首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >Accelerated Enveloping Distribution Sampling: Enabling Sampling of Multiple End States while Preserving Local Energy Minima
【24h】

Accelerated Enveloping Distribution Sampling: Enabling Sampling of Multiple End States while Preserving Local Energy Minima

机译:加速包络分布采样:在保留本地能量最小值时启用多个端状态的采样

获取原文
获取原文并翻译 | 示例
           

摘要

Enveloping distribution sampling (EDS) is an efficient approach to calculate multiple free-energy differences from a single molecular dynamics (MD) simulation. However, the construction of an appropriate reference-state Hamiltonian that samples all states efficiently is not straightforward. We propose a novel approach for the construction of the EDS reference-state Hamiltonian, related to a previously described procedure to smoothen energy landscapes. In contrast to previously suggested EDS approaches, our reference-state Hamiltonian preserves local energy minima of the combined end-states. Moreover, we propose an intuitive, robust and efficient parameter optimization scheme to tune EDS Hamiltonian parameters. We demonstrate the proposed method with established and novel test systems and conclude that our approach allows for the automated calculation of multiple free-energy differences from a single simulation. Accelerated EDS promises to be a robust and user-friendly method to compute free-energy differences based on solid statistical mechanics.
机译:包络分配采样(EDS)是计算与单个分子动力学(MD)模拟的多种自由能差的有效方法。然而,建造适当的参考状态哈密顿,以有效地对所有国家进行了解并不简单。我们提出了一种新颖的旨在建造EDS参考状态Hamiltonian的方法,与先前描述的程序进行平滑能量景观。与先前建议的EDS方法相比,我们的参考状态Hamiltonian保留了组合终结的局部能量最小值。此外,我们提出了一种直观,鲁棒,有效的参数优化方案来调整EDS Hamiltonian参数。我们展示了具有建立和新型测试系统的提出方法,并得出结论,我们的方法允许自动计算多种自由能量差异的单一模拟。加速EDS承诺是基于实心统计力学计算自由能差的稳健和用户友好的方法。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号