201 0-5-73用刚度法(stiffness method)建立运动方程。 根据达朗贝 尔原理, 考虑质体所产生的惯性力,就将原来的动力问题在形式上转化为静力问题。
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...解过程中切向矩阵的更新频率,可用的选项有: 程序自动选择(缺省设置) 全方法(Full) 修正法(Modified) 初刚度法(Initial-stiffness) 在非线性分析中,推荐使用 Full Newton-Raphson 选项.自适应下降选项可以加快瞬态 问题的收敛.
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Effective length is calculated with equivalent stiffness method and the stiffness of annular truss is identified. Based on advanced analysis method,high-rise steel frame elastic-plastic stability was assessed.
针对钢管混凝土造粒塔的结构特点,从屈曲分析对结构进行弹性稳定分析,用等效负刚度法确定出钢柱计算长度,同时求得环状加强桁架刚度需求,用高等分析对结构稳定性进行弹塑性稳定评估。
参考来源 - 化肥工业造粒塔结构稳定设计方法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
采用等刚度法确定换填基础模量;
The replacement foundation modulus was ensured by the method of equivalent-stiffness.
应力法和刚度法是判别土层液化的两种重要方法。
Stress and stiffness methods are two important ones used to identify liquefaction of soil.
实际计算表明,这个方法比变刚度法有更大的适用性。
Through calculations it is found that this method is more applicable than the variable stiffness method.
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