[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 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 …

[书]PERFORM-3D原理与实例 – 第5章 – 纤维截面模型

梁柱纤维截面模型的具体思路是将单元内部积分点处的截面离散为若干纤维,并假定截面满足平截面假定,由截面的曲率和中性轴的位置获得纤维应变,由纤维应变结合所采用的材料滞回本构关系获得纤维的应力,将纤维的应力沿截面积分可以获得截面的轴力和弯矩。纤维截面模型通过材料积分获得截面的内力-变形关系,与塑性铰模型直接给出截面内力-变形关系相比,在描述截面压弯耦合非线性行为方面有着更大的优势。本章将对PERFORM-3D[1,2]中的梁、柱纤维截面模型进行介绍。