Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave
Based on the rain-flow counting method, a new random numerical simulation method for evaluating dynamic response characteristics of a launch and recovery system is presented in this study. It takes a random irregular wave as an input, and the random distribution characteristics of the dynamic respon...
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doaj-13a84bddd29143ccb14cddac18ce7af22020-11-25T01:16:19ZengJVE InternationalJournal of Vibroengineering1392-87162538-84602016-12-011885390540510.21595/jve.2016.1695516955Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular waveYongping Jin0Buyan Wan1Deshun Liu2Youduo Peng3Zhihua Cai4Jianghui Dong5College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, ChinaHunan Province Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Technology, Hunan University of Science and Technology, Xiangtan, 411201, ChinaHunan Province Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Technology, Hunan University of Science and Technology, Xiangtan, 411201, ChinaHunan Province Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Technology, Hunan University of Science and Technology, Xiangtan, 411201, ChinaCollege of Electromechanical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, ChinaSchool of Natural and Built Environments, University of South Australia, Adelaide, SA 5095, AustraliaBased on the rain-flow counting method, a new random numerical simulation method for evaluating dynamic response characteristics of a launch and recovery system is presented in this study. It takes a random irregular wave as an input, and the random distribution characteristics of the dynamic responses of the launch and recovery system of a seafloor drill is analyzed by using the rain-flow counting method. The nonlinear coupling mechanisms among the movements of the ship, the umbilical cable, and the seafloor drill caused by random irregular wave are investigated. A dynamic model that considers the influence of the seawater resistance on the launch and recovery system of seafloor drill is established. Then, significant wave heights are used to produce excitation of the random irregular wave, and the corresponding dynamic random responses of the launch and recovery system are calculated and analyzed. At the same time, the movement of the seafloor drill and the tension of the umbilical cable are calculated and analyzed for the cases of seafloor drill at different water depths. This method provides a new tool for evaluating the dynamic response characteristics of launch and recovery system of other seafloor equipment under random irregular wave.https://www.jvejournals.com/article/16955seafloor drilllaunch and recovery systemrandom irregular waverain-flow counting methoddynamical characteristics |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yongping Jin Buyan Wan Deshun Liu Youduo Peng Zhihua Cai Jianghui Dong |
spellingShingle |
Yongping Jin Buyan Wan Deshun Liu Youduo Peng Zhihua Cai Jianghui Dong Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave Journal of Vibroengineering seafloor drill launch and recovery system random irregular wave rain-flow counting method dynamical characteristics |
author_facet |
Yongping Jin Buyan Wan Deshun Liu Youduo Peng Zhihua Cai Jianghui Dong |
author_sort |
Yongping Jin |
title |
Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
title_short |
Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
title_full |
Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
title_fullStr |
Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
title_full_unstemmed |
Numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
title_sort |
numerical simulation of dynamic response characteristics for launch and recovery system under random irregular wave |
publisher |
JVE International |
series |
Journal of Vibroengineering |
issn |
1392-8716 2538-8460 |
publishDate |
2016-12-01 |
description |
Based on the rain-flow counting method, a new random numerical simulation method for evaluating dynamic response characteristics of a launch and recovery system is presented in this study. It takes a random irregular wave as an input, and the random distribution characteristics of the dynamic responses of the launch and recovery system of a seafloor drill is analyzed by using the rain-flow counting method. The nonlinear coupling mechanisms among the movements of the ship, the umbilical cable, and the seafloor drill caused by random irregular wave are investigated. A dynamic model that considers the influence of the seawater resistance on the launch and recovery system of seafloor drill is established. Then, significant wave heights are used to produce excitation of the random irregular wave, and the corresponding dynamic random responses of the launch and recovery system are calculated and analyzed. At the same time, the movement of the seafloor drill and the tension of the umbilical cable are calculated and analyzed for the cases of seafloor drill at different water depths. This method provides a new tool for evaluating the dynamic response characteristics of launch and recovery system of other seafloor equipment under random irregular wave. |
topic |
seafloor drill launch and recovery system random irregular wave rain-flow counting method dynamical characteristics |
url |
https://www.jvejournals.com/article/16955 |
work_keys_str_mv |
AT yongpingjin numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave AT buyanwan numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave AT deshunliu numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave AT youduopeng numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave AT zhihuacai numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave AT jianghuidong numericalsimulationofdynamicresponsecharacteristicsforlaunchandrecoverysystemunderrandomirregularwave |
_version_ |
1725150178650882048 |