The purpose for seafarers' competence assessment is to evaluate the practical operational ability of the applicants and the weight of the index directly influences the accuracy of the assessment results. This paper t...The purpose for seafarers' competence assessment is to evaluate the practical operational ability of the applicants and the weight of the index directly influences the accuracy of the assessment results. This paper takes the assessment of route making as an example, makes use of the analytic hierarchy process in determining the weight of the indexes to provide theoretical reference for the perfection of seafarers' competence assessment.展开更多
The three-dimensional finite element method model with 20 degree sector of the ITER overall gravity support system was built by the ANSYS software. The modal analysis of the gravity support system was made and first t...The three-dimensional finite element method model with 20 degree sector of the ITER overall gravity support system was built by the ANSYS software. The modal analysis of the gravity support system was made and first ten natural frequencies and vibration modes of the gravity support system were calculated by using Block Lanczos method. The results of modal analysis on ITER represent that the stiffness of flexible plates has influenced greatly for the natural frequency of the system.展开更多
文摘The purpose for seafarers' competence assessment is to evaluate the practical operational ability of the applicants and the weight of the index directly influences the accuracy of the assessment results. This paper takes the assessment of route making as an example, makes use of the analytic hierarchy process in determining the weight of the indexes to provide theoretical reference for the perfection of seafarers' competence assessment.
文摘The three-dimensional finite element method model with 20 degree sector of the ITER overall gravity support system was built by the ANSYS software. The modal analysis of the gravity support system was made and first ten natural frequencies and vibration modes of the gravity support system were calculated by using Block Lanczos method. The results of modal analysis on ITER represent that the stiffness of flexible plates has influenced greatly for the natural frequency of the system.