annular plate [ Midas Gen 验证实例Eigen-15: 简支薄圆板的特征值分析]

【1】Problem Description A simply supported thin annular plate is analyzed to determine the first 10 natural frequencies. Determine the natural frequencies and mode shapes. ( This model is original come …

Abaqus / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Programming [编程] / Reinforced Concrete [钢筋混凝土] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Tut-4: Hammerhead Pier [ Midas Gen tut-4: 锤头桥墩]

【1】Problem Description (from ) 【2】Midas Gen Model [ Tut-4: Two column hammerhead Pier from Midas Gen’s Tutorials ] Load Case – Vertical Load: Load Case – Seismic Load: 【3】Midas 2 …

Abaqus / Earthquake Engineering [地震工程] / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Programming [编程] / Steel Structure [钢结构] / Structural Analysis [结构分析] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Tut-2: Plant Structure[ Midas Gen tut-2: 厂房结构]

(马上更新…)         注释 ( Comments )   ( 如果您发现有错误，欢迎批评指正。邮箱：jidong_cui@163.com . 如果您喜欢这篇博文，请在上面给我 点个赞 吧！ 🙂   🙂      ( If you found any mistakes in the post, please let me know. Email : jidong_cui@163.com. If you like this posts, please …

Abaqus / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Programming [编程] / Steel Structure [钢结构] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Tut-1: 3-D Simple 2–Bay Frame [ Midas Gen tut-1: 单层两跨三维框架]

【1】Problem Description ( This model is original come from Midas Gen’s Tutorials – Tut-1. ) 【2】Midas Gen Model [ Tut-1: 3-D Simple 2–Bay Frame from Midas Gen’s Tutorials ] Load …

Abaqus / Finite Element Method [有限元法] / Midas / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][ABAQUS][Midas2Abaqus] Static-11: 2-D Plane Truss [Static 11: 2-D 平面桁架 Verification Examples]

【1】Problem Description Determine the vertical displacements of a plane truss structure subjected to concentrated loads.[ Static-11 from the Verification Example of Midas Gen] 【2】Midas Gen Model [ Static-11 from the …

Abaqus / FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / My Software [我的软件] / Steel Structure [钢结构] / Structural Analysis [结构分析] / Structural Engineering [结构工程]

[ABAQUS][FEM][Midas] Buckling Analysis of Steel Box Beam [钢箱梁的特征值屈曲分析]

Buckling Analysis of Steel Box Beam [钢箱梁的特征值屈曲分析] 【1】Midas Gen Model 【2】Midas2Abaqus 【3】Abaqus Model 【4】Midas Gen Results (1) Buckling Mode 1 (2) Buckling Mode 2 (3) Buckling Mode 3 (4) Buckling …

FEM Analysis of Structural Components [构件有限元模拟] / Finite Element Method [有限元法] / Midas / Steel Structure [钢结构] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[Midas Gen][结构分析] 带加劲肋钢板有限元分析

工字型钢为主梁，槽钢为铰接次梁，铺设钢板，钢板铰接支撑在钢梁上。左模型钢板底设置角钢加劲肋，间距500mm，右模型为纯钢板。整个结构尺寸为1000mmx2800mm，钢板施加竖向均布荷载。 整体模型 钢梁 钢板竖向位移 （左模型，角钢的最大竖向位移为2mm，最大相对位移为1.5mm，角钢挠度为 1/（1.5/1000）=1/666；钢板的最大竖向位移为2.2mm，分布于跨中，最大相对位移为0.3mm，相应的挠度为1/（0.3/500）=1/1666；右模型：跨中位移最大，最大竖向位移为17.4mm，最大相对位移为17mm，相应的板的挠度为 1/(17/1000)=1/58。） 钢板的Von-Mises应力 （左模型：钢板的最大应力为60Mpa，主要集中在角钢端部的局部范围；右模型：钢板的最大应力为83Mpa，主要集中在跨中较大范围。） 注释 ( Comments )   ( 如果您发现有错误，欢迎批评指正。邮箱：jidong_cui@163.com . 如果您喜欢这篇博文，请在上面给我 点个赞 吧！ 🙂   🙂      ( If you found any mistakes in the post, please let me know. Email : jidong_cui@163.com. If you …

Midas / My Software [我的软件] / Steel Structure [钢结构] / Structural Analysis [结构分析] / Structural Engineering [结构工程]

[Midas Gen] [结构分析] Midas Gen 重复单元

采用Midas Gen分析钢楼板，发现反力、挠度均不合理，后面检查发现，是因为单元建重复了，多施加了一倍荷载。（多亏 李大师 的帮助！！ 😀  😀  😀 ） 软件功能的强大，也意味着容易犯错。 注释 ( Comments )   ( 如果您发现有错误，欢迎批评指正。邮箱：jidong_cui@163.com . 如果您喜欢这篇博文，请在上面给我 点个赞 吧！ 🙂   🙂      ( If you found any mistakes in the post, please let me know. Email : jidong_cui@163.com. If you like …

Midas / My Software [我的软件] / Structural Analysis [结构分析]

[结构分析][Midas Gen] 主从约束问题笔记

工程笔记： 上图，三个支座，定义主从约束，将力传到结构顶。定义主从约束必须注意根据结构的实际情况，绑定合理的从节点。否则会影响力的传递。 注释 ( Comments )   ( 如果您发现有错误，欢迎批评指正。邮箱：jidong_cui@163.com . 如果您喜欢这篇博文，请在上面给我 点个赞 吧！ 🙂   🙂      ( If you found any mistakes in the post, please let me know. Email : jidong_cui@163.com. If you like this posts, please give me a “thumbs …

Midas / Structural Analysis [结构分析] / Structural Design [结构设计]

[软件][Midas] Midas Gen 刚性连接主从节点约束测试

 Midas刚性连接主从节点约束测试。 模型 单元剪力 单元扭矩 注意：定义了刚性束缚的点，不要再定义其他约束条件。 注释 ( Comments )   ( 如果您发现有错误，欢迎批评指正。邮箱：jidong_cui@163.com . 如果您喜欢这篇博文，请在上面给我 点个赞 吧！ 🙂   🙂      ( If you found any mistakes in the post, please let me know. Email : jidong_cui@163.com. If you like this posts, please …

Midas / My Software [我的软件] / Programming [编程] / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程]

[软件][工具][Program][Midas]Midas Gen Drift Process [Midas Gen位移角处理软件]

[软件][工具][Program][Midas]Midas Gen Drift Process [Midas Gen位移角处理软件]。Midas Gen位移角处理工具，根据Midas Gen的计算结果，提取楼层不同方向的位移角，方便与YJK、ETBAS等软件对比。www.jdcui.com, from 崔济东博士

Midas / Structural Analysis [结构分析] / Structural Design [结构设计] / Structural Engineering [结构工程] / Structural Wind Engineering [结构风工程]

[结构分析]Midas Gen 风洞荷载的施加

[结构分析]Midas Gen 风洞荷载的施加,来源于www.jdcui.com, 崔济东，崔济东博士。Midas Gen中风洞荷载可以通过风荷载工况的附加荷载进行施加。若通过这种方式施加，则必须首先定义楼层属性，风荷载将直接施加到相应的楼层。但如果模型较为复杂，比如存在多塔，则楼层划分可能十分复杂。