20:30 LS—DYNA中通过SPH方法模拟刀具切割过程 月下客K 10690 高速破片打击陶瓷—钛复合装甲(三):自适应FEM-SPH与应变侵蚀 CumannNaSiog 14811 02:00 LS-DYNA实体Part转换为SPH Part LS_DYNA爆炸 8200 00:38 Adaptive FEM-SPH coupled 雷打不动O姆 ...
基金 国家自然科学基金面上项目(12272309)。 关键词 自适应FEM-SPH耦合算法 高速冲击 碎片云 破片冲击 adaptive FEM-SPH coupling algorithm high-velocity impact debris cloud fragment impact 分类号 O385 [理学—流体力学] 登录即可查看详情 爆炸与冲击 2024年 第6期 ;...
为了准确、高效地模拟高速冲击问题,提出了一种自适应轴对称有限元(FEM)-光滑粒子流体动力学(SPH)耦合算法.该算法在初始时刻全部采用FEM计算,在动态变形过程中自动将畸变单元转化为粒子,采用SPH计算.该算法采用一种新的耦合算法实现单元与粒子间的高精度耦合,并应用最小内角转化准则和单元分组转化方式实现单元向粒子的自...
Numerical Simulation Study on Ice–Water–Ship Interaction Based on FEM-SPH Adaptive Coupling AlgorithmTo address the impact of layered ice and seawater on polar vessels navigating in icy waters, this study employs a coupled finite element method (FEM) and smoothed particle hydrodynamics (SPH) ...
Dynamic response of a vessel with a preformed hole under inner explosion was simulated using the 3D adaptive FEM-SPH coupled algorithm considering the effe... 胡廷勋,胡德安 - 《振动与冲击》 被引量: 0发表: 2018年 基于SPH-FEM耦合算法的后混合磨料水射流冲击破岩数值模拟研究 采用SPH-FEM (smoothed...
摘要: Seakeeping and sloshing phenomena were coupled.FEM and SPH independent codes were coupled.Reasonable computational times were achieved.关键词:Seakeeping Sloshing Coupling SPH FEM LNG DOI: 10.1016/j.oceaneng.2016.07.003 被引量: 17 年份: 2016 ...
FEM-SPH adaptive coupling theory is used in this paper to establish a numerical model of perforation. An experiment is designed and conducted to simulate the physical effects of perforation. Physical model results indicate that the FEM-SPH coupled perforation numerical calculation method is more ...
On this basis, numerical simulation of a single-pick cutting seafloor massive sulfide based on the FEM-SPH adaptive coupling algorithm is carried out. Through the research in this paper, the regularity of the fragmentation process of polymetallic sulfides is obtained: firstly, the br...
Numerical Simulation Study on Ice–Water–Ship Interaction Based on FEM-SPH Adaptive Coupling AlgorithmTo address the impact of layered ice and seawater on polar vessels navigating in icy waters, this study employs a coupled finite element method (FEM) and smoothed particle hydrodynamics (SPH) ...
Systems and methods of computational technical analysis using a hybrid approach of finite element method (FEM) and adaptive smoothed particle hydrodynamics (SPH) are described. In one aspect, a computer aided engineering analysis is performed to simulate an impact event between structures. An FEM ...