[Midas Gen][ABAQUS][Midas2Abaqus] Midas Gen Verification Example Eigen-9: Eigenvalue and static analysis of a 5- level pyramid building under lateral loads [ Midas Gen 验证实例 Eigen-9: 5层金字塔结构的特征值分析及侧向水平力静力分析]

【1】Problem Description ( Midas Gen Verification Example Eigen-9: Eigenvalue and static analysis of a 5- level pyramid building under lateral loads) Perform the eigenvalue analysis of a pyramid building. Calculate …

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example GNL-1: Geometric nonlinear analysis of a high arch structure [ Midas Gen 验证实例 GNL-1: 高拱结构的几何非线性分析]

【1】Problem Description ( Midas Gen’s Verification Examples GNL-1:  Geometric nonlinear analysis of a high arch structure) Obtain load-displacement relation curves at the point of load application on a 100 m radius, …

[Midas Gen][ABAQUS][Midas2Abaqus] Verification Example Eigen-13: Eigenvalue analysis of cantilever cylindrical vault [ Midas Gen 验证实例 Static-13: 圆柱形拱顶特征值分析]

【1】Problem Description ( Midas Gen’s Verification Examples Static-13:  Eigenvalue analysis of cantilever cylindrical vault) 【2】MODEL Properties Dimension Radius 0.6096 m Element Plate element Material Modulus of elasticity E = 2.0658×10 5 …

[Abaqus][Midas][Midas2Abaqus] Midas Gen 教程12 – 单层网壳屈曲分析[Buckling analysis of a single layer reticulated dome]

  (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 give me a “thumbs up“ rating …

[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。 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 …

[优化][ABAQUS][Midas2Abaqus] Topology Optimization of a clamped-clamped beam by Abaqus [两端固支梁拓扑优化分析算例]

做个简单的优化小例子,后续有时间继续再做深入研究吧。这些都是拓扑优化届最初级最初级的小例子。很多书本都可以看到。 先从最简单的拓扑优化开始。后续陆续分享一些实际工程的优化案例,贴近工程的一些优化思路及软件开发应用案例。 【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 50%。 (1) Step 5 (2) Step 10 (3) Step 25 (4) Strain Energy 到25步后,结构基本稳定。可以看出优化后的结构的轮廓。 后续再继续深入研究。 注释 ( Comments ) …

Abaqus 出现“The area of XXX elements is zero, small, or negative”错误提示

Abaqus “提示单元面积为零,很小或者为负数” 错误,如下所示: The area of 2500 elements is zero, small, or negative. Check coordinates or node numbering, or modify the mesh seed. The elements have been identified in element …

[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. …

[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 = …

[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 …

[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 …

[Midas Gen][ABAQUS][Midas2Abaqus] Tut-3: Web-opening Detail Analysis [ Midas Gen tut-3: 腹板开洞梁截面详细分析]

  ( 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 give …

[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 …

[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 give …

[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 …

[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][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 …

[ABAQUS][Midas][FEM] Modal Analysis of Steel Box Beam [钢箱梁的模态分析]

Modal Analysis of Steel Box Beam [钢箱梁的模态分析] 【1】Midas Gen model 【2】Midas2Abaqus Model 【3】Abaqus Model 【4】Midas Gen Results (1) Mode 1 (2) Mode 2 (3) Mode 3 【5】Abaqus Results (1) Mode …

[FEM][Abaqus][Midas][分析] Midas2Abaqus模型转换工具

    (别急,马上就更新。。。。。)   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 give me …

[Tool] GMS Converter: 地震波通用格式转换器[ GMS Converter: General Formats Transformer for Earthquake Records]

[Tool] GMS Converter: 地震波通用格式转换器[ GMS Converter: General Formats Transformer for Earthquake Records].Support Format(支持的数据格式): PEER NGA Data Base, ABAQUS .inp, ETABS, SeismoSignal, YJK(盈建科),PKPM,SPECTR (Seismic Spectrum Analysis Program from www.jdcui.com), GML & GMS ( Ground Motion Management and Selection Program from www.jdcui.com ), PERFORM-3D, General Format, etc. Modification Function (功能): Scaling (缩放), Time step modification (时间步修正), Format Transform (通用格式变换), Truncation of Data(数据截取), etc.

【弹塑性分析笔记】 ABAQUS弹塑性楼板损伤结果解读

结构弹塑性分析可以较好地反映结构的薄弱部位。大震弹塑性分析和小震设计、中大震拟静力分析具有一定的可比性。如图是YJK的拟静力楼板应力分析结果及ABAQUS大震分析的损伤结果,弹塑性分析反映了结构的薄弱部位。