Some problems in the third generation wave models and a new approach to ocean wave modeling

• 作 者: 文圣常
• 机 构: Physical Oceanography Laboratory, State Education Commission, Institute of Physical Oceanography, Oc
• 出 处: Progress in Natural Science
• 发表日期: 2000年08期
• 关键词: ocean directional briefly emphasized usage convenience length have explained sub

The incompatibility, uncertainty and other difficulties involved in the computation of source terms in the third generation wave model are discussed. Among the effects of these difficulties, the lack of spectral reliability and the expected slow improvement of the model are emphasized. The newly developed model based on an adopted wind-wave directional spectrum is briefly reviewed. The justification of using a given spectrum to build up a model is discussed in full length. The new model and the third generation model are compared in terms of reliability, performance, feasibility of improvement and convenience of usage. The new model has shown its advantages in the comparison and its potential in practical applications.

The incompatibility, uncertainty and other difficulties involved in the computation of source terms in the third generation wave model are discussed. Among the effects of these difficulties, the lack of spectral reliability and the expected slow improvement of the model are emphasized. The newly developed model based on an adopted wind-wave directional spectrum is briefly reviewed. The justification of using a given spectrum to build up a model is discussed in full length. The new model and the third generation model are compared in terms of reliability, performance, feasibility of improvement and convenience of usage. The new model has shown its advantages in the comparison and its potential in practical applications.