Solving Large-Scale Quadratic Eigenvalue Problems with Hamiltonian eigenstructure using a Structure-Preserving Krylov Subspace Method

Solving Large-Scale Quadratic Eigenvalue Problems with Hamiltonian eigenstructure using a Structure-Preserving Krylov Subspace Method
复制标题

使用结构保持 Krylov 子空间方法求解具有哈密顿特征结构的大规模二次特征值问题

DOI:
--
复制
发表时间:
2008
期刊:
影响因子:
--
通讯作者:
M. Stoll
M. Stoll
中科院分区:
--
文献类型:
--
作者:
P. Benner;H. Faßbender;M. Stoll

文献摘要

被引文献

相似文献

我们考虑具有哈密顿对称性的谱的二次特征值问题的数值解。我们建议解决这样的问题,通过应用Krylov-Schur型方法的基础上辛Lanczos过程的二次矩阵多项式的结构线性化。为了计算内部特征值,我们提出了几种具有Hamilton结构的移位和反转算子。我们的方法进行了测试,从结构分析和陀螺系统的几个例子。
We consider the numerical solution of quadratic eigenproblems with spectra that exhibit Hamiltonian symmetry. We propose to solve such problems by applying a Krylov-Schur-type method based on the symplectic Lanczos process to a structured linearization of the quadratic matrix polynomial. In order to compute interior eigenvalues, we propose several shift-and-invert operators with Hamiltonian structure. Our approach is tested for several examples from structural analysis and gyroscopic systems.