An element decomposition method with variance strain stabilization

• 作 者: CUI XiangYang LIU PengWei LI G
• 机 构: StateKeyLaboratoryofAdvancedDesignandManufacturingforVehicleBody
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2015年7期
• 关键词: 不稳定性 分解方法 元素 方差 应变 三角形单元 线性插值函数 刚度矩阵 numerical methods element decomposition me
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant Nos. 11472101 and 61232014）, Postdoctoral Science Foun- dation of China （Grant No. 2013M531780） and the National Labo

An element decomposition method with variance strain stabilization(EDM-VSS) is proposed. In the present EDM-VSS, the quadrilateral element is first divided into four sub-triangular cells, and the local strains in sub-triangular cells are obtained using li