| 1. | Obstacles in production restoration and the related reasons in the area around the manwan dam
漫湾库区生产恢复障碍及其原因 |
| 2. | Secondly , the general situation and the inner observed systems of manwan are introduced
介绍了有关漫湾电站的工程概况以及内部观测系统。 |
| 3. | The results of application have showed that the used ann model is successful and effective in the hydrologic forecasting of the manwan reservoir
实际应用表明，使用该结构的模型在实际预报过程中取得了良好的效果。 |
| 4. | Manwan hydropower station , located in the middle stream of lancang river , is the largest state key construction project in yunnan province
摘要位于澜沧江中游河段的漫湾水电站是云南省至今投资最大的国家重点建设项目，电站建设和运行以来出现了一些社会、经济和生态环境问题。 |
| 5. | A three - tiered artificial neural network ( ann ) model with a feed - forward , back - propagation net - work structure was developed to forecast river flow in the manwan reservoir
摘要以云南省漫湾水电站历史径流状况为研究对象，运用三层前馈反向传播神经网络模型对径流进行中长期预报。 |
| 6. | The results of the calculation indicate that the modulus of elasticity of manwan dam has entered the attenuation moment after increase and the attenuation will gradually lessen
并对计算得到的结果进行分类讨论分析。计算结果表明弹性模量经过最初一年的增长后就进入衰减期，但是衰减趋势逐渐平缓。 |
| 7. | The observed information is fully analyzed , therefore we can confirm that the present running state of manwan hydroelectric power plant is elastic state . the built model is very important to carry through the later calculation
因此对观测值的处理方法进行了介绍，对漫湾电站的观测资料进行全面分析，确定出漫湾电站目前的运行状态是在弹性阶段，以及坝体与基岩之间的关系。 |
| 8. | Based on the theory of inverse analysis in mechanics and engineering and combined with the concrete gravity dam of manwan hydro power plant , a back - analysis model including the prior information was built and artificial neural network ( ann ) , according to which powerful nonlinear mapping ability , was used to predict the future physical parameters of the concrete
在此基础上，以大规模有限元分析软件ansys为平台，二次开发了漫湾水电站砼重力坝运行状态分析系统，根据大坝运行监测资料，对该电站大坝进行了砼力学参数反分析、砼力学参数预测分析以及大坝运行状态分析。 |
